<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple" />
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_htld_ShareRepurchasesAbstract_E48EBC33636B0216C03520AA27D140A2_label_en-US" xlink:label="lab_htld_ShareRepurchasesAbstract_B71C4841544F5264B6F198A52FF191CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Repurchases [Abstract]</link:label>
    <link:label id="lab_htld_ShareRepurchasesAbstract_E48EBC33636B0216C03520AA27D140A2_documentation_en-US" xlink:label="lab_htld_ShareRepurchasesAbstract_B71C4841544F5264B6F198A52FF191CC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Note 10.  Share Repurchases [Abstract]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_ShareRepurchasesAbstract" xlink:label="loc_htld_ShareRepurchasesAbstract_B71C4841544F5264B6F198A52FF191CC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_ShareRepurchasesAbstract_B71C4841544F5264B6F198A52FF191CC" xlink:to="lab_htld_ShareRepurchasesAbstract_B71C4841544F5264B6F198A52FF191CC" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_F3D2D05B079230699DC120AA27E18C26_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_2E07B893DBB75F8794469E91F4CEB09E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stockholders' Equity</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_F3D2D05B079230699DC120AA27E18C26_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_2E07B893DBB75F8794469E91F4CEB09E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Note Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_2E07B893DBB75F8794469E91F4CEB09E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_2E07B893DBB75F8794469E91F4CEB09E" xlink:to="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_2E07B893DBB75F8794469E91F4CEB09E" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxDisclosureAbstract_30DCD313B3118F04C26F6013C0DE7D49_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureAbstract_30DCD313B3118F04C26F6013C0DE7D49" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_30DCD313B3118F04C26F6013C0DE7D49" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_30DCD313B3118F04C26F6013C0DE7D49" xlink:to="lab_us-gaap_IncomeTaxDisclosureAbstract_30DCD313B3118F04C26F6013C0DE7D49" xlink:type="arc" />
    <link:label id="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_3A1CBE1EE6679C156B6E6013C0DEEEF1_terseLabel_en-US" xlink:label="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_3A1CBE1EE6679C156B6E6013C0DEEEF1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table]</link:label>
    <link:label id="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_3A1CBE1EE6679C156B6E6013C0DEEEF1_label_en-US" xlink:label="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_3A1CBE1EE6679C156B6E6013C0DEEEF1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable" xlink:label="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_3A1CBE1EE6679C156B6E6013C0DEEEF1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_3A1CBE1EE6679C156B6E6013C0DEEEF1" xlink:to="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_3A1CBE1EE6679C156B6E6013C0DEEEF1" xlink:type="arc" />
    <link:label id="lab_us-gaap_RangeAxis_FA0D2A86198F690183C46013C0DEFD3A_verboseLabel_en-US" xlink:label="lab_us-gaap_RangeAxis_FA0D2A86198F690183C46013C0DEFD3A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits [Axis]</link:label>
    <link:label id="lab_us-gaap_RangeAxis_FA0D2A86198F690183C46013C0DEFD3A_label_en-US" xlink:label="lab_us-gaap_RangeAxis_FA0D2A86198F690183C46013C0DEFD3A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_FA0D2A86198F690183C46013C0DEFD3A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RangeAxis_FA0D2A86198F690183C46013C0DEFD3A" xlink:to="lab_us-gaap_RangeAxis_FA0D2A86198F690183C46013C0DEFD3A" xlink:type="arc" />
    <link:label id="lab_us-gaap_RangeMember_D06BAA591306B8D11E916013C0DEF705_verboseLabel_en-US" xlink:label="lab_us-gaap_RangeMember_D06BAA591306B8D11E916013C0DEF705" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Portion of Tax Benefit Recorded Position [Domain]</link:label>
    <link:label id="lab_us-gaap_RangeMember_D06BAA591306B8D11E916013C0DEF705_label_en-US" xlink:label="lab_us-gaap_RangeMember_D06BAA591306B8D11E916013C0DEF705" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_D06BAA591306B8D11E916013C0DEF705" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RangeMember_D06BAA591306B8D11E916013C0DEF705" xlink:to="lab_us-gaap_RangeMember_D06BAA591306B8D11E916013C0DEF705" xlink:type="arc" />
    <link:label id="lab_us-gaap_MinimumMember_51AEB706A39A573694376013C0DEA671_terseLabel_en-US" xlink:label="lab_us-gaap_MinimumMember_51AEB706A39A573694376013C0DEA671" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum [Member]</link:label>
    <link:label id="lab_us-gaap_MinimumMember_51AEB706A39A573694376013C0DEA671_label_en-US" xlink:label="lab_us-gaap_MinimumMember_51AEB706A39A573694376013C0DEA671" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_51AEB706A39A573694376013C0DEA671" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinimumMember_51AEB706A39A573694376013C0DEA671" xlink:to="lab_us-gaap_MinimumMember_51AEB706A39A573694376013C0DEA671" xlink:type="arc" />
    <link:label id="lab_htld_UnrecognizedTaxBenefitsAxis_F93715248BBC21E0009F6013C0DEDDF9_terseLabel_en-US" xlink:label="lab_htld_UnrecognizedTaxBenefitsAxis_F93715248BBC21E0009F6013C0DEDDF9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits [Axis]</link:label>
    <link:label id="lab_htld_UnrecognizedTaxBenefitsAxis_F93715248BBC21E0009F6013C0DEDDF9_label_en-US" xlink:label="lab_htld_UnrecognizedTaxBenefitsAxis_F93715248BBC21E0009F6013C0DEDDF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits [Axis]</link:label>
    <link:label id="lab_htld_UnrecognizedTaxBenefitsAxis_F93715248BBC21E0009F6013C0DEDDF9_documentation_en-US" xlink:label="lab_htld_UnrecognizedTaxBenefitsAxis_F93715248BBC21E0009F6013C0DEDDF9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits [Axis]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_UnrecognizedTaxBenefitsAxis" xlink:label="loc_htld_UnrecognizedTaxBenefitsAxis_F93715248BBC21E0009F6013C0DEDDF9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_UnrecognizedTaxBenefitsAxis_F93715248BBC21E0009F6013C0DEDDF9" xlink:to="lab_htld_UnrecognizedTaxBenefitsAxis_F93715248BBC21E0009F6013C0DEDDF9" xlink:type="arc" />
    <link:label id="lab_htld_PortionOfTaxBenefitRecordedPositionDomain_4F31FE92485E95390F136013C0E8B9BB_terseLabel_en-US" xlink:label="lab_htld_PortionOfTaxBenefitRecordedPositionDomain_4F31FE92485E95390F136013C0E8B9BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Portion of Tax Benefit Recorded Position [Domain]</link:label>
    <link:label id="lab_htld_PortionOfTaxBenefitRecordedPositionDomain_4F31FE92485E95390F136013C0E8B9BB_label_en-US" xlink:label="lab_htld_PortionOfTaxBenefitRecordedPositionDomain_4F31FE92485E95390F136013C0E8B9BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Portion of Tax Benefit Recorded Position [Domain]</link:label>
    <link:label id="lab_htld_PortionOfTaxBenefitRecordedPositionDomain_4F31FE92485E95390F136013C0E8B9BB_documentation_en-US" xlink:label="lab_htld_PortionOfTaxBenefitRecordedPositionDomain_4F31FE92485E95390F136013C0E8B9BB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Portion of Tax Benefit Recorded Position [Domain]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_PortionOfTaxBenefitRecordedPositionDomain" xlink:label="loc_htld_PortionOfTaxBenefitRecordedPositionDomain_4F31FE92485E95390F136013C0E8B9BB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_PortionOfTaxBenefitRecordedPositionDomain_4F31FE92485E95390F136013C0E8B9BB" xlink:to="lab_htld_PortionOfTaxBenefitRecordedPositionDomain_4F31FE92485E95390F136013C0E8B9BB" xlink:type="arc" />
    <link:label id="lab_us-gaap_MaximumMember_4F92F97CD40D50F404EE6013C0E8EA16_terseLabel_en-US" xlink:label="lab_us-gaap_MaximumMember_4F92F97CD40D50F404EE6013C0E8EA16" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum [Member]</link:label>
    <link:label id="lab_us-gaap_MaximumMember_4F92F97CD40D50F404EE6013C0E8EA16_label_en-US" xlink:label="lab_us-gaap_MaximumMember_4F92F97CD40D50F404EE6013C0E8EA16" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_4F92F97CD40D50F404EE6013C0E8EA16" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MaximumMember_4F92F97CD40D50F404EE6013C0E8EA16" xlink:to="lab_us-gaap_MaximumMember_4F92F97CD40D50F404EE6013C0E8EA16" xlink:type="arc" />
    <link:label id="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_DEDA9D28B0E33506204C6013C0E88A03_terseLabel_en-US" xlink:label="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_DEDA9D28B0E33506204C6013C0E88A03" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]</link:label>
    <link:label id="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_DEDA9D28B0E33506204C6013C0E88A03_label_en-US" xlink:label="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_DEDA9D28B0E33506204C6013C0E88A03" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems" xlink:label="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_DEDA9D28B0E33506204C6013C0E88A03" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_DEDA9D28B0E33506204C6013C0E88A03" xlink:to="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_DEDA9D28B0E33506204C6013C0E88A03" xlink:type="arc" />
    <link:label id="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_CE1825E7AE34D60D58986013C0E8CEEA_terseLabel_en-US" xlink:label="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_CE1825E7AE34D60D58986013C0E8CEEA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Lower Bound</link:label>
    <link:label id="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_CE1825E7AE34D60D58986013C0E8CEEA_label_en-US" xlink:label="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_CE1825E7AE34D60D58986013C0E8CEEA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit" xlink:label="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_CE1825E7AE34D60D58986013C0E8CEEA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_CE1825E7AE34D60D58986013C0E8CEEA" xlink:to="lab_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_CE1825E7AE34D60D58986013C0E8CEEA" xlink:type="arc" />
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_FECECEC92BCCDD2FD39A6013C0E89353_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_FECECEC92BCCDD2FD39A6013C0E89353" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate, Percent</link:label>
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_FECECEC92BCCDD2FD39A6013C0E89353_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_FECECEC92BCCDD2FD39A6013C0E89353" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Percent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_FECECEC92BCCDD2FD39A6013C0E89353" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_FECECEC92BCCDD2FD39A6013C0E89353" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_FECECEC92BCCDD2FD39A6013C0E89353" xlink:type="arc" />
    <link:label id="lab_us-gaap_ValuationAllowanceAbstract_04F7800514292275BA116013C0E81ECD_label_en-US" xlink:label="lab_us-gaap_ValuationAllowanceAbstract_04F7800514292275BA116013C0E81ECD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Valuation Allowance [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowanceAbstract" xlink:label="loc_us-gaap_ValuationAllowanceAbstract_04F7800514292275BA116013C0E81ECD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ValuationAllowanceAbstract_04F7800514292275BA116013C0E81ECD" xlink:to="lab_us-gaap_ValuationAllowanceAbstract_04F7800514292275BA116013C0E81ECD" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredTaxAssetsValuationAllowance_98D39337E1FCC8E98D6B6013C0E8AD65_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance_98D39337E1FCC8E98D6B6013C0E8AD65" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Valuation Allowance, Amount</link:label>
    <link:label id="lab_us-gaap_DeferredTaxAssetsValuationAllowance_98D39337E1FCC8E98D6B6013C0E8AD65_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance_98D39337E1FCC8E98D6B6013C0E8AD65" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Valuation Allowance</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_98D39337E1FCC8E98D6B6013C0E8AD65" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsValuationAllowance_98D39337E1FCC8E98D6B6013C0E8AD65" xlink:to="lab_us-gaap_DeferredTaxAssetsValuationAllowance_98D39337E1FCC8E98D6B6013C0E8AD65" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxUncertaintiesAbstract_A0C4823183D6B608F3946013C0E89084_label_en-US" xlink:label="lab_us-gaap_IncomeTaxUncertaintiesAbstract_A0C4823183D6B608F3946013C0E89084" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Uncertainties [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxUncertaintiesAbstract" xlink:label="loc_us-gaap_IncomeTaxUncertaintiesAbstract_A0C4823183D6B608F3946013C0E89084" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxUncertaintiesAbstract_A0C4823183D6B608F3946013C0E89084" xlink:to="lab_us-gaap_IncomeTaxUncertaintiesAbstract_A0C4823183D6B608F3946013C0E89084" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_114D4330B6FF5321B4526013C0E814B7_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_114D4330B6FF5321B4526013C0E814B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits that Would Impact Effective Tax Rate</link:label>
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_114D4330B6FF5321B4526013C0E814B7_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_114D4330B6FF5321B4526013C0E814B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits that Would Impact Effective Tax Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_114D4330B6FF5321B4526013C0E814B7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_114D4330B6FF5321B4526013C0E814B7" xlink:to="lab_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_114D4330B6FF5321B4526013C0E814B7" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_7307D9CAA1EBDE6321D76013C0E8E41C_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_7307D9CAA1EBDE6321D76013C0E8E41C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits, Period Increase (Decrease)</link:label>
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_7307D9CAA1EBDE6321D76013C0E8E41C_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_7307D9CAA1EBDE6321D76013C0E8E41C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits, Period Increase (Decrease)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_7307D9CAA1EBDE6321D76013C0E8E41C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_7307D9CAA1EBDE6321D76013C0E8E41C" xlink:to="lab_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_7307D9CAA1EBDE6321D76013C0E8E41C" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_3A6D79B8784604275AF66013C0E8ABA1_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_3A6D79B8784604275AF66013C0E8ABA1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued</link:label>
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_3A6D79B8784604275AF66013C0E8ABA1_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_3A6D79B8784604275AF66013C0E8ABA1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_3A6D79B8784604275AF66013C0E8ABA1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_3A6D79B8784604275AF66013C0E8ABA1" xlink:to="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_3A6D79B8784604275AF66013C0E8ABA1" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_3C687796D90D026F1AFB6013C0E8AA77_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_3C687796D90D026F1AFB6013C0E8AA77" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense</link:label>
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_3C687796D90D026F1AFB6013C0E8AA77_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_3C687796D90D026F1AFB6013C0E8AA77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_3C687796D90D026F1AFB6013C0E8AA77" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_3C687796D90D026F1AFB6013C0E8AA77" xlink:to="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_3C687796D90D026F1AFB6013C0E8AA77" xlink:type="arc" />
    <link:label id="lab_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_6079EDF31FD0F60AD5396013C0E839A1_label_en-US" xlink:label="lab_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_6079EDF31FD0F60AD5396013C0E839A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:label="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_6079EDF31FD0F60AD5396013C0E839A1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_6079EDF31FD0F60AD5396013C0E839A1" xlink:to="lab_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_6079EDF31FD0F60AD5396013C0E839A1" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefits_CB57838F68B1F14E67A36013C0E847AC_periodStartLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefits_CB57838F68B1F14E67A36013C0E847AC" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance beginning of period</link:label>
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefits_CB57838F68B1F14E67A36013C0E847AC_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefits_CB57838F68B1F14E67A36013C0E847AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_CB57838F68B1F14E67A36013C0E847AC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecognizedTaxBenefits_CB57838F68B1F14E67A36013C0E847AC" xlink:to="lab_us-gaap_UnrecognizedTaxBenefits_CB57838F68B1F14E67A36013C0E847AC" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_3EC6EB812C3E25223E406013C0E87428_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_3EC6EB812C3E25223E406013C0E87428" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions based on tax positions related to current year</link:label>
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_3EC6EB812C3E25223E406013C0E87428_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_3EC6EB812C3E25223E406013C0E87428" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_3EC6EB812C3E25223E406013C0E87428" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_3EC6EB812C3E25223E406013C0E87428" xlink:to="lab_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_3EC6EB812C3E25223E406013C0E87428" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_3973CB87A2FC7605DDDB6013C0E88AB8_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_3973CB87A2FC7605DDDB6013C0E88AB8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions for tax positions of prior years</link:label>
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_3973CB87A2FC7605DDDB6013C0E88AB8_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_3973CB87A2FC7605DDDB6013C0E88AB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_3973CB87A2FC7605DDDB6013C0E88AB8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_3973CB87A2FC7605DDDB6013C0E88AB8" xlink:to="lab_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_3973CB87A2FC7605DDDB6013C0E88AB8" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_4D897AA42EE2037832476013C0E83B98_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_4D897AA42EE2037832476013C0E83B98" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Reductions for tax positions of prior years</link:label>
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_4D897AA42EE2037832476013C0E83B98_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_4D897AA42EE2037832476013C0E83B98" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_4D897AA42EE2037832476013C0E83B98" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_4D897AA42EE2037832476013C0E83B98" xlink:to="lab_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_4D897AA42EE2037832476013C0E83B98" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_EE812CFD3CF0E7FA8BBD6013C0E8973D_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_EE812CFD3CF0E7FA8BBD6013C0E8973D" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Reductions due to lapse of applicable statute of limitations</link:label>
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_EE812CFD3CF0E7FA8BBD6013C0E8973D_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_EE812CFD3CF0E7FA8BBD6013C0E8973D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_EE812CFD3CF0E7FA8BBD6013C0E8973D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_EE812CFD3CF0E7FA8BBD6013C0E8973D" xlink:to="lab_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_EE812CFD3CF0E7FA8BBD6013C0E8973D" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_899FF321C091EC1EB7956013C0E896E9_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_899FF321C091EC1EB7956013C0E896E9" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Settlements</link:label>
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_899FF321C091EC1EB7956013C0E896E9_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_899FF321C091EC1EB7956013C0E896E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_899FF321C091EC1EB7956013C0E896E9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_899FF321C091EC1EB7956013C0E896E9" xlink:to="lab_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_899FF321C091EC1EB7956013C0E896E9" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefits_E9229C7CC919E0B3DE536013C0E88080_periodEndLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefits_E9229C7CC919E0B3DE536013C0E88080" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance end of period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_E9229C7CC919E0B3DE536013C0E88080" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecognizedTaxBenefits_E9229C7CC919E0B3DE536013C0E88080" xlink:to="lab_us-gaap_UnrecognizedTaxBenefits_E9229C7CC919E0B3DE536013C0E88080" xlink:type="arc" />
    <link:label id="lab_us-gaap_LeasesAbstract_4B6B1CE13354C5984D636C08520F119D_label_en-US" xlink:label="lab_us-gaap_LeasesAbstract_4B6B1CE13354C5984D636C08520F119D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leases [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract_4B6B1CE13354C5984D636C08520F119D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeasesAbstract_4B6B1CE13354C5984D636C08520F119D" xlink:to="lab_us-gaap_LeasesAbstract_4B6B1CE13354C5984D636C08520F119D" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfOperatingLeasedAssetsTable_7CFC700EA381C1C2D2376C08520F75BB_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfOperatingLeasedAssetsTable_7CFC700EA381C1C2D2376C08520F75BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Operating Leased Assets [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfOperatingLeasedAssetsTable_7CFC700EA381C1C2D2376C08520F75BB_label_en-US" xlink:label="lab_us-gaap_ScheduleOfOperatingLeasedAssetsTable_7CFC700EA381C1C2D2376C08520F75BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Operating Leased Assets [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfOperatingLeasedAssetsTable" xlink:label="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_7CFC700EA381C1C2D2376C08520F75BB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_7CFC700EA381C1C2D2376C08520F75BB" xlink:to="lab_us-gaap_ScheduleOfOperatingLeasedAssetsTable_7CFC700EA381C1C2D2376C08520F75BB" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionAxis_ED9BC383C7D7E1C022C26C08520F1D1C_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAxis_ED9BC383C7D7E1C022C26C08520F1D1C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition [Axis]</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionAxis_ED9BC383C7D7E1C022C26C08520F1D1C_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAxis_ED9BC383C7D7E1C022C26C08520F1D1C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_ED9BC383C7D7E1C022C26C08520F1D1C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_ED9BC383C7D7E1C022C26C08520F1D1C" xlink:to="lab_us-gaap_BusinessAcquisitionAxis_ED9BC383C7D7E1C022C26C08520F1D1C" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionAcquireeDomain_35454D535E6DC322DFDF6C08520F151F_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAcquireeDomain_35454D535E6DC322DFDF6C08520F151F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition, Acquiree [Domain]</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionAcquireeDomain_35454D535E6DC322DFDF6C08520F151F_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAcquireeDomain_35454D535E6DC322DFDF6C08520F151F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Acquiree [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_35454D535E6DC322DFDF6C08520F151F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_35454D535E6DC322DFDF6C08520F151F" xlink:to="lab_us-gaap_BusinessAcquisitionAcquireeDomain_35454D535E6DC322DFDF6C08520F151F" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_1ACE59AFBAB85CDACE556C08520F84A9_terseLabel_en-US" xlink:label="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_1ACE59AFBAB85CDACE556C08520F84A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property Subject to or Available for Operating Lease [Axis]</link:label>
    <link:label id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_1ACE59AFBAB85CDACE556C08520F84A9_label_en-US" xlink:label="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_1ACE59AFBAB85CDACE556C08520F84A9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Subject to or Available for Operating Lease [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis" xlink:label="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_1ACE59AFBAB85CDACE556C08520F84A9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_1ACE59AFBAB85CDACE556C08520F84A9" xlink:to="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_1ACE59AFBAB85CDACE556C08520F84A9" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_7A93E05099B04EE62B076C085219A830_terseLabel_en-US" xlink:label="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_7A93E05099B04EE62B076C085219A830" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property Subject to or Available for Operating Lease [Domain]</link:label>
    <link:label id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_7A93E05099B04EE62B076C085219A830_label_en-US" xlink:label="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_7A93E05099B04EE62B076C085219A830" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Subject to or Available for Operating Lease [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain" xlink:label="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_7A93E05099B04EE62B076C085219A830" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_7A93E05099B04EE62B076C085219A830" xlink:to="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_7A93E05099B04EE62B076C085219A830" xlink:type="arc" />
    <link:label id="lab_htld_TerminalFacilitiesMember_EC128D591ABE97B164B76C085219A6ED_terseLabel_en-US" xlink:label="lab_htld_TerminalFacilitiesMember_EC128D591ABE97B164B76C085219A6ED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Terminal Facilities</link:label>
    <link:label id="lab_htld_TerminalFacilitiesMember_EC128D591ABE97B164B76C085219A6ED_label_en-US" xlink:label="lab_htld_TerminalFacilitiesMember_EC128D591ABE97B164B76C085219A6ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Terminal Facilities [Member]</link:label>
    <link:label id="lab_htld_TerminalFacilitiesMember_EC128D591ABE97B164B76C085219A6ED_documentation_en-US" xlink:label="lab_htld_TerminalFacilitiesMember_EC128D591ABE97B164B76C085219A6ED" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Terminal Facilities [Member]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_TerminalFacilitiesMember" xlink:label="loc_htld_TerminalFacilitiesMember_EC128D591ABE97B164B76C085219A6ED" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_TerminalFacilitiesMember_EC128D591ABE97B164B76C085219A6ED" xlink:to="lab_htld_TerminalFacilitiesMember_EC128D591ABE97B164B76C085219A6ED" xlink:type="arc" />
    <link:label id="lab_us-gaap_LeaseArrangementTypeAxis_F9A599BDFE8F493513166C085219910F_terseLabel_en-US" xlink:label="lab_us-gaap_LeaseArrangementTypeAxis_F9A599BDFE8F493513166C085219910F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Parties to Contractual Arrangement [Axis]</link:label>
    <link:label id="lab_us-gaap_LeaseArrangementTypeAxis_F9A599BDFE8F493513166C085219910F_label_en-US" xlink:label="lab_us-gaap_LeaseArrangementTypeAxis_F9A599BDFE8F493513166C085219910F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease Arrangement, Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LeaseArrangementTypeAxis" xlink:label="loc_us-gaap_LeaseArrangementTypeAxis_F9A599BDFE8F493513166C085219910F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseArrangementTypeAxis_F9A599BDFE8F493513166C085219910F" xlink:to="lab_us-gaap_LeaseArrangementTypeAxis_F9A599BDFE8F493513166C085219910F" xlink:type="arc" />
    <link:label id="lab_us-gaap_LeaseArrangementTypeDomain_C845491E5BCFA20239006C085219F93F_terseLabel_en-US" xlink:label="lab_us-gaap_LeaseArrangementTypeDomain_C845491E5BCFA20239006C085219F93F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Parties to Contractual Arrangement [Domain]</link:label>
    <link:label id="lab_us-gaap_LeaseArrangementTypeDomain_C845491E5BCFA20239006C085219F93F_label_en-US" xlink:label="lab_us-gaap_LeaseArrangementTypeDomain_C845491E5BCFA20239006C085219F93F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease Arrangement, Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LeaseArrangementTypeDomain" xlink:label="loc_us-gaap_LeaseArrangementTypeDomain_C845491E5BCFA20239006C085219F93F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseArrangementTypeDomain_C845491E5BCFA20239006C085219F93F" xlink:to="lab_us-gaap_LeaseArrangementTypeDomain_C845491E5BCFA20239006C085219F93F" xlink:type="arc" />
    <link:label id="lab_htld_RelatedPartyMember_F6E4E63436CB1DE7B8EE6C0852199D58_terseLabel_en-US" xlink:label="lab_htld_RelatedPartyMember_F6E4E63436CB1DE7B8EE6C0852199D58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party</link:label>
    <link:label id="lab_htld_RelatedPartyMember_F6E4E63436CB1DE7B8EE6C0852199D58_label_en-US" xlink:label="lab_htld_RelatedPartyMember_F6E4E63436CB1DE7B8EE6C0852199D58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party [Member]</link:label>
    <link:label id="lab_htld_RelatedPartyMember_F6E4E63436CB1DE7B8EE6C0852199D58_documentation_en-US" xlink:label="lab_htld_RelatedPartyMember_F6E4E63436CB1DE7B8EE6C0852199D58" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Related Party [Member]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_RelatedPartyMember" xlink:label="loc_htld_RelatedPartyMember_F6E4E63436CB1DE7B8EE6C0852199D58" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_RelatedPartyMember_F6E4E63436CB1DE7B8EE6C0852199D58" xlink:to="lab_htld_RelatedPartyMember_F6E4E63436CB1DE7B8EE6C0852199D58" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasedAssetsLineItems_30D7C9835B1C30161CBA6C0852193C3A_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasedAssetsLineItems_30D7C9835B1C30161CBA6C0852193C3A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Leased Assets [Line Items]</link:label>
    <link:label id="lab_us-gaap_OperatingLeasedAssetsLineItems_30D7C9835B1C30161CBA6C0852193C3A_label_en-US" xlink:label="lab_us-gaap_OperatingLeasedAssetsLineItems_30D7C9835B1C30161CBA6C0852193C3A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leased Assets [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasedAssetsLineItems" xlink:label="loc_us-gaap_OperatingLeasedAssetsLineItems_30D7C9835B1C30161CBA6C0852193C3A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_30D7C9835B1C30161CBA6C0852193C3A" xlink:to="lab_us-gaap_OperatingLeasedAssetsLineItems_30D7C9835B1C30161CBA6C0852193C3A" xlink:type="arc" />
    <link:label id="lab_us-gaap_LeaseAndRentalExpense_A750A0FA93D8BCBDAF006C0852193C0B_terseLabel_en-US" xlink:label="lab_us-gaap_LeaseAndRentalExpense_A750A0FA93D8BCBDAF006C0852193C0B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Leases, Rent Expense</link:label>
    <link:label id="lab_us-gaap_LeaseAndRentalExpense_A750A0FA93D8BCBDAF006C0852193C0B_label_en-US" xlink:label="lab_us-gaap_LeaseAndRentalExpense_A750A0FA93D8BCBDAF006C0852193C0B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Rent Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="loc_us-gaap_LeaseAndRentalExpense_A750A0FA93D8BCBDAF006C0852193C0B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseAndRentalExpense_A750A0FA93D8BCBDAF006C0852193C0B" xlink:to="lab_us-gaap_LeaseAndRentalExpense_A750A0FA93D8BCBDAF006C0852193C0B" xlink:type="arc" />
    <link:label id="lab_htld_Relatedpartypaymentforterminalpurchase_7385167FD6B149B0F2A06C085219EC5E_terseLabel_en-US" xlink:label="lab_htld_Relatedpartypaymentforterminalpurchase_7385167FD6B149B0F2A06C085219EC5E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">related party payment for terminal purchase</link:label>
    <link:label id="lab_htld_Relatedpartypaymentforterminalpurchase_7385167FD6B149B0F2A06C085219EC5E_label_en-US" xlink:label="lab_htld_Relatedpartypaymentforterminalpurchase_7385167FD6B149B0F2A06C085219EC5E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">related party payment for terminal purchase</link:label>
    <link:label id="lab_htld_Relatedpartypaymentforterminalpurchase_7385167FD6B149B0F2A06C085219EC5E_documentation_en-US" xlink:label="lab_htld_Relatedpartypaymentforterminalpurchase_7385167FD6B149B0F2A06C085219EC5E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">related party payment for terminal purchase</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_Relatedpartypaymentforterminalpurchase" xlink:label="loc_htld_Relatedpartypaymentforterminalpurchase_7385167FD6B149B0F2A06C085219EC5E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_Relatedpartypaymentforterminalpurchase_7385167FD6B149B0F2A06C085219EC5E" xlink:to="lab_htld_Relatedpartypaymentforterminalpurchase_7385167FD6B149B0F2A06C085219EC5E" xlink:type="arc" />
    <link:label id="lab_htld_StockBasedCompensationAbstract_F222ED3EF531832ECF826BCD9BD7048E_label_en-US" xlink:label="lab_htld_StockBasedCompensationAbstract_F222ED3EF531832ECF826BCD9BD7048E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock-Based Compensation [Abstract]</link:label>
    <link:label id="lab_htld_StockBasedCompensationAbstract_F222ED3EF531832ECF826BCD9BD7048E_documentation_en-US" xlink:label="lab_htld_StockBasedCompensationAbstract_F222ED3EF531832ECF826BCD9BD7048E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stock-Based Compensation [Abstract]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_StockBasedCompensationAbstract" xlink:label="loc_htld_StockBasedCompensationAbstract_F222ED3EF531832ECF826BCD9BD7048E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_StockBasedCompensationAbstract_F222ED3EF531832ECF826BCD9BD7048E" xlink:to="lab_htld_StockBasedCompensationAbstract_F222ED3EF531832ECF826BCD9BD7048E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F5B96AEE5E5693594AE76BCD9BD73287_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F5B96AEE5E5693594AE76BCD9BD73287" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F5B96AEE5E5693594AE76BCD9BD73287_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F5B96AEE5E5693594AE76BCD9BD73287" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F5B96AEE5E5693594AE76BCD9BD73287" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F5B96AEE5E5693594AE76BCD9BD73287" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F5B96AEE5E5693594AE76BCD9BD73287" xlink:type="arc" />
    <link:label id="lab_us-gaap_RangeAxis_88CCD6B85C914FA3587C6BCD9BD71F71_terseLabel_en-US" xlink:label="lab_us-gaap_RangeAxis_88CCD6B85C914FA3587C6BCD9BD71F71" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercise Price Range [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_88CCD6B85C914FA3587C6BCD9BD71F71" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RangeAxis_88CCD6B85C914FA3587C6BCD9BD71F71" xlink:to="lab_us-gaap_RangeAxis_88CCD6B85C914FA3587C6BCD9BD71F71" xlink:type="arc" />
    <link:label id="lab_us-gaap_RangeMember_093FFEB144C31716454C6BCD9BD75151_terseLabel_en-US" xlink:label="lab_us-gaap_RangeMember_093FFEB144C31716454C6BCD9BD75151" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_093FFEB144C31716454C6BCD9BD75151" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RangeMember_093FFEB144C31716454C6BCD9BD75151" xlink:to="lab_us-gaap_RangeMember_093FFEB144C31716454C6BCD9BD75151" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_19EAD9551F964831E6D86BCD9BD701BF_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_19EAD9551F964831E6D86BCD9BD701BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_19EAD9551F964831E6D86BCD9BD701BF_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_19EAD9551F964831E6D86BCD9BD701BF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_19EAD9551F964831E6D86BCD9BD701BF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_19EAD9551F964831E6D86BCD9BD701BF" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_19EAD9551F964831E6D86BCD9BD701BF" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_F69BB543E2EF19B6ABB36BCD9BD7CD7E_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_F69BB543E2EF19B6ABB36BCD9BD7CD7E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Annual Vesting Percentage</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_F69BB543E2EF19B6ABB36BCD9BD7CD7E_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_F69BB543E2EF19B6ABB36BCD9BD7CD7E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_F69BB543E2EF19B6ABB36BCD9BD7CD7E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_F69BB543E2EF19B6ABB36BCD9BD7CD7E" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_F69BB543E2EF19B6ABB36BCD9BD7CD7E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_8D5E54AFD6842B1715946BCD9BD78D9A_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_8D5E54AFD6842B1715946BCD9BD78D9A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Exercise Price of Stock Awards</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_8D5E54AFD6842B1715946BCD9BD78D9A_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_8D5E54AFD6842B1715946BCD9BD78D9A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_8D5E54AFD6842B1715946BCD9BD78D9A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_8D5E54AFD6842B1715946BCD9BD78D9A" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_8D5E54AFD6842B1715946BCD9BD78D9A" xlink:type="arc" />
    <link:label id="lab_htld_Weightedaveragefairvaluepriceofstockawardslower_6B734B9627819831A7F86BCD9BD74476_terseLabel_en-US" xlink:label="lab_htld_Weightedaveragefairvaluepriceofstockawardslower_6B734B9627819831A7F86BCD9BD74476" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average fair value price of stock awards lower</link:label>
    <link:label id="lab_htld_Weightedaveragefairvaluepriceofstockawardslower_6B734B9627819831A7F86BCD9BD74476_label_en-US" xlink:label="lab_htld_Weightedaveragefairvaluepriceofstockawardslower_6B734B9627819831A7F86BCD9BD74476" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">weighted average fair value price of stock awards lower</link:label>
    <link:label id="lab_htld_Weightedaveragefairvaluepriceofstockawardslower_6B734B9627819831A7F86BCD9BD74476_documentation_en-US" xlink:label="lab_htld_Weightedaveragefairvaluepriceofstockawardslower_6B734B9627819831A7F86BCD9BD74476" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">weighted average fair value price of stock awards higher</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_Weightedaveragefairvaluepriceofstockawardslower" xlink:label="loc_htld_Weightedaveragefairvaluepriceofstockawardslower_6B734B9627819831A7F86BCD9BD74476" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_Weightedaveragefairvaluepriceofstockawardslower_6B734B9627819831A7F86BCD9BD74476" xlink:to="lab_htld_Weightedaveragefairvaluepriceofstockawardslower_6B734B9627819831A7F86BCD9BD74476" xlink:type="arc" />
    <link:label id="lab_htld_Weightedaveragefairvaluepriceofstockawardsupper_56E4F57FEF5C438774316BCD9BD752CC_terseLabel_en-US" xlink:label="lab_htld_Weightedaveragefairvaluepriceofstockawardsupper_56E4F57FEF5C438774316BCD9BD752CC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">weighted average fair value price of stock awards upper</link:label>
    <link:label id="lab_htld_Weightedaveragefairvaluepriceofstockawardsupper_56E4F57FEF5C438774316BCD9BD752CC_label_en-US" xlink:label="lab_htld_Weightedaveragefairvaluepriceofstockawardsupper_56E4F57FEF5C438774316BCD9BD752CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">weighted average fair value price of stock awards upper</link:label>
    <link:label id="lab_htld_Weightedaveragefairvaluepriceofstockawardsupper_56E4F57FEF5C438774316BCD9BD752CC_documentation_en-US" xlink:label="lab_htld_Weightedaveragefairvaluepriceofstockawardsupper_56E4F57FEF5C438774316BCD9BD752CC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">weighted average fair value price of stock awards</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_Weightedaveragefairvaluepriceofstockawardsupper" xlink:label="loc_htld_Weightedaveragefairvaluepriceofstockawardsupper_56E4F57FEF5C438774316BCD9BD752CC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_Weightedaveragefairvaluepriceofstockawardsupper_56E4F57FEF5C438774316BCD9BD752CC" xlink:to="lab_htld_Weightedaveragefairvaluepriceofstockawardsupper_56E4F57FEF5C438774316BCD9BD752CC" xlink:type="arc" />
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_722DE3EA02CD5B9CF9326BCD9BD7AE47_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_722DE3EA02CD5B9CF9326BCD9BD7AE47" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_722DE3EA02CD5B9CF9326BCD9BD7AE47_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_722DE3EA02CD5B9CF9326BCD9BD7AE47" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_722DE3EA02CD5B9CF9326BCD9BD7AE47" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_722DE3EA02CD5B9CF9326BCD9BD7AE47" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_722DE3EA02CD5B9CF9326BCD9BD7AE47" xlink:type="arc" />
    <link:label id="lab_htld_RestrictedStockSharesAuthorized_F502B59F5A543E2E810D6BCD9BD75946_terseLabel_en-US" xlink:label="lab_htld_RestrictedStockSharesAuthorized_F502B59F5A543E2E810D6BCD9BD75946" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted Stock Shares Authorized</link:label>
    <link:label id="lab_htld_RestrictedStockSharesAuthorized_F502B59F5A543E2E810D6BCD9BD75946_label_en-US" xlink:label="lab_htld_RestrictedStockSharesAuthorized_F502B59F5A543E2E810D6BCD9BD75946" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Stock Shares Authorized</link:label>
    <link:label id="lab_htld_RestrictedStockSharesAuthorized_F502B59F5A543E2E810D6BCD9BD75946_documentation_en-US" xlink:label="lab_htld_RestrictedStockSharesAuthorized_F502B59F5A543E2E810D6BCD9BD75946" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Restricted Stock Shares Authorized</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_RestrictedStockSharesAuthorized" xlink:label="loc_htld_RestrictedStockSharesAuthorized_F502B59F5A543E2E810D6BCD9BD75946" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_RestrictedStockSharesAuthorized_F502B59F5A543E2E810D6BCD9BD75946" xlink:to="lab_htld_RestrictedStockSharesAuthorized_F502B59F5A543E2E810D6BCD9BD75946" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_21871AA0667D75D033946BCD9BD73910_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_21871AA0667D75D033946BCD9BD73910" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_21871AA0667D75D033946BCD9BD73910_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_21871AA0667D75D033946BCD9BD73910" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_21871AA0667D75D033946BCD9BD73910" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_21871AA0667D75D033946BCD9BD73910" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_21871AA0667D75D033946BCD9BD73910" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensation_EB82FD67E099FC80C2196BCD9BD76941_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_EB82FD67E099FC80C2196BCD9BD76941" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock-based Compensation</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensation_EB82FD67E099FC80C2196BCD9BD76941_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_EB82FD67E099FC80C2196BCD9BD76941" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_EB82FD67E099FC80C2196BCD9BD76941" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensation_EB82FD67E099FC80C2196BCD9BD76941" xlink:to="lab_us-gaap_ShareBasedCompensation_EB82FD67E099FC80C2196BCD9BD76941" xlink:type="arc" />
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_EC28B54F4F6A685670E66BCD9BD7BA2E_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_EC28B54F4F6A685670E66BCD9BD7BA2E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_EC28B54F4F6A685670E66BCD9BD7BA2E_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_EC28B54F4F6A685670E66BCD9BD7BA2E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_EC28B54F4F6A685670E66BCD9BD7BA2E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_EC28B54F4F6A685670E66BCD9BD7BA2E" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_EC28B54F4F6A685670E66BCD9BD7BA2E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_80D643441FDAC6B062CE6BCD9BD7D678_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_80D643441FDAC6B062CE6BCD9BD7D678" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_80D643441FDAC6B062CE6BCD9BD7D678_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_80D643441FDAC6B062CE6BCD9BD7D678" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_80D643441FDAC6B062CE6BCD9BD7D678" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_80D643441FDAC6B062CE6BCD9BD7D678" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_80D643441FDAC6B062CE6BCD9BD7D678" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_59792CA8719C673C35EC6BCD9BD76F24_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_59792CA8719C673C35EC6BCD9BD76F24" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Unvested at beginning of year, Number of Restricted Stock Awards (in shares)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_59792CA8719C673C35EC6BCD9BD76F24_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_59792CA8719C673C35EC6BCD9BD76F24" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_59792CA8719C673C35EC6BCD9BD76F24" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_59792CA8719C673C35EC6BCD9BD76F24" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_59792CA8719C673C35EC6BCD9BD76F24" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_6DD374AEF5A038D4A81A6BCD9BD70CA0_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_6DD374AEF5A038D4A81A6BCD9BD70CA0" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Unvested at beginning of year, Weighted Average Grant Date Fair Value (in dollars)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_6DD374AEF5A038D4A81A6BCD9BD70CA0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_6DD374AEF5A038D4A81A6BCD9BD70CA0" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_6DD374AEF5A038D4A81A6BCD9BD70CA0" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_AD7350574264F0324EC26BCD9BD7DD72_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_AD7350574264F0324EC26BCD9BD7DD72" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangements by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_AD7350574264F0324EC26BCD9BD7DD72_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_AD7350574264F0324EC26BCD9BD7DD72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_AD7350574264F0324EC26BCD9BD7DD72" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_AD7350574264F0324EC26BCD9BD7DD72" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_AD7350574264F0324EC26BCD9BD7DD72" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_E954870D5F251C0881446BCD9BD7F21F_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_E954870D5F251C0881446BCD9BD7F21F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_E954870D5F251C0881446BCD9BD7F21F_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_E954870D5F251C0881446BCD9BD7F21F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_E954870D5F251C0881446BCD9BD7F21F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_E954870D5F251C0881446BCD9BD7F21F" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_E954870D5F251C0881446BCD9BD7F21F" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_C479C7A724CFA1ABC8DB6BCD9BD7444B_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_C479C7A724CFA1ABC8DB6BCD9BD7444B" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_C479C7A724CFA1ABC8DB6BCD9BD7444B_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_C479C7A724CFA1ABC8DB6BCD9BD7444B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_C479C7A724CFA1ABC8DB6BCD9BD7444B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_C479C7A724CFA1ABC8DB6BCD9BD7444B" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_C479C7A724CFA1ABC8DB6BCD9BD7444B" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_2FAF6A229D0FF24FED496BCD9BD77B41_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_2FAF6A229D0FF24FED496BCD9BD77B41" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_2FAF6A229D0FF24FED496BCD9BD77B41_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_2FAF6A229D0FF24FED496BCD9BD77B41" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_2FAF6A229D0FF24FED496BCD9BD77B41" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_2FAF6A229D0FF24FED496BCD9BD77B41" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_2FAF6A229D0FF24FED496BCD9BD77B41" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_DCB3E46789CDC0122EC86BCD9BD72BA8_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_DCB3E46789CDC0122EC86BCD9BD72BA8" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_DCB3E46789CDC0122EC86BCD9BD72BA8_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_DCB3E46789CDC0122EC86BCD9BD72BA8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_DCB3E46789CDC0122EC86BCD9BD72BA8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_DCB3E46789CDC0122EC86BCD9BD72BA8" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_DCB3E46789CDC0122EC86BCD9BD72BA8" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_C8916DA65B46114A614C6BCD9BD7E5AD_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_C8916DA65B46114A614C6BCD9BD7E5AD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_C8916DA65B46114A614C6BCD9BD7E5AD_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_C8916DA65B46114A614C6BCD9BD7E5AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_C8916DA65B46114A614C6BCD9BD7E5AD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_C8916DA65B46114A614C6BCD9BD7E5AD" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_C8916DA65B46114A614C6BCD9BD7E5AD" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_A71A737B9EBDE99EF4AF6BCD9BD7879B_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_A71A737B9EBDE99EF4AF6BCD9BD7879B" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Outstanding (unvested) at end of year, Number of Restricted Stock Awards (in shares)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_A71A737B9EBDE99EF4AF6BCD9BD7879B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_A71A737B9EBDE99EF4AF6BCD9BD7879B" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_A71A737B9EBDE99EF4AF6BCD9BD7879B" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_ED2640EACF76154490606BCD9BD75B06_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_ED2640EACF76154490606BCD9BD75B06" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Outstanding (unvested) at end of year, Weighted Average Grant Date Fair Value (in dollars)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_ED2640EACF76154490606BCD9BD75B06" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_ED2640EACF76154490606BCD9BD75B06" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_ED2640EACF76154490606BCD9BD75B06" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_96D2AFD3ED7A13EBD520F49AE48C302C_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_6F169D41BA955A38BE00F0F0A6C7520A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_6F169D41BA955A38BE00F0F0A6C7520A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_6F169D41BA955A38BE00F0F0A6C7520A" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_6F169D41BA955A38BE00F0F0A6C7520A" xlink:type="arc" />
    <link:label id="lab_htld_IncreaseDecreaseinIntangibleAssetsNonCurrent_AB7820691AB2DFD7534EF49AE48CDB32_terseLabel_en-US" xlink:label="lab_htld_IncreaseDecreaseinIntangibleAssetsNonCurrent_C2432EC4703B55D1B59E52E17B2D2B3B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change In Gross Amount of Identifiable Intangible Assets</link:label>
    <link:label id="lab_htld_IncreaseDecreaseinIntangibleAssetsNonCurrent_AB7820691AB2DFD7534EF49AE48CDB32_label_en-US" xlink:label="lab_htld_IncreaseDecreaseinIntangibleAssetsNonCurrent_C2432EC4703B55D1B59E52E17B2D2B3B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Intangible Assets, Non-Current</link:label>
    <link:label id="lab_htld_IncreaseDecreaseinIntangibleAssetsNonCurrent_AB7820691AB2DFD7534EF49AE48CDB32_documentation_en-US" xlink:label="lab_htld_IncreaseDecreaseinIntangibleAssetsNonCurrent_C2432EC4703B55D1B59E52E17B2D2B3B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Intangible Assets, Non-Current</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_IncreaseDecreaseinIntangibleAssetsNonCurrent" xlink:label="loc_htld_IncreaseDecreaseinIntangibleAssetsNonCurrent_C2432EC4703B55D1B59E52E17B2D2B3B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_IncreaseDecreaseinIntangibleAssetsNonCurrent_C2432EC4703B55D1B59E52E17B2D2B3B" xlink:to="lab_htld_IncreaseDecreaseinIntangibleAssetsNonCurrent_C2432EC4703B55D1B59E52E17B2D2B3B" xlink:type="arc" />
    <link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_6DC147CD062F12750D2BF49AE48C794B_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_9B86B9CB7CD950BD96D0B8DF20321612" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense</link:label>
    <link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_6DC147CD062F12750D2BF49AE48C794B_label_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_9B86B9CB7CD950BD96D0B8DF20321612" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of Intangible Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_9B86B9CB7CD950BD96D0B8DF20321612" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfIntangibleAssets_9B86B9CB7CD950BD96D0B8DF20321612" xlink:to="lab_us-gaap_AmortizationOfIntangibleAssets_9B86B9CB7CD950BD96D0B8DF20321612" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_5511B90E8C65E548ED0CF49AE48C2C4A_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_1B5FC3526D9D524EB73618461023D162" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_5511B90E8C65E548ED0CF49AE48C2C4A_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_1B5FC3526D9D524EB73618461023D162" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_1B5FC3526D9D524EB73618461023D162" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_1B5FC3526D9D524EB73618461023D162" xlink:to="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_1B5FC3526D9D524EB73618461023D162" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_86D8B2A319AF604E8807F49AE48C834D_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DB19DF816BF15AB0A9680F2E84AFB036" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_86D8B2A319AF604E8807F49AE48C834D_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DB19DF816BF15AB0A9680F2E84AFB036" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DB19DF816BF15AB0A9680F2E84AFB036" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DB19DF816BF15AB0A9680F2E84AFB036" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DB19DF816BF15AB0A9680F2E84AFB036" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_0CE1D1FA5657AB52D9DDF49AE48CB636_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C871A65F48275EFE9EE4C687548247B3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_0CE1D1FA5657AB52D9DDF49AE48CB636_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C871A65F48275EFE9EE4C687548247B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C871A65F48275EFE9EE4C687548247B3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C871A65F48275EFE9EE4C687548247B3" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C871A65F48275EFE9EE4C687548247B3" xlink:type="arc" />
    <link:label id="lab_us-gaap_CustomerRelationshipsMember_B535C18CDB85D9E87611F49AE48CE17E_terseLabel_en-US" xlink:label="lab_us-gaap_CustomerRelationshipsMember_70F82F96344D5950B7F6B607C2E3D8CF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer Relationships</link:label>
    <link:label id="lab_us-gaap_CustomerRelationshipsMember_B535C18CDB85D9E87611F49AE48CE17E_label_en-US" xlink:label="lab_us-gaap_CustomerRelationshipsMember_70F82F96344D5950B7F6B607C2E3D8CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer Relationships [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_70F82F96344D5950B7F6B607C2E3D8CF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CustomerRelationshipsMember_70F82F96344D5950B7F6B607C2E3D8CF" xlink:to="lab_us-gaap_CustomerRelationshipsMember_70F82F96344D5950B7F6B607C2E3D8CF" xlink:type="arc" />
    <link:label id="lab_us-gaap_TradeNamesMember_F29625DF546E796D3391F49AE48CD871_terseLabel_en-US" xlink:label="lab_us-gaap_TradeNamesMember_0652DEB24E1453D99830214C608F5099" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tradename</link:label>
    <link:label id="lab_us-gaap_TradeNamesMember_F29625DF546E796D3391F49AE48CD871_label_en-US" xlink:label="lab_us-gaap_TradeNamesMember_0652DEB24E1453D99830214C608F5099" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade Names [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_0652DEB24E1453D99830214C608F5099" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TradeNamesMember_0652DEB24E1453D99830214C608F5099" xlink:to="lab_us-gaap_TradeNamesMember_0652DEB24E1453D99830214C608F5099" xlink:type="arc" />
    <link:label id="lab_us-gaap_NoncompeteAgreementsMember_9CE625A309009B6EFC46F49AE48CBFDB_terseLabel_en-US" xlink:label="lab_us-gaap_NoncompeteAgreementsMember_FCFA82675AAE55EAA906C59C126E91DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Covenants Not to Compete</link:label>
    <link:label id="lab_us-gaap_NoncompeteAgreementsMember_9CE625A309009B6EFC46F49AE48CBFDB_label_en-US" xlink:label="lab_us-gaap_NoncompeteAgreementsMember_FCFA82675AAE55EAA906C59C126E91DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncompete Agreements [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NoncompeteAgreementsMember" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_FCFA82675AAE55EAA906C59C126E91DE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoncompeteAgreementsMember_FCFA82675AAE55EAA906C59C126E91DE" xlink:to="lab_us-gaap_NoncompeteAgreementsMember_FCFA82675AAE55EAA906C59C126E91DE" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateMember_E33C3546E48EFCBF6448F49AE48CFB37_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateMember_705BD63F11B25A6CB0030E640F76CAB3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real Estate Options</link:label>
    <link:label id="lab_us-gaap_RealEstateMember_E33C3546E48EFCBF6448F49AE48CFB37_label_en-US" xlink:label="lab_us-gaap_RealEstateMember_705BD63F11B25A6CB0030E640F76CAB3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RealEstateMember" xlink:label="loc_us-gaap_RealEstateMember_705BD63F11B25A6CB0030E640F76CAB3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateMember_705BD63F11B25A6CB0030E640F76CAB3" xlink:to="lab_us-gaap_RealEstateMember_705BD63F11B25A6CB0030E640F76CAB3" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_09BE5892A251EF667A93F49AE48CBBB2_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_2363ADB23C765B2DA2998F8B16312053" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets [Line Items]</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_09BE5892A251EF667A93F49AE48CBBB2_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_2363ADB23C765B2DA2998F8B16312053" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_2363ADB23C765B2DA2998F8B16312053" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_2363ADB23C765B2DA2998F8B16312053" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_2363ADB23C765B2DA2998F8B16312053" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_DD9FB803678B9E5B9737F49AE48C4244_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_5BDCFE9AF985583CA4B7689C492D54F4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization period (years)</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_DD9FB803678B9E5B9737F49AE48C4244_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_5BDCFE9AF985583CA4B7689C492D54F4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Useful Life</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_5BDCFE9AF985583CA4B7689C492D54F4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_5BDCFE9AF985583CA4B7689C492D54F4" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_5BDCFE9AF985583CA4B7689C492D54F4" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_91BFCAF87824D915083EF49AE48C86D3_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_82E2EB7F72D65BFB86471C5A7142182E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross Amount</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_91BFCAF87824D915083EF49AE48C86D3_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_82E2EB7F72D65BFB86471C5A7142182E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_82E2EB7F72D65BFB86471C5A7142182E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsGross_82E2EB7F72D65BFB86471C5A7142182E" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsGross_82E2EB7F72D65BFB86471C5A7142182E" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_06572717E1613406F0F7F49AE48C641D_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_67DF3DEA3E4F53A6B0DB49EC6868D070" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Amortization</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_06572717E1613406F0F7F49AE48C641D_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_67DF3DEA3E4F53A6B0DB49EC6868D070" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Accumulated Amortization</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_67DF3DEA3E4F53A6B0DB49EC6868D070" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_67DF3DEA3E4F53A6B0DB49EC6868D070" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_67DF3DEA3E4F53A6B0DB49EC6868D070" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_4DEC0E4F142EC0DC9C44F49AE48CC754_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_BBA8749E620A5B909F5DB3D76F2EB532" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Intangible Assets</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_4DEC0E4F142EC0DC9C44F49AE48CC754_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_BBA8749E620A5B909F5DB3D76F2EB532" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_BBA8749E620A5B909F5DB3D76F2EB532" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_BBA8749E620A5B909F5DB3D76F2EB532" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsNet_BBA8749E620A5B909F5DB3D76F2EB532" xlink:type="arc" />
    <link:label id="lab_htld_LineofCreditLongTermDebtAbstract_4F160C6E32AAEBACBC1A20AA282FF7DE_label_en-US" xlink:label="lab_htld_LineofCreditLongTermDebtAbstract_0433888F074F50B1885855B0B37175AA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit, Long-Term Debt [Abstract]</link:label>
    <link:label id="lab_htld_LineofCreditLongTermDebtAbstract_4F160C6E32AAEBACBC1A20AA282FF7DE_documentation_en-US" xlink:label="lab_htld_LineofCreditLongTermDebtAbstract_0433888F074F50B1885855B0B37175AA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line of Credit, Long-Term Debt [Abstract]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_LineofCreditLongTermDebtAbstract" xlink:label="loc_htld_LineofCreditLongTermDebtAbstract_0433888F074F50B1885855B0B37175AA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_LineofCreditLongTermDebtAbstract_0433888F074F50B1885855B0B37175AA" xlink:to="lab_htld_LineofCreditLongTermDebtAbstract_0433888F074F50B1885855B0B37175AA" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtTextBlock_396EAFE803AA63AD07B320AA282FBAFB_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtTextBlock_292EB48A4D0152609651F49FD7A59521" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-Term Debt</link:label>
    <link:label id="lab_us-gaap_LongTermDebtTextBlock_396EAFE803AA63AD07B320AA282FBAFB_label_en-US" xlink:label="lab_us-gaap_LongTermDebtTextBlock_292EB48A4D0152609651F49FD7A59521" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtTextBlock" xlink:label="loc_us-gaap_LongTermDebtTextBlock_292EB48A4D0152609651F49FD7A59521" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtTextBlock_292EB48A4D0152609651F49FD7A59521" xlink:to="lab_us-gaap_LongTermDebtTextBlock_292EB48A4D0152609651F49FD7A59521" xlink:type="arc" />
    <link:label id="lab_htld_SegmentInformationAbstract_D910AC687371B9C09AF820AA282F2AB5_label_en-US" xlink:label="lab_htld_SegmentInformationAbstract_0F8A7F543F765DDEB10FD1FFABD4B942" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Information [Abstract]</link:label>
    <link:label id="lab_htld_SegmentInformationAbstract_D910AC687371B9C09AF820AA282F2AB5_documentation_en-US" xlink:label="lab_htld_SegmentInformationAbstract_0F8A7F543F765DDEB10FD1FFABD4B942" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Segment Information [Abstract]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_SegmentInformationAbstract" xlink:label="loc_htld_SegmentInformationAbstract_0F8A7F543F765DDEB10FD1FFABD4B942" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_SegmentInformationAbstract_0F8A7F543F765DDEB10FD1FFABD4B942" xlink:to="lab_htld_SegmentInformationAbstract_0F8A7F543F765DDEB10FD1FFABD4B942" xlink:type="arc" />
    <link:label id="lab_htld_SegmentInformationTextBlock_D6D598754CABB98DC21820AA282F8E9F_terseLabel_en-US" xlink:label="lab_htld_SegmentInformationTextBlock_A3111EFDBFD2509CA207FD68E7322C00" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment Information</link:label>
    <link:label id="lab_htld_SegmentInformationTextBlock_D6D598754CABB98DC21820AA282F8E9F_label_en-US" xlink:label="lab_htld_SegmentInformationTextBlock_A3111EFDBFD2509CA207FD68E7322C00" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Information [Text Block]</link:label>
    <link:label id="lab_htld_SegmentInformationTextBlock_D6D598754CABB98DC21820AA282F8E9F_documentation_en-US" xlink:label="lab_htld_SegmentInformationTextBlock_A3111EFDBFD2509CA207FD68E7322C00" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Segment Information</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_SegmentInformationTextBlock" xlink:label="loc_htld_SegmentInformationTextBlock_A3111EFDBFD2509CA207FD68E7322C00" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_SegmentInformationTextBlock_A3111EFDBFD2509CA207FD68E7322C00" xlink:to="lab_htld_SegmentInformationTextBlock_A3111EFDBFD2509CA207FD68E7322C00" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_A675C1FD5C13707AC38720AA281F753A_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_8B27B0B8E76E505D8892E03A013B65C8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_A675C1FD5C13707AC38720AA281F753A_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_8B27B0B8E76E505D8892E03A013B65C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_8B27B0B8E76E505D8892E03A013B65C8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_8B27B0B8E76E505D8892E03A013B65C8" xlink:to="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_8B27B0B8E76E505D8892E03A013B65C8" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfGoodwillTextBlock_9469FAD7BFD5C340F00020AA281FF937_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTextBlock_0F8D4B47C653546BAC69E5E48CDDE34F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Goodwill [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfGoodwillTextBlock_9469FAD7BFD5C340F00020AA281FF937_label_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTextBlock_0F8D4B47C653546BAC69E5E48CDDE34F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Goodwill [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfGoodwillTextBlock" xlink:label="loc_us-gaap_ScheduleOfGoodwillTextBlock_0F8D4B47C653546BAC69E5E48CDDE34F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfGoodwillTextBlock_0F8D4B47C653546BAC69E5E48CDDE34F" xlink:to="lab_us-gaap_ScheduleOfGoodwillTextBlock_0F8D4B47C653546BAC69E5E48CDDE34F" xlink:type="arc" />
    <link:label id="lab_htld_RelatedPartyAbstract_6BBD0B42A6D2ED84F51120AA284E1E33_label_en-US" xlink:label="lab_htld_RelatedPartyAbstract_190B3346CC025630BC85D27C72A17672" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party [Abstract]</link:label>
    <link:label id="lab_htld_RelatedPartyAbstract_6BBD0B42A6D2ED84F51120AA284E1E33_documentation_en-US" xlink:label="lab_htld_RelatedPartyAbstract_190B3346CC025630BC85D27C72A17672" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Related Party [Abstract]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_RelatedPartyAbstract" xlink:label="loc_htld_RelatedPartyAbstract_190B3346CC025630BC85D27C72A17672" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_RelatedPartyAbstract_190B3346CC025630BC85D27C72A17672" xlink:to="lab_htld_RelatedPartyAbstract_190B3346CC025630BC85D27C72A17672" xlink:type="arc" />
    <link:label id="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_E06CEC5EAAF705A6378D20AA284E44BE_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_5CE5F492E61B562D9639E3F4FE8F9EF9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party</link:label>
    <link:label id="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_E06CEC5EAAF705A6378D20AA284E44BE_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_5CE5F492E61B562D9639E3F4FE8F9EF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transactions Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:label="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_5CE5F492E61B562D9639E3F4FE8F9EF9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_5CE5F492E61B562D9639E3F4FE8F9EF9" xlink:to="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_5CE5F492E61B562D9639E3F4FE8F9EF9" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquityAbstract_008637613044C5B5C0B220AA282FC803_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_6B6782C24F8D5C39912B74629FB9B22D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Attributable to Parent [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_6B6782C24F8D5C39912B74629FB9B22D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityAbstract_6B6782C24F8D5C39912B74629FB9B22D" xlink:to="lab_us-gaap_StockholdersEquityAbstract_6B6782C24F8D5C39912B74629FB9B22D" xlink:type="arc" />
    <link:label id="lab_us-gaap_DividendsCommonStockCash_A9C85E358D9E1C2995EC20AA282F4900_terseLabel_en-US" xlink:label="lab_us-gaap_DividendsCommonStockCash_33E667E003EF524F95934F94E46582C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends, Common Stock, Cash</link:label>
    <link:label id="lab_us-gaap_DividendsCommonStockCash_A9C85E358D9E1C2995EC20AA282F4900_label_en-US" xlink:label="lab_us-gaap_DividendsCommonStockCash_33E667E003EF524F95934F94E46582C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends, Common Stock, Cash</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="loc_us-gaap_DividendsCommonStockCash_33E667E003EF524F95934F94E46582C0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsCommonStockCash_33E667E003EF524F95934F94E46582C0" xlink:to="lab_us-gaap_DividendsCommonStockCash_33E667E003EF524F95934F94E46582C0" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOfStockholdersEquityAbstract_2BC9027DC1EC5F7FEDA3600C2DC4256C_label_en-US" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract_2BC9027DC1EC5F7FEDA3600C2DC4256C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Stockholders' Equity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_2BC9027DC1EC5F7FEDA3600C2DC4256C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_2BC9027DC1EC5F7FEDA3600C2DC4256C" xlink:to="lab_us-gaap_StatementOfStockholdersEquityAbstract_2BC9027DC1EC5F7FEDA3600C2DC4256C" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementTable_CD656A880F28A6256337600C2DC490DD_terseLabel_en-US" xlink:label="lab_us-gaap_StatementTable_CD656A880F28A6256337600C2DC490DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Table]</link:label>
    <link:label id="lab_us-gaap_StatementTable_CD656A880F28A6256337600C2DC490DD_label_en-US" xlink:label="lab_us-gaap_StatementTable_CD656A880F28A6256337600C2DC490DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_CD656A880F28A6256337600C2DC490DD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementTable_CD656A880F28A6256337600C2DC490DD" xlink:to="lab_us-gaap_StatementTable_CD656A880F28A6256337600C2DC490DD" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementEquityComponentsAxis_A82BCAE050F84CA3AAD9600C2DC4AC26_label_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis_A82BCAE050F84CA3AAD9600C2DC4AC26" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Components [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_A82BCAE050F84CA3AAD9600C2DC4AC26" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_A82BCAE050F84CA3AAD9600C2DC4AC26" xlink:to="lab_us-gaap_StatementEquityComponentsAxis_A82BCAE050F84CA3AAD9600C2DC4AC26" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityComponentDomain_0A1D8C58B6BB62295381600C2DC49B9C_terseLabel_en-US" xlink:label="lab_us-gaap_EquityComponentDomain_0A1D8C58B6BB62295381600C2DC49B9C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Component [Domain]</link:label>
    <link:label id="lab_us-gaap_EquityComponentDomain_0A1D8C58B6BB62295381600C2DC49B9C_label_en-US" xlink:label="lab_us-gaap_EquityComponentDomain_0A1D8C58B6BB62295381600C2DC49B9C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Component [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_0A1D8C58B6BB62295381600C2DC49B9C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityComponentDomain_0A1D8C58B6BB62295381600C2DC49B9C" xlink:to="lab_us-gaap_EquityComponentDomain_0A1D8C58B6BB62295381600C2DC49B9C" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockMember_6910124D02621D06180A600C2DC49DE9_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockMember_6910124D02621D06180A600C2DC49DE9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital Stock, Common</link:label>
    <link:label id="lab_us-gaap_CommonStockMember_6910124D02621D06180A600C2DC49DE9_label_en-US" xlink:label="lab_us-gaap_CommonStockMember_6910124D02621D06180A600C2DC49DE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_6910124D02621D06180A600C2DC49DE9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockMember_6910124D02621D06180A600C2DC49DE9" xlink:to="lab_us-gaap_CommonStockMember_6910124D02621D06180A600C2DC49DE9" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalMember_AB376A361C0C59D3BBFC600C2DC41E4A_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember_AB376A361C0C59D3BBFC600C2DC41E4A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional Paid-in Capital</link:label>
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalMember_AB376A361C0C59D3BBFC600C2DC41E4A_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember_AB376A361C0C59D3BBFC600C2DC41E4A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Paid-in Capital [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_AB376A361C0C59D3BBFC600C2DC41E4A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalMember_AB376A361C0C59D3BBFC600C2DC41E4A" xlink:to="lab_us-gaap_AdditionalPaidInCapitalMember_AB376A361C0C59D3BBFC600C2DC41E4A" xlink:type="arc" />
    <link:label id="lab_us-gaap_RetainedEarningsMember_CC70F6A8C2EEC2BE91E5600C2DC48C2A_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember_CC70F6A8C2EEC2BE91E5600C2DC48C2A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained Earnings</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsMember_CC70F6A8C2EEC2BE91E5600C2DC48C2A_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember_CC70F6A8C2EEC2BE91E5600C2DC48C2A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_CC70F6A8C2EEC2BE91E5600C2DC48C2A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsMember_CC70F6A8C2EEC2BE91E5600C2DC48C2A" xlink:to="lab_us-gaap_RetainedEarningsMember_CC70F6A8C2EEC2BE91E5600C2DC48C2A" xlink:type="arc" />
    <link:label id="lab_us-gaap_TreasuryStockMember_6E8E39A1EA964B87B4D2600C2DC46584_terseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockMember_6E8E39A1EA964B87B4D2600C2DC46584" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Treasury Stock</link:label>
    <link:label id="lab_us-gaap_TreasuryStockMember_6E8E39A1EA964B87B4D2600C2DC46584_label_en-US" xlink:label="lab_us-gaap_TreasuryStockMember_6E8E39A1EA964B87B4D2600C2DC46584" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_6E8E39A1EA964B87B4D2600C2DC46584" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockMember_6E8E39A1EA964B87B4D2600C2DC46584" xlink:to="lab_us-gaap_TreasuryStockMember_6E8E39A1EA964B87B4D2600C2DC46584" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementLineItems_AFEF3CEF5F9C9C225644600C2DC4D39A_terseLabel_en-US" xlink:label="lab_us-gaap_StatementLineItems_AFEF3CEF5F9C9C225644600C2DC4D39A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:label id="lab_us-gaap_StatementLineItems_AFEF3CEF5F9C9C225644600C2DC4D39A_label_en-US" xlink:label="lab_us-gaap_StatementLineItems_AFEF3CEF5F9C9C225644600C2DC4D39A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_AFEF3CEF5F9C9C225644600C2DC4D39A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementLineItems_AFEF3CEF5F9C9C225644600C2DC4D39A" xlink:to="lab_us-gaap_StatementLineItems_AFEF3CEF5F9C9C225644600C2DC4D39A" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquity_EE2D0C0D57277949E945600C2DC4D766_periodStartLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_EE2D0C0D57277949E945600C2DC4D766" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance</link:label>
    <link:label id="lab_us-gaap_StockholdersEquity_EE2D0C0D57277949E945600C2DC4D766_label_en-US" xlink:label="lab_us-gaap_StockholdersEquity_EE2D0C0D57277949E945600C2DC4D766" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_EE2D0C0D57277949E945600C2DC4D766" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity_EE2D0C0D57277949E945600C2DC4D766" xlink:to="lab_us-gaap_StockholdersEquity_EE2D0C0D57277949E945600C2DC4D766" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLoss_15AB707CE2ACB90240AD600C2DC4B430_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_15AB707CE2ACB90240AD600C2DC4B430" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income</link:label>
    <link:label id="lab_us-gaap_NetIncomeLoss_15AB707CE2ACB90240AD600C2DC4B430_label_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_15AB707CE2ACB90240AD600C2DC4B430" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_15AB707CE2ACB90240AD600C2DC4B430" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss_15AB707CE2ACB90240AD600C2DC4B430" xlink:to="lab_us-gaap_NetIncomeLoss_15AB707CE2ACB90240AD600C2DC4B430" xlink:type="arc" />
    <link:label id="lab_us-gaap_DividendsCommonStock_F9432F7FE69C42515824600C2DC46D45_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DividendsCommonStock_F9432F7FE69C42515824600C2DC46D45" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Dividends on common stock, $0.04 per share</link:label>
    <link:label id="lab_us-gaap_DividendsCommonStock_F9432F7FE69C42515824600C2DC46D45_label_en-US" xlink:label="lab_us-gaap_DividendsCommonStock_F9432F7FE69C42515824600C2DC46D45" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends, Common Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DividendsCommonStock" xlink:label="loc_us-gaap_DividendsCommonStock_F9432F7FE69C42515824600C2DC46D45" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsCommonStock_F9432F7FE69C42515824600C2DC46D45" xlink:to="lab_us-gaap_DividendsCommonStock_F9432F7FE69C42515824600C2DC46D45" xlink:type="arc" />
    <link:label id="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_699230143CE8DD343112600C2E00D2F8_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_699230143CE8DD343112600C2E00D2F8" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Treasury Stock, Value, Acquired, Cost Method</link:label>
    <link:label id="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_699230143CE8DD343112600C2E00D2F8_label_en-US" xlink:label="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_699230143CE8DD343112600C2E00D2F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Stock, Value, Acquired, Cost Method</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_699230143CE8DD343112600C2E00D2F8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_699230143CE8DD343112600C2E00D2F8" xlink:to="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_699230143CE8DD343112600C2E00D2F8" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_D24EC9A781698EAD827E600C2DC4A51B_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_D24EC9A781698EAD827E600C2DC4A51B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock-based compensation, net of tax</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_D24EC9A781698EAD827E600C2DC4A51B_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_D24EC9A781698EAD827E600C2DC4A51B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_D24EC9A781698EAD827E600C2DC4A51B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_D24EC9A781698EAD827E600C2DC4A51B" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_D24EC9A781698EAD827E600C2DC4A51B" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquity_85A2E88F6C93E2409929600C2DC4BF36_periodEndLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_85A2E88F6C93E2409929600C2DC4BF36" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_85A2E88F6C93E2409929600C2DC4BF36" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity_85A2E88F6C93E2409929600C2DC4BF36" xlink:to="lab_us-gaap_StockholdersEquity_85A2E88F6C93E2409929600C2DC4BF36" xlink:type="arc" />
    <link:label id="lab_htld_UseofEstimatesAbstract_1555FDACBD97C7B21A8A20AA27E1A1C8_label_en-US" xlink:label="lab_htld_UseofEstimatesAbstract_4583FE731B4457C3B33A7B3368A97606" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Use of Estimates [Abstract]</link:label>
    <link:label id="lab_htld_UseofEstimatesAbstract_1555FDACBD97C7B21A8A20AA27E1A1C8_documentation_en-US" xlink:label="lab_htld_UseofEstimatesAbstract_4583FE731B4457C3B33A7B3368A97606" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Use of Estimates [Abstract]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_UseofEstimatesAbstract" xlink:label="loc_htld_UseofEstimatesAbstract_4583FE731B4457C3B33A7B3368A97606" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_UseofEstimatesAbstract_4583FE731B4457C3B33A7B3368A97606" xlink:to="lab_htld_UseofEstimatesAbstract_4583FE731B4457C3B33A7B3368A97606" xlink:type="arc" />
    <link:label id="lab_us-gaap_SignificantAccountingPoliciesTextBlock_6A7BCCE2A741993A3F5420AA27E18E2D_terseLabel_en-US" xlink:label="lab_us-gaap_SignificantAccountingPoliciesTextBlock_D4EFD6D5FFE55627BAF2A0265544652B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Use of Estimates</link:label>
    <link:label id="lab_us-gaap_SignificantAccountingPoliciesTextBlock_6A7BCCE2A741993A3F5420AA27E18E2D_label_en-US" xlink:label="lab_us-gaap_SignificantAccountingPoliciesTextBlock_D4EFD6D5FFE55627BAF2A0265544652B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Accounting Policies [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_SignificantAccountingPoliciesTextBlock_D4EFD6D5FFE55627BAF2A0265544652B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SignificantAccountingPoliciesTextBlock_D4EFD6D5FFE55627BAF2A0265544652B" xlink:to="lab_us-gaap_SignificantAccountingPoliciesTextBlock_D4EFD6D5FFE55627BAF2A0265544652B" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementScenarioAxis_C921D91C50AF31DFD54420AA282FE672_terseLabel_en-US" xlink:label="lab_us-gaap_StatementScenarioAxis_308DE337E36A53C9866C5732E0F730BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Scenario [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementScenarioAxis_C921D91C50AF31DFD54420AA282FE672_label_en-US" xlink:label="lab_us-gaap_StatementScenarioAxis_308DE337E36A53C9866C5732E0F730BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Scenario [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_308DE337E36A53C9866C5732E0F730BA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementScenarioAxis_308DE337E36A53C9866C5732E0F730BA" xlink:to="lab_us-gaap_StatementScenarioAxis_308DE337E36A53C9866C5732E0F730BA" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScenarioUnspecifiedDomain_1A0B3D4265CF219D758720AA282F9BE8_terseLabel_en-US" xlink:label="lab_us-gaap_ScenarioUnspecifiedDomain_DB5214F8278B502EA2217B6A649907BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Scenario, Unspecified [Domain]</link:label>
    <link:label id="lab_us-gaap_ScenarioUnspecifiedDomain_1A0B3D4265CF219D758720AA282F9BE8_label_en-US" xlink:label="lab_us-gaap_ScenarioUnspecifiedDomain_DB5214F8278B502EA2217B6A649907BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Scenario, Unspecified [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_DB5214F8278B502EA2217B6A649907BE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_DB5214F8278B502EA2217B6A649907BE" xlink:to="lab_us-gaap_ScenarioUnspecifiedDomain_DB5214F8278B502EA2217B6A649907BE" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockDividendsPerShareDeclared_E69C189A198C0A47C97120AA282F623C_verboseLabel_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared_6F806FA3EC655CBEBC1A41A28161739D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Dividends declared per share</link:label>
    <link:label id="lab_us-gaap_CommonStockDividendsPerShareDeclared_E69C189A198C0A47C97120AA282F623C_label_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared_6F806FA3EC655CBEBC1A41A28161739D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Dividends, Per Share, Declared</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_6F806FA3EC655CBEBC1A41A28161739D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockDividendsPerShareDeclared_6F806FA3EC655CBEBC1A41A28161739D" xlink:to="lab_us-gaap_CommonStockDividendsPerShareDeclared_6F806FA3EC655CBEBC1A41A28161739D" xlink:type="arc" />
    <link:label id="lab_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_3E49D18A30957E7F152470024251668E_label_en-US" xlink:label="lab_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_3E49D18A30957E7F152470024251668E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidated Balance Sheets Parentheticals [Abstract]</link:label>
    <link:label id="lab_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_3E49D18A30957E7F152470024251668E_documentation_en-US" xlink:label="lab_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_3E49D18A30957E7F152470024251668E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consolidated Balance Sheets Parentheticals [Abstract]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_ConsolidatedBalanceSheetsParentheticalsAbstract" xlink:label="loc_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_3E49D18A30957E7F152470024251668E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_3E49D18A30957E7F152470024251668E" xlink:to="lab_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_3E49D18A30957E7F152470024251668E" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_B48FC1B7B2B4A1A5368C70024251E06E_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_B48FC1B7B2B4A1A5368C70024251E06E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred Stock, Par or Stated Value Per Share</link:label>
    <link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_B48FC1B7B2B4A1A5368C70024251E06E_label_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_B48FC1B7B2B4A1A5368C70024251E06E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Par or Stated Value Per Share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_B48FC1B7B2B4A1A5368C70024251E06E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockParOrStatedValuePerShare_B48FC1B7B2B4A1A5368C70024251E06E" xlink:to="lab_us-gaap_PreferredStockParOrStatedValuePerShare_B48FC1B7B2B4A1A5368C70024251E06E" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockSharesAuthorized_398E256D5A47915AA3A2700242511AE1_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_398E256D5A47915AA3A2700242511AE1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Authorized</link:label>
    <link:label id="lab_us-gaap_PreferredStockSharesAuthorized_398E256D5A47915AA3A2700242511AE1_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_398E256D5A47915AA3A2700242511AE1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Authorized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_398E256D5A47915AA3A2700242511AE1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesAuthorized_398E256D5A47915AA3A2700242511AE1" xlink:to="lab_us-gaap_PreferredStockSharesAuthorized_398E256D5A47915AA3A2700242511AE1" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockSharesIssued_E4139A26EC0008E9512C700242512D6B_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued_E4139A26EC0008E9512C700242512D6B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Issued</link:label>
    <link:label id="lab_us-gaap_PreferredStockSharesIssued_E4139A26EC0008E9512C700242512D6B_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued_E4139A26EC0008E9512C700242512D6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_E4139A26EC0008E9512C700242512D6B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesIssued_E4139A26EC0008E9512C700242512D6B" xlink:to="lab_us-gaap_PreferredStockSharesIssued_E4139A26EC0008E9512C700242512D6B" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_A4B051DF7CDEDF7A710970024251317D_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_A4B051DF7CDEDF7A710970024251317D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Stock, Par or Stated Value Per Share</link:label>
    <link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_A4B051DF7CDEDF7A710970024251317D_label_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_A4B051DF7CDEDF7A710970024251317D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Par or Stated Value Per Share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_A4B051DF7CDEDF7A710970024251317D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockParOrStatedValuePerShare_A4B051DF7CDEDF7A710970024251317D" xlink:to="lab_us-gaap_CommonStockParOrStatedValuePerShare_A4B051DF7CDEDF7A710970024251317D" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockSharesAuthorized_11FC4E4ED5615DCD3EE670024251FCF2_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_11FC4E4ED5615DCD3EE670024251FCF2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Stock, Shares Authorized</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesAuthorized_11FC4E4ED5615DCD3EE670024251FCF2_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_11FC4E4ED5615DCD3EE670024251FCF2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares Authorized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_11FC4E4ED5615DCD3EE670024251FCF2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesAuthorized_11FC4E4ED5615DCD3EE670024251FCF2" xlink:to="lab_us-gaap_CommonStockSharesAuthorized_11FC4E4ED5615DCD3EE670024251FCF2" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockSharesIssued_FD9F457639C86B2F916D70024251C742_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_FD9F457639C86B2F916D70024251C742" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Issued</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesIssued_FD9F457639C86B2F916D70024251C742_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_FD9F457639C86B2F916D70024251C742" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_FD9F457639C86B2F916D70024251C742" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesIssued_FD9F457639C86B2F916D70024251C742" xlink:to="lab_us-gaap_CommonStockSharesIssued_FD9F457639C86B2F916D70024251C742" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockSharesOutstanding_5595C4AADEC96DBA1D71700242510CCA_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_5595C4AADEC96DBA1D71700242510CCA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Outstanding</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesOutstanding_5595C4AADEC96DBA1D71700242510CCA_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_5595C4AADEC96DBA1D71700242510CCA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Outstanding</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_5595C4AADEC96DBA1D71700242510CCA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesOutstanding_5595C4AADEC96DBA1D71700242510CCA" xlink:to="lab_us-gaap_CommonStockSharesOutstanding_5595C4AADEC96DBA1D71700242510CCA" xlink:type="arc" />
    <link:label id="lab_us-gaap_TreasuryStockShares_9C5D1A6296F94FC72181700242513292_terseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockShares_9C5D1A6296F94FC72181700242513292" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Treasury Stock, Shares</link:label>
    <link:label id="lab_us-gaap_TreasuryStockShares_9C5D1A6296F94FC72181700242513292_label_en-US" xlink:label="lab_us-gaap_TreasuryStockShares_9C5D1A6296F94FC72181700242513292" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Stock, Shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_us-gaap_TreasuryStockShares_9C5D1A6296F94FC72181700242513292" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockShares_9C5D1A6296F94FC72181700242513292" xlink:to="lab_us-gaap_TreasuryStockShares_9C5D1A6296F94FC72181700242513292" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_CA4C96001050C564B36A20AA27D103F7_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_14A21A5479825FA682CEFA15F67D663F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Related Party Transactions [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_CA4C96001050C564B36A20AA27D103F7_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_14A21A5479825FA682CEFA15F67D663F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Related Party Transactions [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_14A21A5479825FA682CEFA15F67D663F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_14A21A5479825FA682CEFA15F67D663F" xlink:to="lab_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_14A21A5479825FA682CEFA15F67D663F" xlink:type="arc" />
    <link:label id="lab_us-gaap_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock_E073705203DB0D2785AF20AA280FB788_terseLabel_en-US" xlink:label="lab_us-gaap_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock_EB86A516F04753EBBDA6EFB63A08BE8C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of Unrecognized Tax Benefits</link:label>
    <link:label id="lab_us-gaap_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock_E073705203DB0D2785AF20AA280FB788_label_en-US" xlink:label="lab_us-gaap_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock_EB86A516F04753EBBDA6EFB63A08BE8C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock" xlink:label="loc_us-gaap_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock_EB86A516F04753EBBDA6EFB63A08BE8C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock_EB86A516F04753EBBDA6EFB63A08BE8C" xlink:to="lab_us-gaap_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock_EB86A516F04753EBBDA6EFB63A08BE8C" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_03A8C80297C33FAF6960700AE4C63EB9_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_03A8C80297C33FAF6960700AE4C63EB9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_03A8C80297C33FAF6960700AE4C63EB9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_03A8C80297C33FAF6960700AE4C63EB9" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract_03A8C80297C33FAF6960700AE4C63EB9" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_890AE79AF14CE11F3A37700AE4C68610_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_890AE79AF14CE11F3A37700AE4C68610" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OPERATING ACTIVITIES</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_890AE79AF14CE11F3A37700AE4C68610_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_890AE79AF14CE11F3A37700AE4C68610" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_890AE79AF14CE11F3A37700AE4C68610" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_890AE79AF14CE11F3A37700AE4C68610" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_890AE79AF14CE11F3A37700AE4C68610" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_C97D2C9C4346E5356769700AE4C62397_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_C97D2C9C4346E5356769700AE4C62397" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustments to reconcile net income to net cash provided by operating activities:</link:label>
    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_C97D2C9C4346E5356769700AE4C62397_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_C97D2C9C4346E5356769700AE4C62397" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_C97D2C9C4346E5356769700AE4C62397" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_C97D2C9C4346E5356769700AE4C62397" xlink:to="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_C97D2C9C4346E5356769700AE4C62397" xlink:type="arc" />
    <link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_9D5DF12A0DEBAE5C54F5700AE4C6E7A5_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_9D5DF12A0DEBAE5C54F5700AE4C6E7A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_9D5DF12A0DEBAE5C54F5700AE4C6E7A5_label_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_9D5DF12A0DEBAE5C54F5700AE4C6E7A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation, Depletion and Amortization</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_9D5DF12A0DEBAE5C54F5700AE4C6E7A5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepreciationDepletionAndAmortization_9D5DF12A0DEBAE5C54F5700AE4C6E7A5" xlink:to="lab_us-gaap_DepreciationDepletionAndAmortization_9D5DF12A0DEBAE5C54F5700AE4C6E7A5" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_42DEFBA068F5A10216C5700AE4C6CB16_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_42DEFBA068F5A10216C5700AE4C6CB16" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Deferred income taxes</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_42DEFBA068F5A10216C5700AE4C6CB16_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_42DEFBA068F5A10216C5700AE4C6CB16" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Deferred Income Taxes</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_42DEFBA068F5A10216C5700AE4C6CB16" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_42DEFBA068F5A10216C5700AE4C6CB16" xlink:to="lab_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_42DEFBA068F5A10216C5700AE4C6CB16" xlink:type="arc" />
    <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_A54BD3F2F99604955F01700AE4D5720A_negatedLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_A54BD3F2F99604955F01700AE4D5720A" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Amortization of stock-based compensation, net of tax</link:label>
    <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_A54BD3F2F99604955F01700AE4D5720A_label_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_A54BD3F2F99604955F01700AE4D5720A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allocated Share-based Compensation Expense, Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_A54BD3F2F99604955F01700AE4D5720A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_A54BD3F2F99604955F01700AE4D5720A" xlink:to="lab_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_A54BD3F2F99604955F01700AE4D5720A" xlink:type="arc" />
    <link:label id="lab_us-gaap_GainLossOnDispositionOfAssets_58EC18D2744C40BE2445700AE4D5B5C8_negatedLabel_en-US" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets_58EC18D2744C40BE2445700AE4D5B5C8" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Gain on disposal of property and equipment</link:label>
    <link:label id="lab_us-gaap_GainLossOnDispositionOfAssets_58EC18D2744C40BE2445700AE4D5B5C8_label_en-US" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets_58EC18D2744C40BE2445700AE4D5B5C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets_58EC18D2744C40BE2445700AE4D5B5C8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnDispositionOfAssets_58EC18D2744C40BE2445700AE4D5B5C8" xlink:to="lab_us-gaap_GainLossOnDispositionOfAssets_58EC18D2744C40BE2445700AE4D5B5C8" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_CF2C1FB5FCC53FC5BDFC700AE4D514CD_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_CF2C1FB5FCC53FC5BDFC700AE4D514CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in certain working capital items:</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_CF2C1FB5FCC53FC5BDFC700AE4D514CD_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_CF2C1FB5FCC53FC5BDFC700AE4D514CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_CF2C1FB5FCC53FC5BDFC700AE4D514CD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_CF2C1FB5FCC53FC5BDFC700AE4D514CD" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_CF2C1FB5FCC53FC5BDFC700AE4D514CD" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInReceivables_F61CAFCFF9133553C6B3700AE4D57FA9_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInReceivables_F61CAFCFF9133553C6B3700AE4D57FA9" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Trade receivables</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInReceivables_F61CAFCFF9133553C6B3700AE4D57FA9_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInReceivables_F61CAFCFF9133553C6B3700AE4D57FA9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Receivables</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_F61CAFCFF9133553C6B3700AE4D57FA9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInReceivables_F61CAFCFF9133553C6B3700AE4D57FA9" xlink:to="lab_us-gaap_IncreaseDecreaseInReceivables_F61CAFCFF9133553C6B3700AE4D57FA9" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_13B8C77554FFB645DF9B700AE4D5988C_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_13B8C77554FFB645DF9B700AE4D5988C" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Prepaid expenses and other current assets</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_13B8C77554FFB645DF9B700AE4D5988C_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_13B8C77554FFB645DF9B700AE4D5988C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Prepaid Expense and Other Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_13B8C77554FFB645DF9B700AE4D5988C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_13B8C77554FFB645DF9B700AE4D5988C" xlink:to="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_13B8C77554FFB645DF9B700AE4D5988C" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_9F6D1880C4707237CD6A700AE4D510E4_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_9F6D1880C4707237CD6A700AE4D510E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable, accrued liabilities, and accrued expenses</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_9F6D1880C4707237CD6A700AE4D510E4_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_9F6D1880C4707237CD6A700AE4D510E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accounts Payable and Accrued Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_9F6D1880C4707237CD6A700AE4D510E4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_9F6D1880C4707237CD6A700AE4D510E4" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_9F6D1880C4707237CD6A700AE4D510E4" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_EBC74742AD9B43284E9B700AE4D51442_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_EBC74742AD9B43284E9B700AE4D51442" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued income taxes</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_EBC74742AD9B43284E9B700AE4D51442_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_EBC74742AD9B43284E9B700AE4D51442" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Income Taxes Payable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_EBC74742AD9B43284E9B700AE4D51442" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_EBC74742AD9B43284E9B700AE4D51442" xlink:to="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_EBC74742AD9B43284E9B700AE4D51442" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C8BD3F25E58D0993CD98700AE4D5B81D_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C8BD3F25E58D0993CD98700AE4D5B81D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by operating activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C8BD3F25E58D0993CD98700AE4D5B81D_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C8BD3F25E58D0993CD98700AE4D5B81D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_C8BD3F25E58D0993CD98700AE4D5B81D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_C8BD3F25E58D0993CD98700AE4D5B81D" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C8BD3F25E58D0993CD98700AE4D5B81D" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_FB3414BCA3944533D76B700AE4D515BA_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_FB3414BCA3944533D76B700AE4D515BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">INVESTING ACTIVITIES</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_FB3414BCA3944533D76B700AE4D515BA_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_FB3414BCA3944533D76B700AE4D515BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_FB3414BCA3944533D76B700AE4D515BA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_FB3414BCA3944533D76B700AE4D515BA" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_FB3414BCA3944533D76B700AE4D515BA" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_334CFBCD4560BFF366A1700AE4D5F811_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_334CFBCD4560BFF366A1700AE4D5F811" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale of property and equipment</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_334CFBCD4560BFF366A1700AE4D5F811_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_334CFBCD4560BFF366A1700AE4D5F811" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Property, Plant, and Equipment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_334CFBCD4560BFF366A1700AE4D5F811" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_334CFBCD4560BFF366A1700AE4D5F811" xlink:to="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_334CFBCD4560BFF366A1700AE4D5F811" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_49BCDD0205FFCE760D07700AE4D5232F_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_49BCDD0205FFCE760D07700AE4D5232F" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Purchases of property and equipment, net of trades</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_49BCDD0205FFCE760D07700AE4D5232F_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_49BCDD0205FFCE760D07700AE4D5232F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Property, Plant, and Equipment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_49BCDD0205FFCE760D07700AE4D5232F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_49BCDD0205FFCE760D07700AE4D5232F" xlink:to="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_49BCDD0205FFCE760D07700AE4D5232F" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_AFD99560EC5F0D305E7A700AE4D56700_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_AFD99560EC5F0D305E7A700AE4D56700" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Acquisition of business, net of cash acquired</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_AFD99560EC5F0D305E7A700AE4D56700_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_AFD99560EC5F0D305E7A700AE4D56700" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Businesses, Net of Cash Acquired</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_AFD99560EC5F0D305E7A700AE4D56700" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_AFD99560EC5F0D305E7A700AE4D56700" xlink:to="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_AFD99560EC5F0D305E7A700AE4D56700" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsForProceedsFromDelayedTaxExemptExchange_FEBF2507995F4D1FFF32700AE4D50555_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromDelayedTaxExemptExchange_FEBF2507995F4D1FFF32700AE4D50555" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Change in designated funds for equipment purchases</link:label>
    <link:label id="lab_us-gaap_PaymentsForProceedsFromDelayedTaxExemptExchange_FEBF2507995F4D1FFF32700AE4D50555_label_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromDelayedTaxExemptExchange_FEBF2507995F4D1FFF32700AE4D50555" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for (Proceeds from) Delayed Tax Exempt Exchange</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsForProceedsFromDelayedTaxExemptExchange" xlink:label="loc_us-gaap_PaymentsForProceedsFromDelayedTaxExemptExchange_FEBF2507995F4D1FFF32700AE4D50555" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForProceedsFromDelayedTaxExemptExchange_FEBF2507995F4D1FFF32700AE4D50555" xlink:to="lab_us-gaap_PaymentsForProceedsFromDelayedTaxExemptExchange_FEBF2507995F4D1FFF32700AE4D50555" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_67B37CD91FEFCE832DF7700AE4D53E51_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_67B37CD91FEFCE832DF7700AE4D53E51" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Change in other assets</link:label>
    <link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_67B37CD91FEFCE832DF7700AE4D53E51_label_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_67B37CD91FEFCE832DF7700AE4D53E51" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for (Proceeds from) Other Investing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_67B37CD91FEFCE832DF7700AE4D53E51" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_67B37CD91FEFCE832DF7700AE4D53E51" xlink:to="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_67B37CD91FEFCE832DF7700AE4D53E51" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_64BF5CB3704DC421D140700AE4D5705D_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_64BF5CB3704DC421D140700AE4D5705D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash used in investing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_64BF5CB3704DC421D140700AE4D5705D_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_64BF5CB3704DC421D140700AE4D5705D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_64BF5CB3704DC421D140700AE4D5705D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_64BF5CB3704DC421D140700AE4D5705D" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_64BF5CB3704DC421D140700AE4D5705D" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_F5A0B8EC78E1CB0870DD700AE4D5EAF6_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_F5A0B8EC78E1CB0870DD700AE4D5EAF6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">FINANCING ACTIVITIES</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_F5A0B8EC78E1CB0870DD700AE4D5EAF6_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_F5A0B8EC78E1CB0870DD700AE4D5EAF6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_F5A0B8EC78E1CB0870DD700AE4D5EAF6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_F5A0B8EC78E1CB0870DD700AE4D5EAF6" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_F5A0B8EC78E1CB0870DD700AE4D5EAF6" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsOfDividendsCommonStock_F11750D366069FFEFCCA700AE4D51134_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock_F11750D366069FFEFCCA700AE4D51134" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payments of cash dividends</link:label>
    <link:label id="lab_us-gaap_PaymentsOfDividendsCommonStock_F11750D366069FFEFCCA700AE4D51134_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock_F11750D366069FFEFCCA700AE4D51134" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Ordinary Dividends, Common Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_F11750D366069FFEFCCA700AE4D51134" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDividendsCommonStock_F11750D366069FFEFCCA700AE4D51134" xlink:to="lab_us-gaap_PaymentsOfDividendsCommonStock_F11750D366069FFEFCCA700AE4D51134" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_9C7638F5041EDD0E5F44700AE4D55B9B_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_9C7638F5041EDD0E5F44700AE4D55B9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent consideration related to acquisition</link:label>
    <link:label id="lab_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_9C7638F5041EDD0E5F44700AE4D55B9B_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_9C7638F5041EDD0E5F44700AE4D55B9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_9C7638F5041EDD0E5F44700AE4D55B9B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_9C7638F5041EDD0E5F44700AE4D55B9B" xlink:to="lab_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_9C7638F5041EDD0E5F44700AE4D55B9B" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepaymentsOfLinesOfCredit_629BEBC4F0B75FCE16D9700AE4D5E9F3_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLinesOfCredit_629BEBC4F0B75FCE16D9700AE4D5E9F3" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Repayments on line of credit</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfLinesOfCredit_629BEBC4F0B75FCE16D9700AE4D5E9F3_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfLinesOfCredit_629BEBC4F0B75FCE16D9700AE4D5E9F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Lines of Credit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_629BEBC4F0B75FCE16D9700AE4D5E9F3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfLinesOfCredit_629BEBC4F0B75FCE16D9700AE4D5E9F3" xlink:to="lab_us-gaap_RepaymentsOfLinesOfCredit_629BEBC4F0B75FCE16D9700AE4D5E9F3" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_CB59A182DEEBBCD452FE700AE4D5BF3E_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_CB59A182DEEBBCD452FE700AE4D5BF3E" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Repurchases of common stock</link:label>
    <link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_CB59A182DEEBBCD452FE700AE4D5BF3E_label_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_CB59A182DEEBBCD452FE700AE4D5BF3E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for Repurchase of Common Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_CB59A182DEEBBCD452FE700AE4D5BF3E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_CB59A182DEEBBCD452FE700AE4D5BF3E" xlink:to="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_CB59A182DEEBBCD452FE700AE4D5BF3E" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_19F5B06C50F866430394700AE4D58B1E_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_19F5B06C50F866430394700AE4D58B1E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash used in financing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_19F5B06C50F866430394700AE4D58B1E_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_19F5B06C50F866430394700AE4D58B1E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_19F5B06C50F866430394700AE4D58B1E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_19F5B06C50F866430394700AE4D58B1E" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_19F5B06C50F866430394700AE4D58B1E" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_203792566028EB882A96700AE4D5E94B_totalLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_203792566028EB882A96700AE4D5E94B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net increase in cash and cash equivalents</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_203792566028EB882A96700AE4D5E94B_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_203792566028EB882A96700AE4D5E94B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Period Increase (Decrease)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_203792566028EB882A96700AE4D5E94B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_203792566028EB882A96700AE4D5E94B" xlink:to="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_203792566028EB882A96700AE4D5E94B" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_9BE4B20C0416804C4C95700AE4D52685_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_9BE4B20C0416804C4C95700AE4D52685" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CASH AND CASH EQUIVALENTS</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_9BE4B20C0416804C4C95700AE4D52685_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_9BE4B20C0416804C4C95700AE4D52685" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Period Increase (Decrease) [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_9BE4B20C0416804C4C95700AE4D52685" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_9BE4B20C0416804C4C95700AE4D52685" xlink:to="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_9BE4B20C0416804C4C95700AE4D52685" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_9BF9642753B9BDA5BD3C700AE4D57F10_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_9BF9642753B9BDA5BD3C700AE4D57F10" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning of period</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_9BF9642753B9BDA5BD3C700AE4D57F10_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_9BF9642753B9BDA5BD3C700AE4D57F10" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_9BF9642753B9BDA5BD3C700AE4D57F10" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_9BF9642753B9BDA5BD3C700AE4D57F10" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_9BF9642753B9BDA5BD3C700AE4D57F10" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_054A947BD36F50116204700AE4D58589_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_054A947BD36F50116204700AE4D58589" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">End of period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_054A947BD36F50116204700AE4D58589" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_054A947BD36F50116204700AE4D58589" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_054A947BD36F50116204700AE4D58589" xlink:type="arc" />
    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_466CEC86EC8EA9BF8490700AE4D5630B_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_466CEC86EC8EA9BF8490700AE4D5630B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION</link:label>
    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_466CEC86EC8EA9BF8490700AE4D5630B_label_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_466CEC86EC8EA9BF8490700AE4D5630B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Cash Flow Information [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_466CEC86EC8EA9BF8490700AE4D5630B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_466CEC86EC8EA9BF8490700AE4D5630B" xlink:to="lab_us-gaap_SupplementalCashFlowInformationAbstract_466CEC86EC8EA9BF8490700AE4D5630B" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestPaid_2CED446B3E7ED462359C700AE4D565AA_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaid_2CED446B3E7ED462359C700AE4D565AA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest paid</link:label>
    <link:label id="lab_us-gaap_InterestPaid_2CED446B3E7ED462359C700AE4D565AA_label_en-US" xlink:label="lab_us-gaap_InterestPaid_2CED446B3E7ED462359C700AE4D565AA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Paid</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_2CED446B3E7ED462359C700AE4D565AA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPaid_2CED446B3E7ED462359C700AE4D565AA" xlink:to="lab_us-gaap_InterestPaid_2CED446B3E7ED462359C700AE4D565AA" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxesPaidNet_69B18AADB23506CB3070700AE4D58874_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_69B18AADB23506CB3070700AE4D58874" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash paid during the period for income taxes, net of refunds</link:label>
    <link:label id="lab_us-gaap_IncomeTaxesPaidNet_69B18AADB23506CB3070700AE4D58874_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_69B18AADB23506CB3070700AE4D58874" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Taxes Paid, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_69B18AADB23506CB3070700AE4D58874" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_69B18AADB23506CB3070700AE4D58874" xlink:to="lab_us-gaap_IncomeTaxesPaidNet_69B18AADB23506CB3070700AE4D58874" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_4439EC53241175D69536700AE4D52DC1_verboseLabel_en-US" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_4439EC53241175D69536700AE4D52DC1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Noncash investing and financing activities:</link:label>
    <link:label id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_4439EC53241175D69536700AE4D52DC1_label_en-US" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_4439EC53241175D69536700AE4D52DC1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_4439EC53241175D69536700AE4D52DC1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_4439EC53241175D69536700AE4D52DC1" xlink:to="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_4439EC53241175D69536700AE4D52DC1" xlink:type="arc" />
    <link:label id="lab_htld_FairValueOfRevenueEquipmentTraded_8BBB39668ED521D62CEB700AE4D53D58_terseLabel_en-US" xlink:label="lab_htld_FairValueOfRevenueEquipmentTraded_8BBB39668ED521D62CEB700AE4D53D58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of revenue equipment traded</link:label>
    <link:label id="lab_htld_FairValueOfRevenueEquipmentTraded_8BBB39668ED521D62CEB700AE4D53D58_label_en-US" xlink:label="lab_htld_FairValueOfRevenueEquipmentTraded_8BBB39668ED521D62CEB700AE4D53D58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair value of revenue equipment traded</link:label>
    <link:label id="lab_htld_FairValueOfRevenueEquipmentTraded_8BBB39668ED521D62CEB700AE4D53D58_documentation_en-US" xlink:label="lab_htld_FairValueOfRevenueEquipmentTraded_8BBB39668ED521D62CEB700AE4D53D58" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value of revenue equipment traded</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_FairValueOfRevenueEquipmentTraded" xlink:label="loc_htld_FairValueOfRevenueEquipmentTraded_8BBB39668ED521D62CEB700AE4D53D58" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_FairValueOfRevenueEquipmentTraded_8BBB39668ED521D62CEB700AE4D53D58" xlink:to="lab_htld_FairValueOfRevenueEquipmentTraded_8BBB39668ED521D62CEB700AE4D53D58" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_402B33DA96EE282931AD700AE4D54604_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_402B33DA96EE282931AD700AE4D54604" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchased property and equipment in accounts payable</link:label>
    <link:label id="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_402B33DA96EE282931AD700AE4D54604_label_en-US" xlink:label="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_402B33DA96EE282931AD700AE4D54604" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Expenditures Incurred but Not yet Paid</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_402B33DA96EE282931AD700AE4D54604" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_402B33DA96EE282931AD700AE4D54604" xlink:to="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_402B33DA96EE282931AD700AE4D54604" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInRestrictedCashAndInvestments_CC73D2C37953CEE5D447700AE4D5E668_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInRestrictedCashAndInvestments_CC73D2C37953CEE5D447700AE4D5E668" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sold property and equipment in other current assets</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInRestrictedCashAndInvestments_CC73D2C37953CEE5D447700AE4D5E668_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInRestrictedCashAndInvestments_CC73D2C37953CEE5D447700AE4D5E668" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Restricted Cash and Investments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCashAndInvestments" xlink:label="loc_us-gaap_IncreaseDecreaseInRestrictedCashAndInvestments_CC73D2C37953CEE5D447700AE4D5E668" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInRestrictedCashAndInvestments_CC73D2C37953CEE5D447700AE4D5E668" xlink:to="lab_us-gaap_IncreaseDecreaseInRestrictedCashAndInvestments_CC73D2C37953CEE5D447700AE4D5E668" xlink:type="arc" />
    <link:label id="lab_htld_CommonStockDividendsDeclaredInAccountsPayable_7D291C1C8450C2BFF835700AE4D5BF16_terseLabel_en-US" xlink:label="lab_htld_CommonStockDividendsDeclaredInAccountsPayable_7D291C1C8450C2BFF835700AE4D5BF16" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock dividends declared in accounts payable</link:label>
    <link:label id="lab_htld_CommonStockDividendsDeclaredInAccountsPayable_7D291C1C8450C2BFF835700AE4D5BF16_label_en-US" xlink:label="lab_htld_CommonStockDividendsDeclaredInAccountsPayable_7D291C1C8450C2BFF835700AE4D5BF16" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock Dividends Declared In Accounts Payable</link:label>
    <link:label id="lab_htld_CommonStockDividendsDeclaredInAccountsPayable_7D291C1C8450C2BFF835700AE4D5BF16_documentation_en-US" xlink:label="lab_htld_CommonStockDividendsDeclaredInAccountsPayable_7D291C1C8450C2BFF835700AE4D5BF16" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Common Stock Dividends Declared In Accounts Payable</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_CommonStockDividendsDeclaredInAccountsPayable" xlink:label="loc_htld_CommonStockDividendsDeclaredInAccountsPayable_7D291C1C8450C2BFF835700AE4D5BF16" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_CommonStockDividendsDeclaredInAccountsPayable_7D291C1C8450C2BFF835700AE4D5BF16" xlink:to="lab_htld_CommonStockDividendsDeclaredInAccountsPayable_7D291C1C8450C2BFF835700AE4D5BF16" xlink:type="arc" />
    <link:label id="lab_htld_DeiAbstract_F8FD645A90DBA705DA04F4B315E29E7F_label_en-US" xlink:label="lab_htld_DeiAbstract_F4DB04CF9AFC5C7D8434DB3DC05ACB05" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">DEI [Abstract]</link:label>
    <link:label id="lab_htld_DeiAbstract_F8FD645A90DBA705DA04F4B315E29E7F_documentation_en-US" xlink:label="lab_htld_DeiAbstract_F4DB04CF9AFC5C7D8434DB3DC05ACB05" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">DEI [Abstract]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_DeiAbstract" xlink:label="loc_htld_DeiAbstract_F4DB04CF9AFC5C7D8434DB3DC05ACB05" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_DeiAbstract_F4DB04CF9AFC5C7D8434DB3DC05ACB05" xlink:to="lab_htld_DeiAbstract_F4DB04CF9AFC5C7D8434DB3DC05ACB05" xlink:type="arc" />
    <link:label id="lab_dei_DocumentInformationTable_966DD974604E2BA32954F4B315E21DF6_terseLabel_en-US" xlink:label="lab_dei_DocumentInformationTable_DB6C278B01AB5824AF8A7DC7461CFFF7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Information [Table]</link:label>
    <link:label id="lab_dei_DocumentInformationTable_966DD974604E2BA32954F4B315E21DF6_label_en-US" xlink:label="lab_dei_DocumentInformationTable_DB6C278B01AB5824AF8A7DC7461CFFF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Information [Table]</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentInformationTable" xlink:label="loc_dei_DocumentInformationTable_DB6C278B01AB5824AF8A7DC7461CFFF7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationTable_DB6C278B01AB5824AF8A7DC7461CFFF7" xlink:to="lab_dei_DocumentInformationTable_DB6C278B01AB5824AF8A7DC7461CFFF7" xlink:type="arc" />
    <link:label id="lab_dei_DocumentInformationDocumentAxis_C73F5F4D3EED1E63E685F4B315E2A057_terseLabel_en-US" xlink:label="lab_dei_DocumentInformationDocumentAxis_BEF7A2859DBF51289AE25FF46BA36CCD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Information, Document [Axis]</link:label>
    <link:label id="lab_dei_DocumentInformationDocumentAxis_C73F5F4D3EED1E63E685F4B315E2A057_label_en-US" xlink:label="lab_dei_DocumentInformationDocumentAxis_BEF7A2859DBF51289AE25FF46BA36CCD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Information, Document [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentInformationDocumentAxis" xlink:label="loc_dei_DocumentInformationDocumentAxis_BEF7A2859DBF51289AE25FF46BA36CCD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationDocumentAxis_BEF7A2859DBF51289AE25FF46BA36CCD" xlink:to="lab_dei_DocumentInformationDocumentAxis_BEF7A2859DBF51289AE25FF46BA36CCD" xlink:type="arc" />
    <link:label id="lab_dei_DocumentDomain_2A2DCB4DB1295679AE77F4B315E20BC8_terseLabel_en-US" xlink:label="lab_dei_DocumentDomain_3F9DBED493625DF4A182A41E9D002467" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document [Domain]</link:label>
    <link:label id="lab_dei_DocumentDomain_2A2DCB4DB1295679AE77F4B315E20BC8_label_en-US" xlink:label="lab_dei_DocumentDomain_3F9DBED493625DF4A182A41E9D002467" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentDomain" xlink:label="loc_dei_DocumentDomain_3F9DBED493625DF4A182A41E9D002467" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentDomain_3F9DBED493625DF4A182A41E9D002467" xlink:to="lab_dei_DocumentDomain_3F9DBED493625DF4A182A41E9D002467" xlink:type="arc" />
    <link:label id="lab_dei_DocumentInformationLineItems_CDD0F2E0F03DD13AB3B0F4B315E28AB1_terseLabel_en-US" xlink:label="lab_dei_DocumentInformationLineItems_510F98621B185016B237C7D98E6AFC41" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Information [Line Items]</link:label>
    <link:label id="lab_dei_DocumentInformationLineItems_CDD0F2E0F03DD13AB3B0F4B315E28AB1_label_en-US" xlink:label="lab_dei_DocumentInformationLineItems_510F98621B185016B237C7D98E6AFC41" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Information [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentInformationLineItems" xlink:label="loc_dei_DocumentInformationLineItems_510F98621B185016B237C7D98E6AFC41" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationLineItems_510F98621B185016B237C7D98E6AFC41" xlink:to="lab_dei_DocumentInformationLineItems_510F98621B185016B237C7D98E6AFC41" xlink:type="arc" />
    <link:label id="lab_dei_EntityRegistrantName_BD0D4DAB92FD71BFA002F4B315E2A92B_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName_5D7F6F402C9C5358BB710729F89CBAEF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:label id="lab_dei_EntityRegistrantName_BD0D4DAB92FD71BFA002F4B315E2A92B_label_en-US" xlink:label="lab_dei_EntityRegistrantName_5D7F6F402C9C5358BB710729F89CBAEF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_5D7F6F402C9C5358BB710729F89CBAEF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName_5D7F6F402C9C5358BB710729F89CBAEF" xlink:to="lab_dei_EntityRegistrantName_5D7F6F402C9C5358BB710729F89CBAEF" xlink:type="arc" />
    <link:label id="lab_dei_EntityCentralIndexKey_FD22BBB0888FBDC67CDAF4B315E2E4AF_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey_6A0E226E160C508E8210B9ACBC4B3DDA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:label id="lab_dei_EntityCentralIndexKey_FD22BBB0888FBDC67CDAF4B315E2E4AF_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey_6A0E226E160C508E8210B9ACBC4B3DDA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_6A0E226E160C508E8210B9ACBC4B3DDA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey_6A0E226E160C508E8210B9ACBC4B3DDA" xlink:to="lab_dei_EntityCentralIndexKey_6A0E226E160C508E8210B9ACBC4B3DDA" xlink:type="arc" />
    <link:label id="lab_dei_DocumentType_2977F857BC8BDFF50F73F4B315E2ADBF_terseLabel_en-US" xlink:label="lab_dei_DocumentType_FD5846F590455AD99DCC99077343C018" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_2977F857BC8BDFF50F73F4B315E2ADBF_label_en-US" xlink:label="lab_dei_DocumentType_FD5846F590455AD99DCC99077343C018" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_FD5846F590455AD99DCC99077343C018" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType_FD5846F590455AD99DCC99077343C018" xlink:to="lab_dei_DocumentType_FD5846F590455AD99DCC99077343C018" xlink:type="arc" />
    <link:label id="lab_dei_DocumentPeriodEndDate_AB0559AF6C10A9346CDDF4B315E25007_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate_FAA5C73C82A7568DA1AD2CFE9B9673BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:label id="lab_dei_DocumentPeriodEndDate_AB0559AF6C10A9346CDDF4B315E25007_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate_FAA5C73C82A7568DA1AD2CFE9B9673BF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_FAA5C73C82A7568DA1AD2CFE9B9673BF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate_FAA5C73C82A7568DA1AD2CFE9B9673BF" xlink:to="lab_dei_DocumentPeriodEndDate_FAA5C73C82A7568DA1AD2CFE9B9673BF" xlink:type="arc" />
    <link:label id="lab_dei_DocumentFiscalYearFocus_CB9B8CBA005D3CCAF3D2F4B315E2B7EE_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus_1E85EE1F6A9D5AAB9E6A16C1BB4699BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalYearFocus_CB9B8CBA005D3CCAF3D2F4B315E2B7EE_label_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus_1E85EE1F6A9D5AAB9E6A16C1BB4699BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_1E85EE1F6A9D5AAB9E6A16C1BB4699BD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalYearFocus_1E85EE1F6A9D5AAB9E6A16C1BB4699BD" xlink:to="lab_dei_DocumentFiscalYearFocus_1E85EE1F6A9D5AAB9E6A16C1BB4699BD" xlink:type="arc" />
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_4C59613259243E60BF12F4B315E2AA5B_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus_61E6734AAA655A89A85FDC71D4F7F8F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_4C59613259243E60BF12F4B315E2AA5B_label_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus_61E6734AAA655A89A85FDC71D4F7F8F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_61E6734AAA655A89A85FDC71D4F7F8F6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus_61E6734AAA655A89A85FDC71D4F7F8F6" xlink:to="lab_dei_DocumentFiscalPeriodFocus_61E6734AAA655A89A85FDC71D4F7F8F6" xlink:type="arc" />
    <link:label id="lab_dei_CurrentFiscalYearEndDate_9E7676683673EB2DEAD2F4B315E2F445_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_4A3BF604FE0356079474761D36519F9E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_9E7676683673EB2DEAD2F4B315E2F445_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_4A3BF604FE0356079474761D36519F9E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_4A3BF604FE0356079474761D36519F9E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate_4A3BF604FE0356079474761D36519F9E" xlink:to="lab_dei_CurrentFiscalYearEndDate_4A3BF604FE0356079474761D36519F9E" xlink:type="arc" />
    <link:label id="lab_dei_AmendmentFlag_D659F10A3A36104CA732F4B315E27BC9_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag_16FFEA2B7844581EA9A28CC0A63619F5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_D659F10A3A36104CA732F4B315E27BC9_label_en-US" xlink:label="lab_dei_AmendmentFlag_16FFEA2B7844581EA9A28CC0A63619F5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_16FFEA2B7844581EA9A28CC0A63619F5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag_16FFEA2B7844581EA9A28CC0A63619F5" xlink:to="lab_dei_AmendmentFlag_16FFEA2B7844581EA9A28CC0A63619F5" xlink:type="arc" />
    <link:label id="lab_dei_EntityFilerCategory_990E26569CAF6640E84CF4B315E2A14D_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory_FDC00DAC0F4E51E0BDAA879AFB7B7DCB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Filer Category</link:label>
    <link:label id="lab_dei_EntityFilerCategory_990E26569CAF6640E84CF4B315E2A14D_label_en-US" xlink:label="lab_dei_EntityFilerCategory_FDC00DAC0F4E51E0BDAA879AFB7B7DCB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Filer Category</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_FDC00DAC0F4E51E0BDAA879AFB7B7DCB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory_FDC00DAC0F4E51E0BDAA879AFB7B7DCB" xlink:to="lab_dei_EntityFilerCategory_FDC00DAC0F4E51E0BDAA879AFB7B7DCB" xlink:type="arc" />
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_556F9AE0278D7162EA4AF4B315E21622_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_D0CC822634745B64B247C00BDCBE5D25" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_556F9AE0278D7162EA4AF4B315E21622_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_D0CC822634745B64B247C00BDCBE5D25" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_D0CC822634745B64B247C00BDCBE5D25" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding_D0CC822634745B64B247C00BDCBE5D25" xlink:to="lab_dei_EntityCommonStockSharesOutstanding_D0CC822634745B64B247C00BDCBE5D25" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeStatementAbstract_66BC5E0A35D4C9BEE57EFDFD047EAC00_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract_42DEA9B683145F508BE3829B6BF52190" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_42DEA9B683145F508BE3829B6BF52190" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementAbstract_42DEA9B683145F508BE3829B6BF52190" xlink:to="lab_us-gaap_IncomeStatementAbstract_42DEA9B683145F508BE3829B6BF52190" xlink:type="arc" />
    <link:label id="lab_us-gaap_Revenues_46DF5B25875D779476CAFDFD047E61A5_terseLabel_en-US" xlink:label="lab_us-gaap_Revenues_560529A5050A53E685722C042C993EC9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Revenue</link:label>
    <link:label id="lab_us-gaap_Revenues_46DF5B25875D779476CAFDFD047E61A5_label_en-US" xlink:label="lab_us-gaap_Revenues_560529A5050A53E685722C042C993EC9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenues</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_560529A5050A53E685722C042C993EC9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Revenues_560529A5050A53E685722C042C993EC9" xlink:to="lab_us-gaap_Revenues_560529A5050A53E685722C042C993EC9" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingExpensesAbstract_DBADEDC890653BC0F65BFDFD047E0E04_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract_10740AD856445C318BEED16CD5B25CE1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Expenses</link:label>
    <link:label id="lab_us-gaap_OperatingExpensesAbstract_DBADEDC890653BC0F65BFDFD047E0E04_label_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract_10740AD856445C318BEED16CD5B25CE1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Expenses [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_us-gaap_OperatingExpensesAbstract_10740AD856445C318BEED16CD5B25CE1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingExpensesAbstract_10740AD856445C318BEED16CD5B25CE1" xlink:to="lab_us-gaap_OperatingExpensesAbstract_10740AD856445C318BEED16CD5B25CE1" xlink:type="arc" />
    <link:label id="lab_us-gaap_LaborAndRelatedExpense_D663FE86B70A6C2DF335FDFD047E6AB3_terseLabel_en-US" xlink:label="lab_us-gaap_LaborAndRelatedExpense_DD9F9C8E8CA75BF39670E677C84F6060" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Salaries, wages, and benefits</link:label>
    <link:label id="lab_us-gaap_LaborAndRelatedExpense_D663FE86B70A6C2DF335FDFD047E6AB3_label_en-US" xlink:label="lab_us-gaap_LaborAndRelatedExpense_DD9F9C8E8CA75BF39670E677C84F6060" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Labor and Related Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:label="loc_us-gaap_LaborAndRelatedExpense_DD9F9C8E8CA75BF39670E677C84F6060" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LaborAndRelatedExpense_DD9F9C8E8CA75BF39670E677C84F6060" xlink:to="lab_us-gaap_LaborAndRelatedExpense_DD9F9C8E8CA75BF39670E677C84F6060" xlink:type="arc" />
    <link:label id="lab_htld_RentAndPurchasedTransportation_D109DE26C67A93C6289BFDFD047ECD09_terseLabel_en-US" xlink:label="lab_htld_RentAndPurchasedTransportation_602D5B5032055958859BD35C1A5190D8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rent and purchased transportation</link:label>
    <link:label id="lab_htld_RentAndPurchasedTransportation_D109DE26C67A93C6289BFDFD047ECD09_label_en-US" xlink:label="lab_htld_RentAndPurchasedTransportation_602D5B5032055958859BD35C1A5190D8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rent and purchased transportation</link:label>
    <link:label id="lab_htld_RentAndPurchasedTransportation_D109DE26C67A93C6289BFDFD047ECD09_documentation_en-US" xlink:label="lab_htld_RentAndPurchasedTransportation_602D5B5032055958859BD35C1A5190D8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payment of rentals incurred in the period on property and equipment including payments made to independent contractors for providing and operating revenue equipment owned and maintained by independent contractors.</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_RentAndPurchasedTransportation" xlink:label="loc_htld_RentAndPurchasedTransportation_602D5B5032055958859BD35C1A5190D8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_RentAndPurchasedTransportation_602D5B5032055958859BD35C1A5190D8" xlink:to="lab_htld_RentAndPurchasedTransportation_602D5B5032055958859BD35C1A5190D8" xlink:type="arc" />
    <link:label id="lab_us-gaap_FuelCosts_F5B80917AB6E90C4E4ABFDFD047E8ADB_terseLabel_en-US" xlink:label="lab_us-gaap_FuelCosts_7B2D63D801B858EC8A20FCFFB4E4D169" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fuel</link:label>
    <link:label id="lab_us-gaap_FuelCosts_F5B80917AB6E90C4E4ABFDFD047E8ADB_label_en-US" xlink:label="lab_us-gaap_FuelCosts_7B2D63D801B858EC8A20FCFFB4E4D169" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fuel Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FuelCosts" xlink:label="loc_us-gaap_FuelCosts_7B2D63D801B858EC8A20FCFFB4E4D169" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FuelCosts_7B2D63D801B858EC8A20FCFFB4E4D169" xlink:to="lab_us-gaap_FuelCosts_7B2D63D801B858EC8A20FCFFB4E4D169" xlink:type="arc" />
    <link:label id="lab_us-gaap_CostOfServicesMaintenanceCosts_CE435CB77188F2BCF40FFDFD047ED61D_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfServicesMaintenanceCosts_C2031A0AA11F50079C0CCEE32520A627" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operations and maintenance</link:label>
    <link:label id="lab_us-gaap_CostOfServicesMaintenanceCosts_CE435CB77188F2BCF40FFDFD047ED61D_label_en-US" xlink:label="lab_us-gaap_CostOfServicesMaintenanceCosts_C2031A0AA11F50079C0CCEE32520A627" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Services, Maintenance Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfServicesMaintenanceCosts" xlink:label="loc_us-gaap_CostOfServicesMaintenanceCosts_C2031A0AA11F50079C0CCEE32520A627" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfServicesMaintenanceCosts_C2031A0AA11F50079C0CCEE32520A627" xlink:to="lab_us-gaap_CostOfServicesMaintenanceCosts_C2031A0AA11F50079C0CCEE32520A627" xlink:type="arc" />
    <link:label id="lab_us-gaap_CostOfServicesDirectTaxesAndLicensesCosts_3645711CAB6F972DBD16FDFD047E4954_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfServicesDirectTaxesAndLicensesCosts_66F7839F7F3D51E095DDCCD9B4E4CB13" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating taxes and licenses</link:label>
    <link:label id="lab_us-gaap_CostOfServicesDirectTaxesAndLicensesCosts_3645711CAB6F972DBD16FDFD047E4954_label_en-US" xlink:label="lab_us-gaap_CostOfServicesDirectTaxesAndLicensesCosts_66F7839F7F3D51E095DDCCD9B4E4CB13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Services, Direct Taxes and Licenses Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfServicesDirectTaxesAndLicensesCosts" xlink:label="loc_us-gaap_CostOfServicesDirectTaxesAndLicensesCosts_66F7839F7F3D51E095DDCCD9B4E4CB13" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfServicesDirectTaxesAndLicensesCosts_66F7839F7F3D51E095DDCCD9B4E4CB13" xlink:to="lab_us-gaap_CostOfServicesDirectTaxesAndLicensesCosts_66F7839F7F3D51E095DDCCD9B4E4CB13" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingInsuranceAndClaimsCostsProduction_CEFCEE720D425F748738FDFD047E3C28_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingInsuranceAndClaimsCostsProduction_6EE762D1FC9E550F89147660DF6FDDDB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Insurance and claims</link:label>
    <link:label id="lab_us-gaap_OperatingInsuranceAndClaimsCostsProduction_CEFCEE720D425F748738FDFD047E3C28_label_en-US" xlink:label="lab_us-gaap_OperatingInsuranceAndClaimsCostsProduction_6EE762D1FC9E550F89147660DF6FDDDB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Insurance and Claims Costs, Production</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingInsuranceAndClaimsCostsProduction" xlink:label="loc_us-gaap_OperatingInsuranceAndClaimsCostsProduction_6EE762D1FC9E550F89147660DF6FDDDB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingInsuranceAndClaimsCostsProduction_6EE762D1FC9E550F89147660DF6FDDDB" xlink:to="lab_us-gaap_OperatingInsuranceAndClaimsCostsProduction_6EE762D1FC9E550F89147660DF6FDDDB" xlink:type="arc" />
    <link:label id="lab_us-gaap_DirectCommunicationsAndUtilitiesCosts_058268E4BE1A135ECF3AFDFD047EF06F_terseLabel_en-US" xlink:label="lab_us-gaap_DirectCommunicationsAndUtilitiesCosts_80500D300BEB5B8EBD967F0326B5ABBC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Communications and utilities</link:label>
    <link:label id="lab_us-gaap_DirectCommunicationsAndUtilitiesCosts_058268E4BE1A135ECF3AFDFD047EF06F_label_en-US" xlink:label="lab_us-gaap_DirectCommunicationsAndUtilitiesCosts_80500D300BEB5B8EBD967F0326B5ABBC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Direct Communications and Utilities Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DirectCommunicationsAndUtilitiesCosts" xlink:label="loc_us-gaap_DirectCommunicationsAndUtilitiesCosts_80500D300BEB5B8EBD967F0326B5ABBC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DirectCommunicationsAndUtilitiesCosts_80500D300BEB5B8EBD967F0326B5ABBC" xlink:to="lab_us-gaap_DirectCommunicationsAndUtilitiesCosts_80500D300BEB5B8EBD967F0326B5ABBC" xlink:type="arc" />
    <link:label id="lab_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_28EB9FE2462B4422A231FDFD047EA446_verboseLabel_en-US" xlink:label="lab_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_2089ABDF00AD56FDB70BAF98E777E2C5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_28EB9FE2462B4422A231FDFD047EA446_label_en-US" xlink:label="lab_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_2089ABDF00AD56FDB70BAF98E777E2C5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">depreciation and amortization excluding depreciation on communication equipment</link:label>
    <link:label id="lab_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_28EB9FE2462B4422A231FDFD047EA446_documentation_en-US" xlink:label="lab_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_2089ABDF00AD56FDB70BAF98E777E2C5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">depreciation and amortization excluding depreciation on communication equipment</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment" xlink:label="loc_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_2089ABDF00AD56FDB70BAF98E777E2C5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_2089ABDF00AD56FDB70BAF98E777E2C5" xlink:to="lab_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_2089ABDF00AD56FDB70BAF98E777E2C5" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherCostAndExpenseOperating_D76E81BF11A6DC3A151DFDFD047E7B89_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCostAndExpenseOperating_497580A96B635193A2E0A6A6A14FFEAE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other operating expenses</link:label>
    <link:label id="lab_us-gaap_OtherCostAndExpenseOperating_D76E81BF11A6DC3A151DFDFD047E7B89_label_en-US" xlink:label="lab_us-gaap_OtherCostAndExpenseOperating_497580A96B635193A2E0A6A6A14FFEAE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Cost and Expense, Operating</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_497580A96B635193A2E0A6A6A14FFEAE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCostAndExpenseOperating_497580A96B635193A2E0A6A6A14FFEAE" xlink:to="lab_us-gaap_OtherCostAndExpenseOperating_497580A96B635193A2E0A6A6A14FFEAE" xlink:type="arc" />
    <link:label id="lab_us-gaap_CostsAndExpenses_92C3CA15DC12927603D3FDFD047E88DA_totalLabel_en-US" xlink:label="lab_us-gaap_CostsAndExpenses_98A61CF9AE9351EE8D005A9F8C453852" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total operating expenses</link:label>
    <link:label id="lab_us-gaap_CostsAndExpenses_92C3CA15DC12927603D3FDFD047E88DA_label_en-US" xlink:label="lab_us-gaap_CostsAndExpenses_98A61CF9AE9351EE8D005A9F8C453852" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Costs and Expenses</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_98A61CF9AE9351EE8D005A9F8C453852" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAndExpenses_98A61CF9AE9351EE8D005A9F8C453852" xlink:to="lab_us-gaap_CostsAndExpenses_98A61CF9AE9351EE8D005A9F8C453852" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingIncomeLoss_B1232D3D938433191931FDFD047E8B90_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_33229AC7DAFC582A9D797FCF8F9B08A6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Operating income</link:label>
    <link:label id="lab_us-gaap_OperatingIncomeLoss_B1232D3D938433191931FDFD047E8B90_label_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_33229AC7DAFC582A9D797FCF8F9B08A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Income (Loss)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_33229AC7DAFC582A9D797FCF8F9B08A6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingIncomeLoss_33229AC7DAFC582A9D797FCF8F9B08A6" xlink:to="lab_us-gaap_OperatingIncomeLoss_33229AC7DAFC582A9D797FCF8F9B08A6" xlink:type="arc" />
    <link:label id="lab_us-gaap_InvestmentIncomeInterest_A07E3BEE61766C9D54A3FDFD047EA7E4_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest_10D23A0E1B9856FCA423B9A7710A1CA5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest income</link:label>
    <link:label id="lab_us-gaap_InvestmentIncomeInterest_A07E3BEE61766C9D54A3FDFD047EA7E4_label_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest_10D23A0E1B9856FCA423B9A7710A1CA5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Income, Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest_10D23A0E1B9856FCA423B9A7710A1CA5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentIncomeInterest_10D23A0E1B9856FCA423B9A7710A1CA5" xlink:to="lab_us-gaap_InvestmentIncomeInterest_10D23A0E1B9856FCA423B9A7710A1CA5" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestExpenseDebt_F2BD29DCF1B8355A22D9FDFD047E3134_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseDebt_5C159FC9B65152CAA444A5BD1EE1885A" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Interest expense</link:label>
    <link:label id="lab_us-gaap_InterestExpenseDebt_F2BD29DCF1B8355A22D9FDFD047E3134_label_en-US" xlink:label="lab_us-gaap_InterestExpenseDebt_5C159FC9B65152CAA444A5BD1EE1885A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense, Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="loc_us-gaap_InterestExpenseDebt_5C159FC9B65152CAA444A5BD1EE1885A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseDebt_5C159FC9B65152CAA444A5BD1EE1885A" xlink:to="lab_us-gaap_InterestExpenseDebt_5C159FC9B65152CAA444A5BD1EE1885A" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_A3ACBDDFA5BB17DC818DFDFD047EAF0E_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_3B247714F0C252108B0FD7A3AA909439" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Income before income taxes</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_A3ACBDDFA5BB17DC818DFDFD047EAF0E_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_3B247714F0C252108B0FD7A3AA909439" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_3B247714F0C252108B0FD7A3AA909439" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_3B247714F0C252108B0FD7A3AA909439" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_3B247714F0C252108B0FD7A3AA909439" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_4193FD47F77F386EFE8FFDFD047E61FB_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_CCAB18D2DB3D563088D592D4DC48A72E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Federal and state income taxes</link:label>
    <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_4193FD47F77F386EFE8FFDFD047E61FB_label_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_CCAB18D2DB3D563088D592D4DC48A72E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Expense (Benefit)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_CCAB18D2DB3D563088D592D4DC48A72E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_CCAB18D2DB3D563088D592D4DC48A72E" xlink:to="lab_us-gaap_IncomeTaxExpenseBenefit_CCAB18D2DB3D563088D592D4DC48A72E" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLoss_B41B245A97346C8E45F0FDFD047E2428_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_04FA77E88ED05FB2A28ED55E47173B4F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net income</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_04FA77E88ED05FB2A28ED55E47173B4F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss_04FA77E88ED05FB2A28ED55E47173B4F" xlink:to="lab_us-gaap_NetIncomeLoss_04FA77E88ED05FB2A28ED55E47173B4F" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_4AD7D7FAD0167803889AFDFD047E7276_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_799C512E03DD544FA292856E20FA6B17" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income, net of tax</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_4AD7D7FAD0167803889AFDFD047E7276_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_799C512E03DD544FA292856E20FA6B17" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_799C512E03DD544FA292856E20FA6B17" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_799C512E03DD544FA292856E20FA6B17" xlink:to="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_799C512E03DD544FA292856E20FA6B17" xlink:type="arc" />
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_EE69EA34A693DC286419FDFD047E8438_totalLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_4F494164A6485A4EA4C2B81E3B718C35" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Comprehensive income</link:label>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_EE69EA34A693DC286419FDFD047E8438_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_4F494164A6485A4EA4C2B81E3B718C35" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_4F494164A6485A4EA4C2B81E3B718C35" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_4F494164A6485A4EA4C2B81E3B718C35" xlink:to="lab_us-gaap_ComprehensiveIncomeNetOfTax_4F494164A6485A4EA4C2B81E3B718C35" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareAbstract_D0AEB23EBC88CDC7B61FFDFD047EB4B6_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_7C2ADFE3AF2753B4BA1E18C53E877F8B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income per share</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareAbstract_D0AEB23EBC88CDC7B61FFDFD047EB4B6_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_7C2ADFE3AF2753B4BA1E18C53E877F8B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_7C2ADFE3AF2753B4BA1E18C53E877F8B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareAbstract_7C2ADFE3AF2753B4BA1E18C53E877F8B" xlink:to="lab_us-gaap_EarningsPerShareAbstract_7C2ADFE3AF2753B4BA1E18C53E877F8B" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareBasic_F99982E97BC44949E74EFDFD047ED0D5_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic_E9B43F2BA24A54AF9742F788BFDC1CEF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareBasic_F99982E97BC44949E74EFDFD047ED0D5_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic_E9B43F2BA24A54AF9742F788BFDC1CEF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Basic</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_E9B43F2BA24A54AF9742F788BFDC1CEF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasic_E9B43F2BA24A54AF9742F788BFDC1CEF" xlink:to="lab_us-gaap_EarningsPerShareBasic_E9B43F2BA24A54AF9742F788BFDC1CEF" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_03804CBCB183C131CC4CFDFD047E3776_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted_B26A44C9F44D58D6B408B181288F695A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_03804CBCB183C131CC4CFDFD047E3776_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted_B26A44C9F44D58D6B408B181288F695A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Diluted</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_B26A44C9F44D58D6B408B181288F695A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareDiluted_B26A44C9F44D58D6B408B181288F695A" xlink:to="lab_us-gaap_EarningsPerShareDiluted_B26A44C9F44D58D6B408B181288F695A" xlink:type="arc" />
    <link:label id="lab_htld_WeightedAverageSharesOutstandingAbstract_F2439A0E6357CDDD6923FDFD047E6DC0_terseLabel_en-US" xlink:label="lab_htld_WeightedAverageSharesOutstandingAbstract_7D5A4601F0A453CCAF5ACE85676B06D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average shares outstanding</link:label>
    <link:label id="lab_htld_WeightedAverageSharesOutstandingAbstract_F2439A0E6357CDDD6923FDFD047E6DC0_label_en-US" xlink:label="lab_htld_WeightedAverageSharesOutstandingAbstract_7D5A4601F0A453CCAF5ACE85676B06D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average shares outstanding [Abstract]</link:label>
    <link:label id="lab_htld_WeightedAverageSharesOutstandingAbstract_F2439A0E6357CDDD6923FDFD047E6DC0_documentation_en-US" xlink:label="lab_htld_WeightedAverageSharesOutstandingAbstract_7D5A4601F0A453CCAF5ACE85676B06D9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted average shares outstanding [Abstract]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_WeightedAverageSharesOutstandingAbstract" xlink:label="loc_htld_WeightedAverageSharesOutstandingAbstract_7D5A4601F0A453CCAF5ACE85676B06D9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_WeightedAverageSharesOutstandingAbstract_7D5A4601F0A453CCAF5ACE85676B06D9" xlink:to="lab_htld_WeightedAverageSharesOutstandingAbstract_7D5A4601F0A453CCAF5ACE85676B06D9" xlink:type="arc" />
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_C326D8DF7172E792D02DFDFD047EB422_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_AEA9528CB0CF55A0BD023630FFB3838E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_C326D8DF7172E792D02DFDFD047EB422_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_AEA9528CB0CF55A0BD023630FFB3838E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_AEA9528CB0CF55A0BD023630FFB3838E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_AEA9528CB0CF55A0BD023630FFB3838E" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_AEA9528CB0CF55A0BD023630FFB3838E" xlink:type="arc" />
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7A2578E68A669DE306D6FDFD047EBB8F_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_932C1AE83F3054AD92B142E67AC9AA5F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7A2578E68A669DE306D6FDFD047EBB8F_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_932C1AE83F3054AD92B142E67AC9AA5F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_932C1AE83F3054AD92B142E67AC9AA5F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_932C1AE83F3054AD92B142E67AC9AA5F" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_932C1AE83F3054AD92B142E67AC9AA5F" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockDividendsPerShareDeclared_69CE787352D62D9C2BFCFDFD047EA344_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared_16DE1486D1FE58968C2CA522F6E4329D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends declared per share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_16DE1486D1FE58968C2CA522F6E4329D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockDividendsPerShareDeclared_16DE1486D1FE58968C2CA522F6E4329D" xlink:to="lab_us-gaap_CommonStockDividendsPerShareDeclared_16DE1486D1FE58968C2CA522F6E4329D" xlink:type="arc" />
    <link:label id="lab_us-gaap_NumberOfReportableSegments_88E60DA5DCF557E64AE56AC9C8B0AE63_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfReportableSegments_88E60DA5DCF557E64AE56AC9C8B0AE63" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Segments</link:label>
    <link:label id="lab_us-gaap_NumberOfReportableSegments_88E60DA5DCF557E64AE56AC9C8B0AE63_label_en-US" xlink:label="lab_us-gaap_NumberOfReportableSegments_88E60DA5DCF557E64AE56AC9C8B0AE63" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Reportable Segments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="loc_us-gaap_NumberOfReportableSegments_88E60DA5DCF557E64AE56AC9C8B0AE63" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NumberOfReportableSegments_88E60DA5DCF557E64AE56AC9C8B0AE63" xlink:to="lab_us-gaap_NumberOfReportableSegments_88E60DA5DCF557E64AE56AC9C8B0AE63" xlink:type="arc" />
    <link:label id="lab_htld_BasisofPresentationAbstract_F5398F512A7634EDBBFB20AA27F0E905_label_en-US" xlink:label="lab_htld_BasisofPresentationAbstract_2634E0C735535F6C886ADEEB0CB5F045" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basis of Presentation [Abstract]</link:label>
    <link:label id="lab_htld_BasisofPresentationAbstract_F5398F512A7634EDBBFB20AA27F0E905_documentation_en-US" xlink:label="lab_htld_BasisofPresentationAbstract_2634E0C735535F6C886ADEEB0CB5F045" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Basis of Presentation [Abstract]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_BasisofPresentationAbstract" xlink:label="loc_htld_BasisofPresentationAbstract_2634E0C735535F6C886ADEEB0CB5F045" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_BasisofPresentationAbstract_2634E0C735535F6C886ADEEB0CB5F045" xlink:to="lab_htld_BasisofPresentationAbstract_2634E0C735535F6C886ADEEB0CB5F045" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_14D3AB76E09FD020679620AA27F01042_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_34CD9355E0D359189D4D3B5ABDB6A569" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis of Presentation</link:label>
    <link:label id="lab_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_14D3AB76E09FD020679620AA27F01042_label_en-US" xlink:label="lab_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_34CD9355E0D359189D4D3B5ABDB6A569" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Description and Basis of Presentation [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:label="loc_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_34CD9355E0D359189D4D3B5ABDB6A569" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_34CD9355E0D359189D4D3B5ABDB6A569" xlink:to="lab_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_34CD9355E0D359189D4D3B5ABDB6A569" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_41830FD558F12AB4F43A5AE1CEB212D3_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_41830FD558F12AB4F43A5AE1CEB212D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt</link:label>
    <link:label id="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_41830FD558F12AB4F43A5AE1CEB212D3_label_en-US" xlink:label="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_41830FD558F12AB4F43A5AE1CEB212D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Maturities of Long-term Debt [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_41830FD558F12AB4F43A5AE1CEB212D3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_41830FD558F12AB4F43A5AE1CEB212D3" xlink:to="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_41830FD558F12AB4F43A5AE1CEB212D3" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentTable_B9AC8753AA26035160AF6013C0FCD0C2_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_B9AC8753AA26035160AF6013C0FCD0C2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentTable_B9AC8753AA26035160AF6013C0FCD0C2_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_B9AC8753AA26035160AF6013C0FCD0C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_B9AC8753AA26035160AF6013C0FCD0C2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentTable_B9AC8753AA26035160AF6013C0FCD0C2" xlink:to="lab_us-gaap_DebtInstrumentTable_B9AC8753AA26035160AF6013C0FCD0C2" xlink:type="arc" />
    <link:label id="lab_us-gaap_VariableRateAxis_E09371F4D00E10A8D5706013C0FC17F4_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateAxis_E09371F4D00E10A8D5706013C0FC17F4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable Rate [Axis]</link:label>
    <link:label id="lab_us-gaap_VariableRateAxis_E09371F4D00E10A8D5706013C0FC17F4_label_en-US" xlink:label="lab_us-gaap_VariableRateAxis_E09371F4D00E10A8D5706013C0FC17F4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Rate [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_E09371F4D00E10A8D5706013C0FC17F4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateAxis_E09371F4D00E10A8D5706013C0FC17F4" xlink:to="lab_us-gaap_VariableRateAxis_E09371F4D00E10A8D5706013C0FC17F4" xlink:type="arc" />
    <link:label id="lab_us-gaap_VariableRateDomain_984B2DF9F3E1D391C4436013C0FCB47B_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateDomain_984B2DF9F3E1D391C4436013C0FCB47B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable Rate [Domain]</link:label>
    <link:label id="lab_us-gaap_VariableRateDomain_984B2DF9F3E1D391C4436013C0FCB47B_label_en-US" xlink:label="lab_us-gaap_VariableRateDomain_984B2DF9F3E1D391C4436013C0FCB47B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Rate [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_984B2DF9F3E1D391C4436013C0FCB47B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateDomain_984B2DF9F3E1D391C4436013C0FCB47B" xlink:to="lab_us-gaap_VariableRateDomain_984B2DF9F3E1D391C4436013C0FCB47B" xlink:type="arc" />
    <link:label id="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_4C7D2BDE6C94308EFD4C6013C0FC6FFE_terseLabel_en-US" xlink:label="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_4C7D2BDE6C94308EFD4C6013C0FC6FFE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">London Interbank Offered Rate (LIBOR) [Member]</link:label>
    <link:label id="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_4C7D2BDE6C94308EFD4C6013C0FC6FFE_label_en-US" xlink:label="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_4C7D2BDE6C94308EFD4C6013C0FC6FFE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">London Interbank Offered Rate (LIBOR) [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_4C7D2BDE6C94308EFD4C6013C0FC6FFE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_4C7D2BDE6C94308EFD4C6013C0FC6FFE" xlink:to="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_4C7D2BDE6C94308EFD4C6013C0FC6FFE" xlink:type="arc" />
    <link:label id="lab_us-gaap_PrimeRateMember_D0D6AF416C2019F198D26013C0FCC2F1_terseLabel_en-US" xlink:label="lab_us-gaap_PrimeRateMember_D0D6AF416C2019F198D26013C0FCC2F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prime Rate [Member]</link:label>
    <link:label id="lab_us-gaap_PrimeRateMember_D0D6AF416C2019F198D26013C0FCC2F1_label_en-US" xlink:label="lab_us-gaap_PrimeRateMember_D0D6AF416C2019F198D26013C0FCC2F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prime Rate [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PrimeRateMember" xlink:label="loc_us-gaap_PrimeRateMember_D0D6AF416C2019F198D26013C0FCC2F1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrimeRateMember_D0D6AF416C2019F198D26013C0FCC2F1" xlink:to="lab_us-gaap_PrimeRateMember_D0D6AF416C2019F198D26013C0FCC2F1" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_A72C250E07B61755A26D6013C0FC1865_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_A72C250E07B61755A26D6013C0FC1865" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_A72C250E07B61755A26D6013C0FC1865_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_A72C250E07B61755A26D6013C0FC1865" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_A72C250E07B61755A26D6013C0FC1865" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A72C250E07B61755A26D6013C0FC1865" xlink:to="lab_us-gaap_DebtInstrumentLineItems_A72C250E07B61755A26D6013C0FC1865" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtWeightedAverageInterestRate_661522E7E6DC2FE7A8AC6013C0FCFDB0_terseLabel_en-US" xlink:label="lab_us-gaap_DebtWeightedAverageInterestRate_661522E7E6DC2FE7A8AC6013C0FCFDB0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt, Weighted Average Interest Rate</link:label>
    <link:label id="lab_us-gaap_DebtWeightedAverageInterestRate_661522E7E6DC2FE7A8AC6013C0FCFDB0_label_en-US" xlink:label="lab_us-gaap_DebtWeightedAverageInterestRate_661522E7E6DC2FE7A8AC6013C0FCFDB0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt, Weighted Average Interest Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtWeightedAverageInterestRate" xlink:label="loc_us-gaap_DebtWeightedAverageInterestRate_661522E7E6DC2FE7A8AC6013C0FCFDB0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtWeightedAverageInterestRate_661522E7E6DC2FE7A8AC6013C0FCFDB0" xlink:to="lab_us-gaap_DebtWeightedAverageInterestRate_661522E7E6DC2FE7A8AC6013C0FCFDB0" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_0E28F535C618D50307446013C0FC0351_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_0E28F535C618D50307446013C0FC0351" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity, Current</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_0E28F535C618D50307446013C0FC0351_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_0E28F535C618D50307446013C0FC0351" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_0E28F535C618D50307446013C0FC0351" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_0E28F535C618D50307446013C0FC0351" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_0E28F535C618D50307446013C0FC0351" xlink:type="arc" />
    <link:label id="lab_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod2_2A315BEF26DBB4ADA0BF6013C0FC5724_terseLabel_en-US" xlink:label="lab_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod2_2A315BEF26DBB4ADA0BF6013C0FC5724" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity, Period 2</link:label>
    <link:label id="lab_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod2_2A315BEF26DBB4ADA0BF6013C0FC5724_label_en-US" xlink:label="lab_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod2_2A315BEF26DBB4ADA0BF6013C0FC5724" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity, Period 2</link:label>
    <link:label id="lab_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod2_2A315BEF26DBB4ADA0BF6013C0FC5724_documentation_en-US" xlink:label="lab_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod2_2A315BEF26DBB4ADA0BF6013C0FC5724" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity, Period 2</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod2" xlink:label="loc_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod2_2A315BEF26DBB4ADA0BF6013C0FC5724" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod2_2A315BEF26DBB4ADA0BF6013C0FC5724" xlink:to="lab_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod2_2A315BEF26DBB4ADA0BF6013C0FC5724" xlink:type="arc" />
    <link:label id="lab_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod3_EB6F5653FB0580D22A6D6013C0FC12AF_terseLabel_en-US" xlink:label="lab_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod3_EB6F5653FB0580D22A6D6013C0FC12AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity, Period 3</link:label>
    <link:label id="lab_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod3_EB6F5653FB0580D22A6D6013C0FC12AF_label_en-US" xlink:label="lab_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod3_EB6F5653FB0580D22A6D6013C0FC12AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity, Period 3</link:label>
    <link:label id="lab_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod3_EB6F5653FB0580D22A6D6013C0FC12AF_documentation_en-US" xlink:label="lab_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod3_EB6F5653FB0580D22A6D6013C0FC12AF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity, Period 3</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod3" xlink:label="loc_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod3_EB6F5653FB0580D22A6D6013C0FC12AF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod3_EB6F5653FB0580D22A6D6013C0FC12AF" xlink:to="lab_htld_LineofCreditFacilityMaximumBorrowingCapacityPeriod3_EB6F5653FB0580D22A6D6013C0FC12AF" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_4FE91D3E4E4633054D776013C0FC8ECE_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_4FE91D3E4E4633054D776013C0FC8ECE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Basis Spread on Variable Rate</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_4FE91D3E4E4633054D776013C0FC8ECE_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_4FE91D3E4E4633054D776013C0FC8ECE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Basis Spread on Variable Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_4FE91D3E4E4633054D776013C0FC8ECE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_4FE91D3E4E4633054D776013C0FC8ECE" xlink:to="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_4FE91D3E4E4633054D776013C0FC8ECE" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5F31EA773F81A1DA36236013C0FCD51A_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5F31EA773F81A1DA36236013C0FCD51A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Unused Capacity, Commitment Fee Percentage</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5F31EA773F81A1DA36236013C0FCD51A_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5F31EA773F81A1DA36236013C0FCD51A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Unused Capacity, Commitment Fee Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5F31EA773F81A1DA36236013C0FCD51A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5F31EA773F81A1DA36236013C0FCD51A" xlink:to="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_5F31EA773F81A1DA36236013C0FCD51A" xlink:type="arc" />
    <link:label id="lab_htld_DebtInstrumentCovenantLeverageRatio_B4A28D2206B39CD00C426013C0FCF598_terseLabel_en-US" xlink:label="lab_htld_DebtInstrumentCovenantLeverageRatio_B4A28D2206B39CD00C426013C0FCF598" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Covenant, Leverage Ratio</link:label>
    <link:label id="lab_htld_DebtInstrumentCovenantLeverageRatio_B4A28D2206B39CD00C426013C0FCF598_label_en-US" xlink:label="lab_htld_DebtInstrumentCovenantLeverageRatio_B4A28D2206B39CD00C426013C0FCF598" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Covenant, Leverage Ratio</link:label>
    <link:label id="lab_htld_DebtInstrumentCovenantLeverageRatio_B4A28D2206B39CD00C426013C0FCF598_documentation_en-US" xlink:label="lab_htld_DebtInstrumentCovenantLeverageRatio_B4A28D2206B39CD00C426013C0FCF598" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument, Covenant, Leverage Ratio</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_DebtInstrumentCovenantLeverageRatio" xlink:label="loc_htld_DebtInstrumentCovenantLeverageRatio_B4A28D2206B39CD00C426013C0FCF598" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_DebtInstrumentCovenantLeverageRatio_B4A28D2206B39CD00C426013C0FCF598" xlink:to="lab_htld_DebtInstrumentCovenantLeverageRatio_B4A28D2206B39CD00C426013C0FCF598" xlink:type="arc" />
    <link:label id="lab_htld_DebtCovenantMinimumNetIncomeRequirement_7D445B495CC6B2D4FE966013C0FCF790_terseLabel_en-US" xlink:label="lab_htld_DebtCovenantMinimumNetIncomeRequirement_7D445B495CC6B2D4FE966013C0FCF790" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Covenant, Minimum Net Income Requirement</link:label>
    <link:label id="lab_htld_DebtCovenantMinimumNetIncomeRequirement_7D445B495CC6B2D4FE966013C0FCF790_label_en-US" xlink:label="lab_htld_DebtCovenantMinimumNetIncomeRequirement_7D445B495CC6B2D4FE966013C0FCF790" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Covenant, Minimum Net Income Requirement</link:label>
    <link:label id="lab_htld_DebtCovenantMinimumNetIncomeRequirement_7D445B495CC6B2D4FE966013C0FCF790_documentation_en-US" xlink:label="lab_htld_DebtCovenantMinimumNetIncomeRequirement_7D445B495CC6B2D4FE966013C0FCF790" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Covenant, Minimum Net Income Requirement</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_DebtCovenantMinimumNetIncomeRequirement" xlink:label="loc_htld_DebtCovenantMinimumNetIncomeRequirement_7D445B495CC6B2D4FE966013C0FCF790" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_DebtCovenantMinimumNetIncomeRequirement_7D445B495CC6B2D4FE966013C0FCF790" xlink:to="lab_htld_DebtCovenantMinimumNetIncomeRequirement_7D445B495CC6B2D4FE966013C0FCF790" xlink:type="arc" />
    <link:label id="lab_htld_DebtCovenantMinimumTangibleNetWorth_5591B493D5CBFBB9F2C26013C0FC3695_terseLabel_en-US" xlink:label="lab_htld_DebtCovenantMinimumTangibleNetWorth_5591B493D5CBFBB9F2C26013C0FC3695" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Minimum Tangible Net Worth</link:label>
    <link:label id="lab_htld_DebtCovenantMinimumTangibleNetWorth_5591B493D5CBFBB9F2C26013C0FC3695_label_en-US" xlink:label="lab_htld_DebtCovenantMinimumTangibleNetWorth_5591B493D5CBFBB9F2C26013C0FC3695" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Covenant, Minimum Tangible Net Worth</link:label>
    <link:label id="lab_htld_DebtCovenantMinimumTangibleNetWorth_5591B493D5CBFBB9F2C26013C0FC3695_documentation_en-US" xlink:label="lab_htld_DebtCovenantMinimumTangibleNetWorth_5591B493D5CBFBB9F2C26013C0FC3695" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Covenant, Minimum Tangible Net Worth</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_DebtCovenantMinimumTangibleNetWorth" xlink:label="loc_htld_DebtCovenantMinimumTangibleNetWorth_5591B493D5CBFBB9F2C26013C0FC3695" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_DebtCovenantMinimumTangibleNetWorth_5591B493D5CBFBB9F2C26013C0FC3695" xlink:to="lab_htld_DebtCovenantMinimumTangibleNetWorth_5591B493D5CBFBB9F2C26013C0FC3695" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCredit_251F4C22BF60ABA473526013C0FCDC54_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_251F4C22BF60ABA473526013C0FCDC54" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt</link:label>
    <link:label id="lab_us-gaap_LineOfCredit_251F4C22BF60ABA473526013C0FCDC54_label_en-US" xlink:label="lab_us-gaap_LineOfCredit_251F4C22BF60ABA473526013C0FCDC54" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Line of Credit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_251F4C22BF60ABA473526013C0FCDC54" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCredit_251F4C22BF60ABA473526013C0FCDC54" xlink:to="lab_us-gaap_LineOfCredit_251F4C22BF60ABA473526013C0FCDC54" xlink:type="arc" />
    <link:label id="lab_htld_Lettersofcreditoutstandingonalineofcredit_CADC59B308F30DAC38536013C0FCA421_terseLabel_en-US" xlink:label="lab_htld_Lettersofcreditoutstandingonalineofcredit_CADC59B308F30DAC38536013C0FCA421" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">letters of credit outstanding on a line of credit</link:label>
    <link:label id="lab_htld_Lettersofcreditoutstandingonalineofcredit_CADC59B308F30DAC38536013C0FCA421_label_en-US" xlink:label="lab_htld_Lettersofcreditoutstandingonalineofcredit_CADC59B308F30DAC38536013C0FCA421" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">letters of credit outstanding on a line of credit</link:label>
    <link:label id="lab_htld_Lettersofcreditoutstandingonalineofcredit_CADC59B308F30DAC38536013C0FCA421_documentation_en-US" xlink:label="lab_htld_Lettersofcreditoutstandingonalineofcredit_CADC59B308F30DAC38536013C0FCA421" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">letters of credit outstanding on a line of credit</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_Lettersofcreditoutstandingonalineofcredit" xlink:label="loc_htld_Lettersofcreditoutstandingonalineofcredit_CADC59B308F30DAC38536013C0FCA421" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_Lettersofcreditoutstandingonalineofcredit_CADC59B308F30DAC38536013C0FCA421" xlink:to="lab_htld_Lettersofcreditoutstandingonalineofcredit_CADC59B308F30DAC38536013C0FCA421" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_662FB60581EE0ED03BA06013C0FC8164_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_662FB60581EE0ED03BA06013C0FC8164" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Remaining Borrowing Capacity</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_662FB60581EE0ED03BA06013C0FC8164_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_662FB60581EE0ED03BA06013C0FC8164" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Remaining Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_662FB60581EE0ED03BA06013C0FC8164" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_662FB60581EE0ED03BA06013C0FC8164" xlink:to="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_662FB60581EE0ED03BA06013C0FC8164" xlink:type="arc" />
    <link:label id="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_3E780EA1BBFDB5D750D420AA27E10C98_terseLabel_en-US" xlink:label="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_EE877911915557A9BFD4D240D9F516F5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of restricted stock award activity</link:label>
    <link:label id="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_3E780EA1BBFDB5D750D420AA27E10C98_label_en-US" xlink:label="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_EE877911915557A9BFD4D240D9F516F5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" xlink:label="loc_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_EE877911915557A9BFD4D240D9F516F5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_EE877911915557A9BFD4D240D9F516F5" xlink:to="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_EE877911915557A9BFD4D240D9F516F5" xlink:type="arc" />
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_12186BC550AE25DF7A4F6013C14C3FF4_verboseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_12186BC550AE25DF7A4F6013C14C3FF4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Basic EPS, Shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_12186BC550AE25DF7A4F6013C14C3FF4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_12186BC550AE25DF7A4F6013C14C3FF4" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_12186BC550AE25DF7A4F6013C14C3FF4" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareBasic_AD2D1DE4D49CA56D39636013C14C134A_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic_AD2D1DE4D49CA56D39636013C14C134A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Basic EPS, Per Share Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_AD2D1DE4D49CA56D39636013C14C134A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasic_AD2D1DE4D49CA56D39636013C14C134A" xlink:to="lab_us-gaap_EarningsPerShareBasic_AD2D1DE4D49CA56D39636013C14C134A" xlink:type="arc" />
    <link:label id="lab_us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits_0787D7CC41519AC9585A6013C14C9F64_terseLabel_en-US" xlink:label="lab_us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits_0787D7CC41519AC9585A6013C14C9F64" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect of restricted stock</link:label>
    <link:label id="lab_us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits_0787D7CC41519AC9585A6013C14C9F64_label_en-US" xlink:label="lab_us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits_0787D7CC41519AC9585A6013C14C9F64" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dilutive Securities, Effect on Basic Earnings Per Share, Options and Restrictive Stock Units</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits" xlink:label="loc_us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits_0787D7CC41519AC9585A6013C14C9F64" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits_0787D7CC41519AC9585A6013C14C9F64" xlink:to="lab_us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits_0787D7CC41519AC9585A6013C14C9F64" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_9A49E9D8542D72A8A7326013C14C110B_terseLabel_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_9A49E9D8542D72A8A7326013C14C110B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect of restricted stock, Shares</link:label>
    <link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_9A49E9D8542D72A8A7326013C14C110B_label_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_9A49E9D8542D72A8A7326013C14C110B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_9A49E9D8542D72A8A7326013C14C110B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_9A49E9D8542D72A8A7326013C14C110B" xlink:to="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_9A49E9D8542D72A8A7326013C14C110B" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_0723339328F5418EB1F96013C14C244D_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_0723339328F5418EB1F96013C14C244D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted EPS, Net Income</link:label>
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_0723339328F5418EB1F96013C14C244D_label_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_0723339328F5418EB1F96013C14C244D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Available to Common Stockholders, Diluted</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_0723339328F5418EB1F96013C14C244D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_0723339328F5418EB1F96013C14C244D" xlink:to="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_0723339328F5418EB1F96013C14C244D" xlink:type="arc" />
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_A4412C9367B66B021C466013C14C4DF4_verboseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_A4412C9367B66B021C466013C14C4DF4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Diluted EPS, Shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_A4412C9367B66B021C466013C14C4DF4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_A4412C9367B66B021C466013C14C4DF4" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_A4412C9367B66B021C466013C14C4DF4" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_E7CC5B527307B45A9EB76013C14C6FD9_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted_E7CC5B527307B45A9EB76013C14C6FD9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Diluted EPS, Per Share Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_E7CC5B527307B45A9EB76013C14C6FD9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareDiluted_E7CC5B527307B45A9EB76013C14C6FD9" xlink:to="lab_us-gaap_EarningsPerShareDiluted_E7CC5B527307B45A9EB76013C14C6FD9" xlink:type="arc" />
    <link:label id="lab_htld_IntangibleAssetsandGoodwillAbstract_6F8F3C2D8CECE88B5EEF20AA281F3401_label_en-US" xlink:label="lab_htld_IntangibleAssetsandGoodwillAbstract_E422D90E44005179AB18DA9B12C76E51" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible Assets and Goodwill [Abstract]</link:label>
    <link:label id="lab_htld_IntangibleAssetsandGoodwillAbstract_6F8F3C2D8CECE88B5EEF20AA281F3401_documentation_en-US" xlink:label="lab_htld_IntangibleAssetsandGoodwillAbstract_E422D90E44005179AB18DA9B12C76E51" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Intangible Assets and Goodwill [Abstract]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_IntangibleAssetsandGoodwillAbstract" xlink:label="loc_htld_IntangibleAssetsandGoodwillAbstract_E422D90E44005179AB18DA9B12C76E51" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_IntangibleAssetsandGoodwillAbstract_E422D90E44005179AB18DA9B12C76E51" xlink:to="lab_htld_IntangibleAssetsandGoodwillAbstract_E422D90E44005179AB18DA9B12C76E51" xlink:type="arc" />
    <link:label id="lab_us-gaap_Goodwill_1EEAC858BFD74F1D482420AA281F112E_periodStartLabel_en-US" xlink:label="lab_us-gaap_Goodwill_720180F739AD5A7484FB2F6C72E76B8A" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Goodwill, Beginning balance</link:label>
    <link:label id="lab_us-gaap_Goodwill_1EEAC858BFD74F1D482420AA281F112E_label_en-US" xlink:label="lab_us-gaap_Goodwill_720180F739AD5A7484FB2F6C72E76B8A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_720180F739AD5A7484FB2F6C72E76B8A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_720180F739AD5A7484FB2F6C72E76B8A" xlink:to="lab_us-gaap_Goodwill_720180F739AD5A7484FB2F6C72E76B8A" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillAcquiredDuringPeriod_F3087AEFA19337AE9CF820AA281F0FB9_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAcquiredDuringPeriod_4F042ED9E846540D99F4D577A5B2FED0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisitions</link:label>
    <link:label id="lab_us-gaap_GoodwillAcquiredDuringPeriod_F3087AEFA19337AE9CF820AA281F0FB9_label_en-US" xlink:label="lab_us-gaap_GoodwillAcquiredDuringPeriod_4F042ED9E846540D99F4D577A5B2FED0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill, Acquired During Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_4F042ED9E846540D99F4D577A5B2FED0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAcquiredDuringPeriod_4F042ED9E846540D99F4D577A5B2FED0" xlink:to="lab_us-gaap_GoodwillAcquiredDuringPeriod_4F042ED9E846540D99F4D577A5B2FED0" xlink:type="arc" />
    <link:label id="lab_us-gaap_Goodwill_41F3F8264C157CB2653120AA281FD891_periodEndLabel_en-US" xlink:label="lab_us-gaap_Goodwill_1C774DA5A89B5B508FD02782A520F241" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Goodwill, Ending Balance</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_1C774DA5A89B5B508FD02782A520F241" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_1C774DA5A89B5B508FD02782A520F241" xlink:to="lab_us-gaap_Goodwill_1C774DA5A89B5B508FD02782A520F241" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAbstract_9D6E0568A3C78A6F7B796013C1886AF1_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAbstract_9D6E0568A3C78A6F7B796013C1886AF1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAbstract" xlink:label="loc_us-gaap_CashAndCashEquivalentsAbstract_9D6E0568A3C78A6F7B796013C1886AF1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAbstract_9D6E0568A3C78A6F7B796013C1886AF1" xlink:to="lab_us-gaap_CashAndCashEquivalentsAbstract_9D6E0568A3C78A6F7B796013C1886AF1" xlink:type="arc" />
    <link:label id="lab_us-gaap_RestrictedCashAndCashEquivalents_8D4C3DEB03CA23D613526013C1882A83_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalents_8D4C3DEB03CA23D613526013C1882A83" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted Cash and Cash Equivalents</link:label>
    <link:label id="lab_us-gaap_RestrictedCashAndCashEquivalents_8D4C3DEB03CA23D613526013C1882A83_label_en-US" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalents_8D4C3DEB03CA23D613526013C1882A83" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Cash and Cash Equivalents</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalents" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_8D4C3DEB03CA23D613526013C1882A83" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalents_8D4C3DEB03CA23D613526013C1882A83" xlink:to="lab_us-gaap_RestrictedCashAndCashEquivalents_8D4C3DEB03CA23D613526013C1882A83" xlink:type="arc" />
    <link:label id="lab_us-gaap_RestrictedCashAndInvestmentsCurrent_C87292A400BE098AFEAC6013C1884D8F_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedCashAndInvestmentsCurrent_C87292A400BE098AFEAC6013C1884D8F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted Cash and Investments, Current</link:label>
    <link:label id="lab_us-gaap_RestrictedCashAndInvestmentsCurrent_C87292A400BE098AFEAC6013C1884D8F_label_en-US" xlink:label="lab_us-gaap_RestrictedCashAndInvestmentsCurrent_C87292A400BE098AFEAC6013C1884D8F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Cash and Investments, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndInvestmentsCurrent" xlink:label="loc_us-gaap_RestrictedCashAndInvestmentsCurrent_C87292A400BE098AFEAC6013C1884D8F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedCashAndInvestmentsCurrent_C87292A400BE098AFEAC6013C1884D8F" xlink:to="lab_us-gaap_RestrictedCashAndInvestmentsCurrent_C87292A400BE098AFEAC6013C1884D8F" xlink:type="arc" />
    <link:label id="lab_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_F584FBE76CBBFF4D03CF6013C188F33D_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_F584FBE76CBBFF4D03CF6013C188F33D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted Cash and Cash Equivalents, Noncurrent</link:label>
    <link:label id="lab_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_F584FBE76CBBFF4D03CF6013C188F33D_label_en-US" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_F584FBE76CBBFF4D03CF6013C188F33D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Cash and Cash Equivalents, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_F584FBE76CBBFF4D03CF6013C188F33D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_F584FBE76CBBFF4D03CF6013C188F33D" xlink:to="lab_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_F584FBE76CBBFF4D03CF6013C188F33D" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_B490CEBF5E84CFBD185D20AA284E55FA_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_B7294420986050DFBAB5C33D404D48D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_B7294420986050DFBAB5C33D404D48D0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_B7294420986050DFBAB5C33D404D48D0" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_B7294420986050DFBAB5C33D404D48D0" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_F1C6037A67360556FD4620AA284EDB18_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_E1B12EAE2FE653639CA01FBF4745F3F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies</link:label>
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_F1C6037A67360556FD4620AA284EDB18_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_E1B12EAE2FE653639CA01FBF4745F3F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_E1B12EAE2FE653639CA01FBF4745F3F1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_E1B12EAE2FE653639CA01FBF4745F3F1" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_E1B12EAE2FE653639CA01FBF4745F3F1" xlink:type="arc" />
    <link:label id="lab_htld_PropertyPlantandDepreciationAbstract_87BE08E91755B28695E96013C17491EB_label_en-US" xlink:label="lab_htld_PropertyPlantandDepreciationAbstract_87BE08E91755B28695E96013C17491EB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Depreciation [Abstract]</link:label>
    <link:label id="lab_htld_PropertyPlantandDepreciationAbstract_87BE08E91755B28695E96013C17491EB_documentation_en-US" xlink:label="lab_htld_PropertyPlantandDepreciationAbstract_87BE08E91755B28695E96013C17491EB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Property, Plant and Depreciation [Abstract]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_PropertyPlantandDepreciationAbstract" xlink:label="loc_htld_PropertyPlantandDepreciationAbstract_87BE08E91755B28695E96013C17491EB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_PropertyPlantandDepreciationAbstract_87BE08E91755B28695E96013C17491EB" xlink:to="lab_htld_PropertyPlantandDepreciationAbstract_87BE08E91755B28695E96013C17491EB" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_56B0D35F7078AD73D06A6013C174754F_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_56B0D35F7078AD73D06A6013C174754F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_56B0D35F7078AD73D06A6013C174754F_label_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_56B0D35F7078AD73D06A6013C174754F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_56B0D35F7078AD73D06A6013C174754F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_56B0D35F7078AD73D06A6013C174754F" xlink:to="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_56B0D35F7078AD73D06A6013C174754F" xlink:type="arc" />
    <link:label id="lab_htld_FinancialStatementLocationAxis_EABF7D4BF4A4387F10F26013C1745DE7_terseLabel_en-US" xlink:label="lab_htld_FinancialStatementLocationAxis_EABF7D4BF4A4387F10F26013C1745DE7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Statement Location [Axis]</link:label>
    <link:label id="lab_htld_FinancialStatementLocationAxis_EABF7D4BF4A4387F10F26013C1745DE7_label_en-US" xlink:label="lab_htld_FinancialStatementLocationAxis_EABF7D4BF4A4387F10F26013C1745DE7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Statement Location [Axis]</link:label>
    <link:label id="lab_htld_FinancialStatementLocationAxis_EABF7D4BF4A4387F10F26013C1745DE7_documentation_en-US" xlink:label="lab_htld_FinancialStatementLocationAxis_EABF7D4BF4A4387F10F26013C1745DE7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Statement Location [Axis]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_FinancialStatementLocationAxis" xlink:label="loc_htld_FinancialStatementLocationAxis_EABF7D4BF4A4387F10F26013C1745DE7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_FinancialStatementLocationAxis_EABF7D4BF4A4387F10F26013C1745DE7" xlink:to="lab_htld_FinancialStatementLocationAxis_EABF7D4BF4A4387F10F26013C1745DE7" xlink:type="arc" />
    <link:label id="lab_htld_FinancialStatementLocationDomain_091E98739DAAC95197676013C174CB43_terseLabel_en-US" xlink:label="lab_htld_FinancialStatementLocationDomain_091E98739DAAC95197676013C174CB43" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Statement Location [Domain]</link:label>
    <link:label id="lab_htld_FinancialStatementLocationDomain_091E98739DAAC95197676013C174CB43_label_en-US" xlink:label="lab_htld_FinancialStatementLocationDomain_091E98739DAAC95197676013C174CB43" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Statement Location [Domain]</link:label>
    <link:label id="lab_htld_FinancialStatementLocationDomain_091E98739DAAC95197676013C174CB43_documentation_en-US" xlink:label="lab_htld_FinancialStatementLocationDomain_091E98739DAAC95197676013C174CB43" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Statement Location [Domain]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_FinancialStatementLocationDomain" xlink:label="loc_htld_FinancialStatementLocationDomain_091E98739DAAC95197676013C174CB43" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_FinancialStatementLocationDomain_091E98739DAAC95197676013C174CB43" xlink:to="lab_htld_FinancialStatementLocationDomain_091E98739DAAC95197676013C174CB43" xlink:type="arc" />
    <link:label id="lab_htld_CommunicationsAndUtilitiesExpenseMember_D5CE4083FB5BBE277A486013C174C7A2_terseLabel_en-US" xlink:label="lab_htld_CommunicationsAndUtilitiesExpenseMember_D5CE4083FB5BBE277A486013C174C7A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Communications and Utilities Expense</link:label>
    <link:label id="lab_htld_CommunicationsAndUtilitiesExpenseMember_D5CE4083FB5BBE277A486013C174C7A2_label_en-US" xlink:label="lab_htld_CommunicationsAndUtilitiesExpenseMember_D5CE4083FB5BBE277A486013C174C7A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Communications and Utilities Expense [Member]</link:label>
    <link:label id="lab_htld_CommunicationsAndUtilitiesExpenseMember_D5CE4083FB5BBE277A486013C174C7A2_documentation_en-US" xlink:label="lab_htld_CommunicationsAndUtilitiesExpenseMember_D5CE4083FB5BBE277A486013C174C7A2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Communications and Utilities Expense [Member]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_CommunicationsAndUtilitiesExpenseMember" xlink:label="loc_htld_CommunicationsAndUtilitiesExpenseMember_D5CE4083FB5BBE277A486013C174C7A2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_CommunicationsAndUtilitiesExpenseMember_D5CE4083FB5BBE277A486013C174C7A2" xlink:to="lab_htld_CommunicationsAndUtilitiesExpenseMember_D5CE4083FB5BBE277A486013C174C7A2" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_193DAB2959FFECA175706013C17EA5B2_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_193DAB2959FFECA175706013C17EA5B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Axis]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_193DAB2959FFECA175706013C17EA5B2_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_193DAB2959FFECA175706013C17EA5B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_193DAB2959FFECA175706013C17EA5B2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_193DAB2959FFECA175706013C17EA5B2" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_193DAB2959FFECA175706013C17EA5B2" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_841A23370FD6FC8E43546013C17E80A2_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_841A23370FD6FC8E43546013C17E80A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_841A23370FD6FC8E43546013C17E80A2_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_841A23370FD6FC8E43546013C17E80A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_841A23370FD6FC8E43546013C17E80A2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_841A23370FD6FC8E43546013C17E80A2" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_841A23370FD6FC8E43546013C17E80A2" xlink:type="arc" />
    <link:label id="lab_htld_TractorsMember_E99BADEB3DD4ACABED5E6013C17E6AD3_terseLabel_en-US" xlink:label="lab_htld_TractorsMember_E99BADEB3DD4ACABED5E6013C17E6AD3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tractors</link:label>
    <link:label id="lab_htld_TractorsMember_E99BADEB3DD4ACABED5E6013C17E6AD3_label_en-US" xlink:label="lab_htld_TractorsMember_E99BADEB3DD4ACABED5E6013C17E6AD3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tractors [Member]</link:label>
    <link:label id="lab_htld_TractorsMember_E99BADEB3DD4ACABED5E6013C17E6AD3_documentation_en-US" xlink:label="lab_htld_TractorsMember_E99BADEB3DD4ACABED5E6013C17E6AD3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tractors [Member]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_TractorsMember" xlink:label="loc_htld_TractorsMember_E99BADEB3DD4ACABED5E6013C17E6AD3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_TractorsMember_E99BADEB3DD4ACABED5E6013C17E6AD3" xlink:to="lab_htld_TractorsMember_E99BADEB3DD4ACABED5E6013C17E6AD3" xlink:type="arc" />
    <link:label id="lab_htld_TrailersMember_8C3750030CE599EDA8936013C17EFEFD_terseLabel_en-US" xlink:label="lab_htld_TrailersMember_8C3750030CE599EDA8936013C17EFEFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trailers</link:label>
    <link:label id="lab_htld_TrailersMember_8C3750030CE599EDA8936013C17EFEFD_label_en-US" xlink:label="lab_htld_TrailersMember_8C3750030CE599EDA8936013C17EFEFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trailers [Member]</link:label>
    <link:label id="lab_htld_TrailersMember_8C3750030CE599EDA8936013C17EFEFD_documentation_en-US" xlink:label="lab_htld_TrailersMember_8C3750030CE599EDA8936013C17EFEFD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trailers [Member]</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_TrailersMember" xlink:label="loc_htld_TrailersMember_8C3750030CE599EDA8936013C17EFEFD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_TrailersMember_8C3750030CE599EDA8936013C17EFEFD" xlink:to="lab_htld_TrailersMember_8C3750030CE599EDA8936013C17EFEFD" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_9CA8EFD000E81A98AA736013C17E6011_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems_9CA8EFD000E81A98AA736013C17E6011" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Line Items]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_9CA8EFD000E81A98AA736013C17E6011_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems_9CA8EFD000E81A98AA736013C17E6011" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_9CA8EFD000E81A98AA736013C17E6011" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_9CA8EFD000E81A98AA736013C17E6011" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentLineItems_9CA8EFD000E81A98AA736013C17E6011" xlink:type="arc" />
    <link:label id="lab_htld_AmortizationPeriodOfTires_6E9BD1360D672BCEB7C06013C17E8C43_terseLabel_en-US" xlink:label="lab_htld_AmortizationPeriodOfTires_6E9BD1360D672BCEB7C06013C17E8C43" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization Period of Tires</link:label>
    <link:label id="lab_htld_AmortizationPeriodOfTires_6E9BD1360D672BCEB7C06013C17E8C43_label_en-US" xlink:label="lab_htld_AmortizationPeriodOfTires_6E9BD1360D672BCEB7C06013C17E8C43" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization Period of Tires</link:label>
    <link:label id="lab_htld_AmortizationPeriodOfTires_6E9BD1360D672BCEB7C06013C17E8C43_documentation_en-US" xlink:label="lab_htld_AmortizationPeriodOfTires_6E9BD1360D672BCEB7C06013C17E8C43" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortization Period of Tires</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_AmortizationPeriodOfTires" xlink:label="loc_htld_AmortizationPeriodOfTires_6E9BD1360D672BCEB7C06013C17E8C43" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_AmortizationPeriodOfTires_6E9BD1360D672BCEB7C06013C17E8C43" xlink:to="lab_htld_AmortizationPeriodOfTires_6E9BD1360D672BCEB7C06013C17E8C43" xlink:type="arc" />
    <link:label id="lab_us-gaap_Depreciation_6975935A33596BB5989D6013C17EAEB6_terseLabel_en-US" xlink:label="lab_us-gaap_Depreciation_6975935A33596BB5989D6013C17EAEB6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation</link:label>
    <link:label id="lab_us-gaap_Depreciation_6975935A33596BB5989D6013C17EAEB6_label_en-US" xlink:label="lab_us-gaap_Depreciation_6975935A33596BB5989D6013C17EAEB6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_6975935A33596BB5989D6013C17EAEB6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Depreciation_6975935A33596BB5989D6013C17EAEB6" xlink:to="lab_us-gaap_Depreciation_6975935A33596BB5989D6013C17EAEB6" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentSalvageValue_DB53E3EDC51AD97D09AE6013C17E34A1_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentSalvageValue_DB53E3EDC51AD97D09AE6013C17E34A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant, and Equipment, Salvage Value</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentSalvageValue_DB53E3EDC51AD97D09AE6013C17E34A1_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentSalvageValue_DB53E3EDC51AD97D09AE6013C17E34A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant, and Equipment, Salvage Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentSalvageValue" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentSalvageValue_DB53E3EDC51AD97D09AE6013C17E34A1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentSalvageValue_DB53E3EDC51AD97D09AE6013C17E34A1" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentSalvageValue_DB53E3EDC51AD97D09AE6013C17E34A1" xlink:type="arc" />
    <link:label id="lab_us-gaap_SubsequentEventsAbstract_5CDA3DE663BCA477259B20AA282F1D77_label_en-US" xlink:label="lab_us-gaap_SubsequentEventsAbstract_1FAFB83FDEA05E3BAFB2AE524740CEC4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Events [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="loc_us-gaap_SubsequentEventsAbstract_1FAFB83FDEA05E3BAFB2AE524740CEC4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventsAbstract_1FAFB83FDEA05E3BAFB2AE524740CEC4" xlink:to="lab_us-gaap_SubsequentEventsAbstract_1FAFB83FDEA05E3BAFB2AE524740CEC4" xlink:type="arc" />
    <link:label id="lab_us-gaap_SubsequentEventsTextBlock_AF7205E91B08057A0ACF20AA282F7E95_label_en-US" xlink:label="lab_us-gaap_SubsequentEventsTextBlock_D362BBA2906A5CF8A3A5AE55EEBE94C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Events [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="loc_us-gaap_SubsequentEventsTextBlock_D362BBA2906A5CF8A3A5AE55EEBE94C1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventsTextBlock_D362BBA2906A5CF8A3A5AE55EEBE94C1" xlink:to="lab_us-gaap_SubsequentEventsTextBlock_D362BBA2906A5CF8A3A5AE55EEBE94C1" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesOfLessorDisclosureTextBlock_10E53357BBD53C305DD820AA283E3EEC_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesOfLessorDisclosureTextBlock_576B9D5E9B755DDDBE3BB5E35AD53B92" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Leases</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesOfLessorDisclosureTextBlock_10E53357BBD53C305DD820AA283E3EEC_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesOfLessorDisclosureTextBlock_576B9D5E9B755DDDBE3BB5E35AD53B92" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases of Lessor Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesOfLessorDisclosureTextBlock" xlink:label="loc_us-gaap_OperatingLeasesOfLessorDisclosureTextBlock_576B9D5E9B755DDDBE3BB5E35AD53B92" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesOfLessorDisclosureTextBlock_576B9D5E9B755DDDBE3BB5E35AD53B92" xlink:to="lab_us-gaap_OperatingLeasesOfLessorDisclosureTextBlock_576B9D5E9B755DDDBE3BB5E35AD53B92" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOfFinancialPositionAbstract_AB8FDB40A2BA73C7828D70461E4CAF53_label_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract_AB8FDB40A2BA73C7828D70461E4CAF53" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Financial Position [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_AB8FDB40A2BA73C7828D70461E4CAF53" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_AB8FDB40A2BA73C7828D70461E4CAF53" xlink:to="lab_us-gaap_StatementOfFinancialPositionAbstract_AB8FDB40A2BA73C7828D70461E4CAF53" xlink:type="arc" />
    <link:label id="lab_us-gaap_AssetsAbstract_3DC28B8BF254CEC057D370461E4C99A7_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsAbstract_3DC28B8BF254CEC057D370461E4C99A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ASSETS</link:label>
    <link:label id="lab_us-gaap_AssetsAbstract_3DC28B8BF254CEC057D370461E4C99A7_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract_3DC28B8BF254CEC057D370461E4C99A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_3DC28B8BF254CEC057D370461E4C99A7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsAbstract_3DC28B8BF254CEC057D370461E4C99A7" xlink:to="lab_us-gaap_AssetsAbstract_3DC28B8BF254CEC057D370461E4C99A7" xlink:type="arc" />
    <link:label id="lab_us-gaap_AssetsCurrentAbstract_EC708A7E1E80638068BE70461E4C79DA_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_EC708A7E1E80638068BE70461E4C79DA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CURRENT ASSETS</link:label>
    <link:label id="lab_us-gaap_AssetsCurrentAbstract_EC708A7E1E80638068BE70461E4C79DA_label_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_EC708A7E1E80638068BE70461E4C79DA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets, Current [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_EC708A7E1E80638068BE70461E4C79DA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrentAbstract_EC708A7E1E80638068BE70461E4C79DA" xlink:to="lab_us-gaap_AssetsCurrentAbstract_EC708A7E1E80638068BE70461E4C79DA" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_C378B90C366205B65E3670461E4C8338_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_C378B90C366205B65E3670461E4C8338" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_C378B90C366205B65E3670461E4C8338" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_C378B90C366205B65E3670461E4C8338" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_C378B90C366205B65E3670461E4C8338" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccountsReceivableNetCurrent_A56C3CAE273EFD6913E170461E4C76E5_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_A56C3CAE273EFD6913E170461E4C76E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade receivables, net</link:label>
    <link:label id="lab_us-gaap_AccountsReceivableNetCurrent_A56C3CAE273EFD6913E170461E4C76E5_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_A56C3CAE273EFD6913E170461E4C76E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Receivable, Net, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_A56C3CAE273EFD6913E170461E4C76E5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_A56C3CAE273EFD6913E170461E4C76E5" xlink:to="lab_us-gaap_AccountsReceivableNetCurrent_A56C3CAE273EFD6913E170461E4C76E5" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherPrepaidExpenseCurrent_C6FEAC42127C0B475ACE70461E4C7F42_terseLabel_en-US" xlink:label="lab_us-gaap_OtherPrepaidExpenseCurrent_C6FEAC42127C0B475ACE70461E4C7F42" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepaid tires</link:label>
    <link:label id="lab_us-gaap_OtherPrepaidExpenseCurrent_C6FEAC42127C0B475ACE70461E4C7F42_label_en-US" xlink:label="lab_us-gaap_OtherPrepaidExpenseCurrent_C6FEAC42127C0B475ACE70461E4C7F42" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Prepaid Expense, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherPrepaidExpenseCurrent" xlink:label="loc_us-gaap_OtherPrepaidExpenseCurrent_C6FEAC42127C0B475ACE70461E4C7F42" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherPrepaidExpenseCurrent_C6FEAC42127C0B475ACE70461E4C7F42" xlink:to="lab_us-gaap_OtherPrepaidExpenseCurrent_C6FEAC42127C0B475ACE70461E4C7F42" xlink:type="arc" />
    <link:label id="lab_us-gaap_Supplies_8275607E8451D2DFA57170461E56456F_terseLabel_en-US" xlink:label="lab_us-gaap_Supplies_8275607E8451D2DFA57170461E56456F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepaid shop supplies</link:label>
    <link:label id="lab_us-gaap_Supplies_8275607E8451D2DFA57170461E56456F_label_en-US" xlink:label="lab_us-gaap_Supplies_8275607E8451D2DFA57170461E56456F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prepaid Supplies</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Supplies" xlink:label="loc_us-gaap_Supplies_8275607E8451D2DFA57170461E56456F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Supplies_8275607E8451D2DFA57170461E56456F" xlink:to="lab_us-gaap_Supplies_8275607E8451D2DFA57170461E56456F" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherAssetsCurrent_D090CCE0C6ED23A88EF470461E56A543_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent_D090CCE0C6ED23A88EF470461E56A543" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other current assets</link:label>
    <link:label id="lab_us-gaap_OtherAssetsCurrent_D090CCE0C6ED23A88EF470461E56A543_label_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent_D090CCE0C6ED23A88EF470461E56A543" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_D090CCE0C6ED23A88EF470461E56A543" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsCurrent_D090CCE0C6ED23A88EF470461E56A543" xlink:to="lab_us-gaap_OtherAssetsCurrent_D090CCE0C6ED23A88EF470461E56A543" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxesReceivable_E7713DD5422CA872641D70461E568C64_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesReceivable_E7713DD5422CA872641D70461E568C64" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax receivable</link:label>
    <link:label id="lab_us-gaap_IncomeTaxesReceivable_E7713DD5422CA872641D70461E568C64_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesReceivable_E7713DD5422CA872641D70461E568C64" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Taxes Receivable, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxesReceivable" xlink:label="loc_us-gaap_IncomeTaxesReceivable_E7713DD5422CA872641D70461E568C64" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxesReceivable_E7713DD5422CA872641D70461E568C64" xlink:to="lab_us-gaap_IncomeTaxesReceivable_E7713DD5422CA872641D70461E568C64" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredTaxAssetsNetCurrent_B97F78D5AE54A84F80F070461E56E4A4_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsNetCurrent_B97F78D5AE54A84F80F070461E56E4A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income taxes, net</link:label>
    <link:label id="lab_us-gaap_DeferredTaxAssetsNetCurrent_B97F78D5AE54A84F80F070461E56E4A4_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsNetCurrent_B97F78D5AE54A84F80F070461E56E4A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Net of Valuation Allowance, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsNetCurrent_B97F78D5AE54A84F80F070461E56E4A4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsNetCurrent_B97F78D5AE54A84F80F070461E56E4A4" xlink:to="lab_us-gaap_DeferredTaxAssetsNetCurrent_B97F78D5AE54A84F80F070461E56E4A4" xlink:type="arc" />
    <link:label id="lab_us-gaap_AssetsCurrent_3CEDCA0CEA351DACA75770461E564AC6_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrent_3CEDCA0CEA351DACA75770461E564AC6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current assets</link:label>
    <link:label id="lab_us-gaap_AssetsCurrent_3CEDCA0CEA351DACA75770461E564AC6_label_en-US" xlink:label="lab_us-gaap_AssetsCurrent_3CEDCA0CEA351DACA75770461E564AC6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_3CEDCA0CEA351DACA75770461E564AC6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrent_3CEDCA0CEA351DACA75770461E564AC6" xlink:to="lab_us-gaap_AssetsCurrent_3CEDCA0CEA351DACA75770461E564AC6" xlink:type="arc" />
    <link:label id="lab_us-gaap_AssetsNoncurrentAbstract_0206C1DADE65ADBFC52070461E5688A3_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsNoncurrentAbstract_0206C1DADE65ADBFC52070461E5688A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets, Noncurrent [Abstract]</link:label>
    <link:label id="lab_us-gaap_AssetsNoncurrentAbstract_0206C1DADE65ADBFC52070461E5688A3_label_en-US" xlink:label="lab_us-gaap_AssetsNoncurrentAbstract_0206C1DADE65ADBFC52070461E5688A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets, Noncurrent [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsNoncurrentAbstract" xlink:label="loc_us-gaap_AssetsNoncurrentAbstract_0206C1DADE65ADBFC52070461E5688A3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsNoncurrentAbstract_0206C1DADE65ADBFC52070461E5688A3" xlink:to="lab_us-gaap_AssetsNoncurrentAbstract_0206C1DADE65ADBFC52070461E5688A3" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGrossAbstract_7FA9811E8E3CC74FC02770461E562E71_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGrossAbstract_7FA9811E8E3CC74FC02770461E562E71" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PROPERTY AND EQUIPMENT</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGrossAbstract_7FA9811E8E3CC74FC02770461E562E71_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGrossAbstract_7FA9811E8E3CC74FC02770461E562E71" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Gross [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGrossAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGrossAbstract_7FA9811E8E3CC74FC02770461E562E71" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGrossAbstract_7FA9811E8E3CC74FC02770461E562E71" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentGrossAbstract_7FA9811E8E3CC74FC02770461E562E71" xlink:type="arc" />
    <link:label id="lab_us-gaap_LandAndLandImprovements_189F4504E3AD97AC67AE70461E568C99_terseLabel_en-US" xlink:label="lab_us-gaap_LandAndLandImprovements_189F4504E3AD97AC67AE70461E568C99" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Land and land improvements</link:label>
    <link:label id="lab_us-gaap_LandAndLandImprovements_189F4504E3AD97AC67AE70461E568C99_label_en-US" xlink:label="lab_us-gaap_LandAndLandImprovements_189F4504E3AD97AC67AE70461E568C99" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land and Land Improvements</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LandAndLandImprovements" xlink:label="loc_us-gaap_LandAndLandImprovements_189F4504E3AD97AC67AE70461E568C99" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LandAndLandImprovements_189F4504E3AD97AC67AE70461E568C99" xlink:to="lab_us-gaap_LandAndLandImprovements_189F4504E3AD97AC67AE70461E568C99" xlink:type="arc" />
    <link:label id="lab_us-gaap_BuildingsAndImprovementsGross_470C23877CDD1A9F42D470461E562071_terseLabel_en-US" xlink:label="lab_us-gaap_BuildingsAndImprovementsGross_470C23877CDD1A9F42D470461E562071" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Buildings</link:label>
    <link:label id="lab_us-gaap_BuildingsAndImprovementsGross_470C23877CDD1A9F42D470461E562071_label_en-US" xlink:label="lab_us-gaap_BuildingsAndImprovementsGross_470C23877CDD1A9F42D470461E562071" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Buildings and Improvements, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BuildingsAndImprovementsGross" xlink:label="loc_us-gaap_BuildingsAndImprovementsGross_470C23877CDD1A9F42D470461E562071" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BuildingsAndImprovementsGross_470C23877CDD1A9F42D470461E562071" xlink:to="lab_us-gaap_BuildingsAndImprovementsGross_470C23877CDD1A9F42D470461E562071" xlink:type="arc" />
    <link:label id="lab_us-gaap_LeaseholdImprovementsGross_994309606741F34EAD4070461E56D696_terseLabel_en-US" xlink:label="lab_us-gaap_LeaseholdImprovementsGross_994309606741F34EAD4070461E56D696" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leasehold improvements</link:label>
    <link:label id="lab_us-gaap_LeaseholdImprovementsGross_994309606741F34EAD4070461E56D696_label_en-US" xlink:label="lab_us-gaap_LeaseholdImprovementsGross_994309606741F34EAD4070461E56D696" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leasehold Improvements, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LeaseholdImprovementsGross" xlink:label="loc_us-gaap_LeaseholdImprovementsGross_994309606741F34EAD4070461E56D696" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseholdImprovementsGross_994309606741F34EAD4070461E56D696" xlink:to="lab_us-gaap_LeaseholdImprovementsGross_994309606741F34EAD4070461E56D696" xlink:type="arc" />
    <link:label id="lab_us-gaap_FurnitureAndFixturesGross_C4902E00CF83A2F2E70370461E565F71_terseLabel_en-US" xlink:label="lab_us-gaap_FurnitureAndFixturesGross_C4902E00CF83A2F2E70370461E565F71" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Furniture and fixtures</link:label>
    <link:label id="lab_us-gaap_FurnitureAndFixturesGross_C4902E00CF83A2F2E70370461E565F71_label_en-US" xlink:label="lab_us-gaap_FurnitureAndFixturesGross_C4902E00CF83A2F2E70370461E565F71" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Furniture and Fixtures, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FurnitureAndFixturesGross" xlink:label="loc_us-gaap_FurnitureAndFixturesGross_C4902E00CF83A2F2E70370461E565F71" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FurnitureAndFixturesGross_C4902E00CF83A2F2E70370461E565F71" xlink:to="lab_us-gaap_FurnitureAndFixturesGross_C4902E00CF83A2F2E70370461E565F71" xlink:type="arc" />
    <link:label id="lab_us-gaap_MachineryAndEquipmentGross_1FF2B9EFC90BF904994870461E5606DD_terseLabel_en-US" xlink:label="lab_us-gaap_MachineryAndEquipmentGross_1FF2B9EFC90BF904994870461E5606DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shop and service equipment</link:label>
    <link:label id="lab_us-gaap_MachineryAndEquipmentGross_1FF2B9EFC90BF904994870461E5606DD_label_en-US" xlink:label="lab_us-gaap_MachineryAndEquipmentGross_1FF2B9EFC90BF904994870461E5606DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Machinery and Equipment, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MachineryAndEquipmentGross" xlink:label="loc_us-gaap_MachineryAndEquipmentGross_1FF2B9EFC90BF904994870461E5606DD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MachineryAndEquipmentGross_1FF2B9EFC90BF904994870461E5606DD" xlink:to="lab_us-gaap_MachineryAndEquipmentGross_1FF2B9EFC90BF904994870461E5606DD" xlink:type="arc" />
    <link:label id="lab_htld_RevenueEquipment_0E28359A227EFEC091AE70461E567213_terseLabel_en-US" xlink:label="lab_htld_RevenueEquipment_0E28359A227EFEC091AE70461E567213" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue equipment</link:label>
    <link:label id="lab_htld_RevenueEquipment_0E28359A227EFEC091AE70461E567213_label_en-US" xlink:label="lab_htld_RevenueEquipment_0E28359A227EFEC091AE70461E567213" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">REVENUE EQUIPMENT</link:label>
    <link:label id="lab_htld_RevenueEquipment_0E28359A227EFEC091AE70461E567213_documentation_en-US" xlink:label="lab_htld_RevenueEquipment_0E28359A227EFEC091AE70461E567213" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Carrying amount at the balance sheet date for long lived physical assets used in the normal conduct of business and not intended for resale.  Revenue equipment includes tractors and trailers used for purposes of providing transportation services.</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_RevenueEquipment" xlink:label="loc_htld_RevenueEquipment_0E28359A227EFEC091AE70461E567213" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_RevenueEquipment_0E28359A227EFEC091AE70461E567213" xlink:to="lab_htld_RevenueEquipment_0E28359A227EFEC091AE70461E567213" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConstructionInProgressGross_C718AEEF9845CB69A08270461E568E9F_terseLabel_en-US" xlink:label="lab_us-gaap_ConstructionInProgressGross_C718AEEF9845CB69A08270461E568E9F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Construction in progress</link:label>
    <link:label id="lab_us-gaap_ConstructionInProgressGross_C718AEEF9845CB69A08270461E568E9F_label_en-US" xlink:label="lab_us-gaap_ConstructionInProgressGross_C718AEEF9845CB69A08270461E568E9F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Construction in Progress, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConstructionInProgressGross" xlink:label="loc_us-gaap_ConstructionInProgressGross_C718AEEF9845CB69A08270461E568E9F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConstructionInProgressGross_C718AEEF9845CB69A08270461E568E9F" xlink:to="lab_us-gaap_ConstructionInProgressGross_C718AEEF9845CB69A08270461E568E9F" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_EA556B03D34977CE7E2A70461E563C98_totalLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_EA556B03D34977CE7E2A70461E563C98" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Gross</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_EA556B03D34977CE7E2A70461E563C98_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_EA556B03D34977CE7E2A70461E563C98" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_EA556B03D34977CE7E2A70461E563C98" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_EA556B03D34977CE7E2A70461E563C98" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentGross_EA556B03D34977CE7E2A70461E563C98" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_1BCBA8D381FE614FF77170461E566B95_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_1BCBA8D381FE614FF77170461E566B95" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Less accumulated depreciation</link:label>
    <link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_1BCBA8D381FE614FF77170461E566B95_label_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_1BCBA8D381FE614FF77170461E566B95" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_1BCBA8D381FE614FF77170461E566B95" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_1BCBA8D381FE614FF77170461E566B95" xlink:to="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_1BCBA8D381FE614FF77170461E566B95" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_5424E2AC9AD9D139720F70461E56CD99_totalLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_5424E2AC9AD9D139720F70461E56CD99" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Property and equipment, net</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_5424E2AC9AD9D139720F70461E56CD99_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_5424E2AC9AD9D139720F70461E56CD99" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_5424E2AC9AD9D139720F70461E56CD99" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_5424E2AC9AD9D139720F70461E56CD99" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_5424E2AC9AD9D139720F70461E56CD99" xlink:type="arc" />
    <link:label id="lab_us-gaap_Goodwill_B1DEF391EC54A081442F70461E56E40F_terseLabel_en-US" xlink:label="lab_us-gaap_Goodwill_B1DEF391EC54A081442F70461E56E40F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">GOODWILL</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_B1DEF391EC54A081442F70461E56E40F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_B1DEF391EC54A081442F70461E56E40F" xlink:to="lab_us-gaap_Goodwill_B1DEF391EC54A081442F70461E56E40F" xlink:type="arc" />
    <link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_2105A55F548AE60B072970461E564CF5_terseLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_2105A55F548AE60B072970461E564CF5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OTHER INTANGIBLES, NET</link:label>
    <link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_2105A55F548AE60B072970461E564CF5_label_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_2105A55F548AE60B072970461E564CF5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible Assets, Net (Excluding Goodwill)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_2105A55F548AE60B072970461E564CF5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_2105A55F548AE60B072970461E564CF5" xlink:to="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_2105A55F548AE60B072970461E564CF5" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredIncomeTaxAssetsNet_C78F3A6B2DB88D0CE5B270461E560F0C_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxAssetsNet_C78F3A6B2DB88D0CE5B270461E560F0C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">DEFERRED INCOME TAXES, NET</link:label>
    <link:label id="lab_us-gaap_DeferredIncomeTaxAssetsNet_C78F3A6B2DB88D0CE5B270461E560F0C_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxAssetsNet_C78F3A6B2DB88D0CE5B270461E560F0C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Income Tax Assets, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_C78F3A6B2DB88D0CE5B270461E560F0C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxAssetsNet_C78F3A6B2DB88D0CE5B270461E560F0C" xlink:to="lab_us-gaap_DeferredIncomeTaxAssetsNet_C78F3A6B2DB88D0CE5B270461E560F0C" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherAssetsNoncurrent_AFEABE926B25DF89330470461E56E418_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_AFEABE926B25DF89330470461E56E418" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">OTHER ASSETS</link:label>
    <link:label id="lab_us-gaap_OtherAssetsNoncurrent_AFEABE926B25DF89330470461E56E418_label_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_AFEABE926B25DF89330470461E56E418" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_AFEABE926B25DF89330470461E56E418" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_AFEABE926B25DF89330470461E56E418" xlink:to="lab_us-gaap_OtherAssetsNoncurrent_AFEABE926B25DF89330470461E56E418" xlink:type="arc" />
    <link:label id="lab_us-gaap_Assets_B2047C4871189E56B70070461E56F266_totalLabel_en-US" xlink:label="lab_us-gaap_Assets_B2047C4871189E56B70070461E56F266" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_us-gaap_Assets_B2047C4871189E56B70070461E56F266_label_en-US" xlink:label="lab_us-gaap_Assets_B2047C4871189E56B70070461E56F266" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_B2047C4871189E56B70070461E56F266" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets_B2047C4871189E56B70070461E56F266" xlink:to="lab_us-gaap_Assets_B2047C4871189E56B70070461E56F266" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_A55F73171CB64AE0006A70461E560B35_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_A55F73171CB64AE0006A70461E560B35" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">LIABILITIES AND STOCKHOLDERS' EQUITY</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_A55F73171CB64AE0006A70461E560B35_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_A55F73171CB64AE0006A70461E560B35" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities and Equity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_A55F73171CB64AE0006A70461E560B35" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_A55F73171CB64AE0006A70461E560B35" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_A55F73171CB64AE0006A70461E560B35" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_7260608B639CBA85F27D70461E562A3E_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_7260608B639CBA85F27D70461E562A3E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CURRENT LIABILITIES</link:label>
    <link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_7260608B639CBA85F27D70461E562A3E_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_7260608B639CBA85F27D70461E562A3E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Current [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_7260608B639CBA85F27D70461E562A3E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_7260608B639CBA85F27D70461E562A3E" xlink:to="lab_us-gaap_LiabilitiesCurrentAbstract_7260608B639CBA85F27D70461E562A3E" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_14597A71EA50975F257370461E56352B_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_14597A71EA50975F257370461E56352B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable and accrued liabilities</link:label>
    <link:label id="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_14597A71EA50975F257370461E56352B_label_en-US" xlink:label="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_14597A71EA50975F257370461E56352B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable and Accrued Liabilities, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_14597A71EA50975F257370461E56352B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_14597A71EA50975F257370461E56352B" xlink:to="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_14597A71EA50975F257370461E56352B" xlink:type="arc" />
    <link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_86D2F19AF4283002E5F170461E564EC3_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_86D2F19AF4283002E5F170461E564EC3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Compensation and benefits</link:label>
    <link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_86D2F19AF4283002E5F170461E564EC3_label_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_86D2F19AF4283002E5F170461E564EC3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee-related Liabilities, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_86D2F19AF4283002E5F170461E564EC3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_86D2F19AF4283002E5F170461E564EC3" xlink:to="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_86D2F19AF4283002E5F170461E564EC3" xlink:type="arc" />
    <link:label id="lab_us-gaap_SelfInsuranceReserveCurrent_9DF8E96F8C1261E4AE3570461E568F09_terseLabel_en-US" xlink:label="lab_us-gaap_SelfInsuranceReserveCurrent_9DF8E96F8C1261E4AE3570461E568F09" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Insurance accruals</link:label>
    <link:label id="lab_us-gaap_SelfInsuranceReserveCurrent_9DF8E96F8C1261E4AE3570461E568F09_label_en-US" xlink:label="lab_us-gaap_SelfInsuranceReserveCurrent_9DF8E96F8C1261E4AE3570461E568F09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Self Insurance Reserve, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SelfInsuranceReserveCurrent" xlink:label="loc_us-gaap_SelfInsuranceReserveCurrent_9DF8E96F8C1261E4AE3570461E568F09" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SelfInsuranceReserveCurrent_9DF8E96F8C1261E4AE3570461E568F09" xlink:to="lab_us-gaap_SelfInsuranceReserveCurrent_9DF8E96F8C1261E4AE3570461E568F09" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherAccruedLiabilitiesCurrent_2FFBE699DC74744DA37D70461E5660C6_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAccruedLiabilitiesCurrent_2FFBE699DC74744DA37D70461E5660C6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other accruals</link:label>
    <link:label id="lab_us-gaap_OtherAccruedLiabilitiesCurrent_2FFBE699DC74744DA37D70461E5660C6_label_en-US" xlink:label="lab_us-gaap_OtherAccruedLiabilitiesCurrent_2FFBE699DC74744DA37D70461E5660C6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Accrued Liabilities, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_2FFBE699DC74744DA37D70461E5660C6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAccruedLiabilitiesCurrent_2FFBE699DC74744DA37D70461E5660C6" xlink:to="lab_us-gaap_OtherAccruedLiabilitiesCurrent_2FFBE699DC74744DA37D70461E5660C6" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesCurrent_7A3857BDF1571875671E70461E563C0A_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_7A3857BDF1571875671E70461E563C0A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current liabilities</link:label>
    <link:label id="lab_us-gaap_LiabilitiesCurrent_7A3857BDF1571875671E70461E563C0A_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_7A3857BDF1571875671E70461E563C0A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_7A3857BDF1571875671E70461E563C0A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrent_7A3857BDF1571875671E70461E563C0A" xlink:to="lab_us-gaap_LiabilitiesCurrent_7A3857BDF1571875671E70461E563C0A" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesNoncurrentAbstract_BB4014E878074A96587470461E5691F9_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesNoncurrentAbstract_BB4014E878074A96587470461E5691F9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">LONG-TERM LIABILITIES</link:label>
    <link:label id="lab_us-gaap_LiabilitiesNoncurrentAbstract_BB4014E878074A96587470461E5691F9_label_en-US" xlink:label="lab_us-gaap_LiabilitiesNoncurrentAbstract_BB4014E878074A96587470461E5691F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Noncurrent [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesNoncurrentAbstract_BB4014E878074A96587470461E5691F9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesNoncurrentAbstract_BB4014E878074A96587470461E5691F9" xlink:to="lab_us-gaap_LiabilitiesNoncurrentAbstract_BB4014E878074A96587470461E5691F9" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccruedIncomeTaxesNoncurrent_CE98EE3E5D06C86E14CB70461E5626B2_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedIncomeTaxesNoncurrent_CE98EE3E5D06C86E14CB70461E5626B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income taxes payable</link:label>
    <link:label id="lab_us-gaap_AccruedIncomeTaxesNoncurrent_CE98EE3E5D06C86E14CB70461E5626B2_label_en-US" xlink:label="lab_us-gaap_AccruedIncomeTaxesNoncurrent_CE98EE3E5D06C86E14CB70461E5626B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued Income Taxes, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccruedIncomeTaxesNoncurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesNoncurrent_CE98EE3E5D06C86E14CB70461E5626B2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccruedIncomeTaxesNoncurrent_CE98EE3E5D06C86E14CB70461E5626B2" xlink:to="lab_us-gaap_AccruedIncomeTaxesNoncurrent_CE98EE3E5D06C86E14CB70461E5626B2" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_0F6B75F221D963D5203570461E56C225_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_0F6B75F221D963D5203570461E56C225" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt</link:label>
    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_0F6B75F221D963D5203570461E56C225_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_0F6B75F221D963D5203570461E56C225" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Excluding Current Maturities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_0F6B75F221D963D5203570461E56C225" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtNoncurrent_0F6B75F221D963D5203570461E56C225" xlink:to="lab_us-gaap_LongTermDebtNoncurrent_0F6B75F221D963D5203570461E56C225" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_DBD6EFA27C88E428D2FF70461E56E4EE_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_DBD6EFA27C88E428D2FF70461E56E4EE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income taxes, net</link:label>
    <link:label id="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_DBD6EFA27C88E428D2FF70461E56E4EE_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_DBD6EFA27C88E428D2FF70461E56E4EE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Net, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_DBD6EFA27C88E428D2FF70461E56E4EE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_DBD6EFA27C88E428D2FF70461E56E4EE" xlink:to="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_DBD6EFA27C88E428D2FF70461E56E4EE" xlink:type="arc" />
    <link:label id="lab_us-gaap_SelfInsuranceReserveNoncurrent_5ECD9584CABA9E30E0F370461E561493_terseLabel_en-US" xlink:label="lab_us-gaap_SelfInsuranceReserveNoncurrent_5ECD9584CABA9E30E0F370461E561493" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Insurance accruals less current portion</link:label>
    <link:label id="lab_us-gaap_SelfInsuranceReserveNoncurrent_5ECD9584CABA9E30E0F370461E561493_label_en-US" xlink:label="lab_us-gaap_SelfInsuranceReserveNoncurrent_5ECD9584CABA9E30E0F370461E561493" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Self Insurance Reserve, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SelfInsuranceReserveNoncurrent" xlink:label="loc_us-gaap_SelfInsuranceReserveNoncurrent_5ECD9584CABA9E30E0F370461E561493" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SelfInsuranceReserveNoncurrent_5ECD9584CABA9E30E0F370461E561493" xlink:to="lab_us-gaap_SelfInsuranceReserveNoncurrent_5ECD9584CABA9E30E0F370461E561493" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_BB1EAEA129409FE2981A70461E567F58_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_BB1EAEA129409FE2981A70461E567F58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other long-term liabilities</link:label>
    <link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_BB1EAEA129409FE2981A70461E567F58_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_BB1EAEA129409FE2981A70461E567F58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_BB1EAEA129409FE2981A70461E567F58" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_BB1EAEA129409FE2981A70461E567F58" xlink:to="lab_us-gaap_OtherLiabilitiesNoncurrent_BB1EAEA129409FE2981A70461E567F58" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesNoncurrent_C4885AB78707573A667070461E56C0E6_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesNoncurrent_C4885AB78707573A667070461E56C0E6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total long-term liabilities</link:label>
    <link:label id="lab_us-gaap_LiabilitiesNoncurrent_C4885AB78707573A667070461E56C0E6_label_en-US" xlink:label="lab_us-gaap_LiabilitiesNoncurrent_C4885AB78707573A667070461E56C0E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_C4885AB78707573A667070461E56C0E6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_C4885AB78707573A667070461E56C0E6" xlink:to="lab_us-gaap_LiabilitiesNoncurrent_C4885AB78707573A667070461E56C0E6" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommitmentsAndContingencies_4D37A5DB8FBAF85B8E8F70461E56C1FD_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_4D37A5DB8FBAF85B8E8F70461E56C1FD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">COMMITMENTS AND CONTINGENCIES (Note 14)</link:label>
    <link:label id="lab_us-gaap_CommitmentsAndContingencies_4D37A5DB8FBAF85B8E8F70461E56C1FD_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_4D37A5DB8FBAF85B8E8F70461E56C1FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_4D37A5DB8FBAF85B8E8F70461E56C1FD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingencies_4D37A5DB8FBAF85B8E8F70461E56C1FD" xlink:to="lab_us-gaap_CommitmentsAndContingencies_4D37A5DB8FBAF85B8E8F70461E56C1FD" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquityAbstract_AA0CCD0F1C5632793CAB70461E5681D9_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_AA0CCD0F1C5632793CAB70461E5681D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">STOCKHOLDERS' EQUITY</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_AA0CCD0F1C5632793CAB70461E5681D9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityAbstract_AA0CCD0F1C5632793CAB70461E5681D9" xlink:to="lab_us-gaap_StockholdersEquityAbstract_AA0CCD0F1C5632793CAB70461E5681D9" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockValue_37BDCCA96C0EBE4C860370461E5611CC_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockValue_37BDCCA96C0EBE4C860370461E5611CC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock, par value $.01; authorized 5,000 shares; none issued</link:label>
    <link:label id="lab_us-gaap_PreferredStockValue_37BDCCA96C0EBE4C860370461E5611CC_label_en-US" xlink:label="lab_us-gaap_PreferredStockValue_37BDCCA96C0EBE4C860370461E5611CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Value, Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_37BDCCA96C0EBE4C860370461E5611CC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockValue_37BDCCA96C0EBE4C860370461E5611CC" xlink:to="lab_us-gaap_PreferredStockValue_37BDCCA96C0EBE4C860370461E5611CC" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockValue_6D7F1AA31F606A3C3A7970461E56F483_verboseLabel_en-US" xlink:label="lab_us-gaap_CommonStockValue_6D7F1AA31F606A3C3A7970461E56F483" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Capital stock, common, $.01 par value; authorized 395,000 shares; issued 90,689 in 2016 and 2015; outstanding 83,279 in 2016 and 84,115 in 2015, respectively</link:label>
    <link:label id="lab_us-gaap_CommonStockValue_6D7F1AA31F606A3C3A7970461E56F483_label_en-US" xlink:label="lab_us-gaap_CommonStockValue_6D7F1AA31F606A3C3A7970461E56F483" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Value, Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_6D7F1AA31F606A3C3A7970461E56F483" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockValue_6D7F1AA31F606A3C3A7970461E56F483" xlink:to="lab_us-gaap_CommonStockValue_6D7F1AA31F606A3C3A7970461E56F483" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_E97CBCBF6F576F930BC570461E56B166_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock_E97CBCBF6F576F930BC570461E56B166" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional paid-in capital</link:label>
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_E97CBCBF6F576F930BC570461E56B166_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock_E97CBCBF6F576F930BC570461E56B166" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Paid in Capital, Common Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_E97CBCBF6F576F930BC570461E56B166" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalCommonStock_E97CBCBF6F576F930BC570461E56B166" xlink:to="lab_us-gaap_AdditionalPaidInCapitalCommonStock_E97CBCBF6F576F930BC570461E56B166" xlink:type="arc" />
    <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_369F237F86FDB940F72B70461E562035_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_369F237F86FDB940F72B70461E562035" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained earnings</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_369F237F86FDB940F72B70461E562035_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_369F237F86FDB940F72B70461E562035" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings (Accumulated Deficit)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_369F237F86FDB940F72B70461E562035" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsAccumulatedDeficit_369F237F86FDB940F72B70461E562035" xlink:to="lab_us-gaap_RetainedEarningsAccumulatedDeficit_369F237F86FDB940F72B70461E562035" xlink:type="arc" />
    <link:label id="lab_us-gaap_TreasuryStockValue_E5E75D8C8397404C444F70461E56ABC1_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockValue_E5E75D8C8397404C444F70461E56ABC1" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Treasury stock, at cost; 7,410 shares in 2016 and 6,574 in 2015, respectively</link:label>
    <link:label id="lab_us-gaap_TreasuryStockValue_E5E75D8C8397404C444F70461E56ABC1_label_en-US" xlink:label="lab_us-gaap_TreasuryStockValue_E5E75D8C8397404C444F70461E56ABC1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Stock, Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_E5E75D8C8397404C444F70461E56ABC1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockValue_E5E75D8C8397404C444F70461E56ABC1" xlink:to="lab_us-gaap_TreasuryStockValue_E5E75D8C8397404C444F70461E56ABC1" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquity_0AB580E9139C4F3829B770461E564541_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_0AB580E9139C4F3829B770461E564541" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_0AB580E9139C4F3829B770461E564541" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity_0AB580E9139C4F3829B770461E564541" xlink:to="lab_us-gaap_StockholdersEquity_0AB580E9139C4F3829B770461E564541" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_240017E3EB96139D381970461E60653D_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_240017E3EB96139D381970461E60653D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Liabilities and Stockholders' Equity</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_240017E3EB96139D381970461E60653D_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_240017E3EB96139D381970461E60653D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities and Equity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_240017E3EB96139D381970461E60653D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_240017E3EB96139D381970461E60653D" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquity_240017E3EB96139D381970461E60653D" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_24A682C4BC95CBD641C670461C8A30D0_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_24A682C4BC95CBD641C670461C8A30D0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Related Party Transactions, by Related Party [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_24A682C4BC95CBD641C670461C8A30D0_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_24A682C4BC95CBD641C670461C8A30D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Related Party Transactions, by Related Party [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_24A682C4BC95CBD641C670461C8A30D0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_24A682C4BC95CBD641C670461C8A30D0" xlink:to="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_24A682C4BC95CBD641C670461C8A30D0" xlink:type="arc" />
    <link:label id="lab_us-gaap_RelatedPartyTransactionLineItems_BD0D9B0E6B1E9D61CB6B70461C8A5EA5_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionLineItems_BD0D9B0E6B1E9D61CB6B70461C8A5EA5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Line Items]</link:label>
    <link:label id="lab_us-gaap_RelatedPartyTransactionLineItems_BD0D9B0E6B1E9D61CB6B70461C8A5EA5_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionLineItems_BD0D9B0E6B1E9D61CB6B70461C8A5EA5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_BD0D9B0E6B1E9D61CB6B70461C8A5EA5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_BD0D9B0E6B1E9D61CB6B70461C8A5EA5" xlink:to="lab_us-gaap_RelatedPartyTransactionLineItems_BD0D9B0E6B1E9D61CB6B70461C8A5EA5" xlink:type="arc" />
    <link:label id="lab_us-gaap_DueToRelatedPartiesCurrent_4DCE02F7FC8F1948ACBC70461C8ACA48_terseLabel_en-US" xlink:label="lab_us-gaap_DueToRelatedPartiesCurrent_4DCE02F7FC8F1948ACBC70461C8ACA48" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due to Related Parties, Current</link:label>
    <link:label id="lab_us-gaap_DueToRelatedPartiesCurrent_4DCE02F7FC8F1948ACBC70461C8ACA48_label_en-US" xlink:label="lab_us-gaap_DueToRelatedPartiesCurrent_4DCE02F7FC8F1948ACBC70461C8ACA48" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due to Related Parties, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DueToRelatedPartiesCurrent" xlink:label="loc_us-gaap_DueToRelatedPartiesCurrent_4DCE02F7FC8F1948ACBC70461C8ACA48" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DueToRelatedPartiesCurrent_4DCE02F7FC8F1948ACBC70461C8ACA48" xlink:to="lab_us-gaap_DueToRelatedPartiesCurrent_4DCE02F7FC8F1948ACBC70461C8ACA48" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireMachineryAndEquipment_D3399073838C07777E8E70461C8A6195_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireMachineryAndEquipment_D3399073838C07777E8E70461C8A6195" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payments for tractor purchase</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireMachineryAndEquipment_D3399073838C07777E8E70461C8A6195_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireMachineryAndEquipment_D3399073838C07777E8E70461C8A6195" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Machinery and Equipment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireMachineryAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquireMachineryAndEquipment_D3399073838C07777E8E70461C8A6195" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireMachineryAndEquipment_D3399073838C07777E8E70461C8A6195" xlink:to="lab_us-gaap_PaymentsToAcquireMachineryAndEquipment_D3399073838C07777E8E70461C8A6195" xlink:type="arc" />
    <link:label id="lab_htld_FairValueOfRevenueEquipmentTraded_5A0CF8B42DA0BC7419B670461C8ADEE6_verboseLabel_en-US" xlink:label="lab_htld_FairValueOfRevenueEquipmentTraded_5A0CF8B42DA0BC7419B670461C8ADEE6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Receipts for tractor sales</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_FairValueOfRevenueEquipmentTraded" xlink:label="loc_htld_FairValueOfRevenueEquipmentTraded_5A0CF8B42DA0BC7419B670461C8ADEE6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_FairValueOfRevenueEquipmentTraded_5A0CF8B42DA0BC7419B670461C8ADEE6" xlink:to="lab_htld_FairValueOfRevenueEquipmentTraded_5A0CF8B42DA0BC7419B670461C8ADEE6" xlink:type="arc" />
    <link:label id="lab_htld_Receiptsfortrailersales_F89015741739BC798D0670461C8A5F8C_negatedTerseLabel_en-US" xlink:label="lab_htld_Receiptsfortrailersales_F89015741739BC798D0670461C8A5F8C" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Receipts for trailer sales</link:label>
    <link:label id="lab_htld_Receiptsfortrailersales_F89015741739BC798D0670461C8A5F8C_label_en-US" xlink:label="lab_htld_Receiptsfortrailersales_F89015741739BC798D0670461C8A5F8C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receipts for trailer sales</link:label>
    <link:label id="lab_htld_Receiptsfortrailersales_F89015741739BC798D0670461C8A5F8C_documentation_en-US" xlink:label="lab_htld_Receiptsfortrailersales_F89015741739BC798D0670461C8A5F8C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Receipts for trailer sales</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_Receiptsfortrailersales" xlink:label="loc_htld_Receiptsfortrailersales_F89015741739BC798D0670461C8A5F8C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_Receiptsfortrailersales_F89015741739BC798D0670461C8A5F8C" xlink:to="lab_htld_Receiptsfortrailersales_F89015741739BC798D0670461C8A5F8C" xlink:type="arc" />
    <link:label id="lab_htld_Paymentsforpartsandservices_43ED37DABB7B9FBBF8D270461C8AE901_terseLabel_en-US" xlink:label="lab_htld_Paymentsforpartsandservices_43ED37DABB7B9FBBF8D270461C8AE901" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payments for parts and services</link:label>
    <link:label id="lab_htld_Paymentsforpartsandservices_43ED37DABB7B9FBBF8D270461C8AE901_label_en-US" xlink:label="lab_htld_Paymentsforpartsandservices_43ED37DABB7B9FBBF8D270461C8AE901" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for parts and services</link:label>
    <link:label id="lab_htld_Paymentsforpartsandservices_43ED37DABB7B9FBBF8D270461C8AE901_documentation_en-US" xlink:label="lab_htld_Paymentsforpartsandservices_43ED37DABB7B9FBBF8D270461C8AE901" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payments for parts and services</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_Paymentsforpartsandservices" xlink:label="loc_htld_Paymentsforpartsandservices_43ED37DABB7B9FBBF8D270461C8AE901" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_Paymentsforpartsandservices_43ED37DABB7B9FBBF8D270461C8AE901" xlink:to="lab_htld_Paymentsforpartsandservices_43ED37DABB7B9FBBF8D270461C8AE901" xlink:type="arc" />
    <link:label id="lab_us-gaap_DueFromRelatedPartiesCurrent_7D7E0BD70F59B1B455C970461C8AE969_terseLabel_en-US" xlink:label="lab_us-gaap_DueFromRelatedPartiesCurrent_7D7E0BD70F59B1B455C970461C8AE969" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due from Related Parties, Current</link:label>
    <link:label id="lab_us-gaap_DueFromRelatedPartiesCurrent_7D7E0BD70F59B1B455C970461C8AE969_label_en-US" xlink:label="lab_us-gaap_DueFromRelatedPartiesCurrent_7D7E0BD70F59B1B455C970461C8AE969" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due from Related Parties, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DueFromRelatedPartiesCurrent" xlink:label="loc_us-gaap_DueFromRelatedPartiesCurrent_7D7E0BD70F59B1B455C970461C8AE969" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DueFromRelatedPartiesCurrent_7D7E0BD70F59B1B455C970461C8AE969" xlink:to="lab_us-gaap_DueFromRelatedPartiesCurrent_7D7E0BD70F59B1B455C970461C8AE969" xlink:type="arc" />
    <link:label id="lab_us-gaap_CostsAndExpensesRelatedParty_A6D51BF25C5E5E7B350D70461C8A53AE_terseLabel_en-US" xlink:label="lab_us-gaap_CostsAndExpensesRelatedParty_A6D51BF25C5E5E7B350D70461C8A53AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Costs and Expenses, Related Party</link:label>
    <link:label id="lab_us-gaap_CostsAndExpensesRelatedParty_A6D51BF25C5E5E7B350D70461C8A53AE_label_en-US" xlink:label="lab_us-gaap_CostsAndExpensesRelatedParty_A6D51BF25C5E5E7B350D70461C8A53AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Costs and Expenses, Related Party</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostsAndExpensesRelatedParty" xlink:label="loc_us-gaap_CostsAndExpensesRelatedParty_A6D51BF25C5E5E7B350D70461C8A53AE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAndExpensesRelatedParty_A6D51BF25C5E5E7B350D70461C8A53AE" xlink:to="lab_us-gaap_CostsAndExpensesRelatedParty_A6D51BF25C5E5E7B350D70461C8A53AE" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_9380844EF64DD3FB364E6013C0A2633D_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_9380844EF64DD3FB364E6013C0A2633D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrecorded Unconditional Purchase Obligation</link:label>
    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_9380844EF64DD3FB364E6013C0A2633D_label_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_9380844EF64DD3FB364E6013C0A2633D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecorded Unconditional Purchase Obligation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_9380844EF64DD3FB364E6013C0A2633D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_9380844EF64DD3FB364E6013C0A2633D" xlink:to="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_9380844EF64DD3FB364E6013C0A2633D" xlink:type="arc" />
    <link:label id="lab_htld_Relatedpartyterminalpurchasecommitment_D7256BDF5EFC83C646C26013C0A216C8_terseLabel_en-US" xlink:label="lab_htld_Relatedpartyterminalpurchasecommitment_D7256BDF5EFC83C646C26013C0A216C8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">related party terminal purchase commitment</link:label>
    <link:label id="lab_htld_Relatedpartyterminalpurchasecommitment_D7256BDF5EFC83C646C26013C0A216C8_label_en-US" xlink:label="lab_htld_Relatedpartyterminalpurchasecommitment_D7256BDF5EFC83C646C26013C0A216C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">related party terminal purchase commitment</link:label>
    <link:label id="lab_htld_Relatedpartyterminalpurchasecommitment_D7256BDF5EFC83C646C26013C0A216C8_documentation_en-US" xlink:label="lab_htld_Relatedpartyterminalpurchasecommitment_D7256BDF5EFC83C646C26013C0A216C8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">related party terminal purchase commitment</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_Relatedpartyterminalpurchasecommitment" xlink:label="loc_htld_Relatedpartyterminalpurchasecommitment_D7256BDF5EFC83C646C26013C0A216C8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_Relatedpartyterminalpurchasecommitment_D7256BDF5EFC83C646C26013C0A216C8" xlink:to="lab_htld_Relatedpartyterminalpurchasecommitment_D7256BDF5EFC83C646C26013C0A216C8" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_2BB62E3C2AB5CCA5ECB070036416F115_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_2BB62E3C2AB5CCA5ECB070036416F115" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis of Presentation [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_2BB62E3C2AB5CCA5ECB070036416F115_label_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_2BB62E3C2AB5CCA5ECB070036416F115" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidation, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="loc_us-gaap_ConsolidationPolicyTextBlock_2BB62E3C2AB5CCA5ECB070036416F115" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsolidationPolicyTextBlock_2BB62E3C2AB5CCA5ECB070036416F115" xlink:to="lab_us-gaap_ConsolidationPolicyTextBlock_2BB62E3C2AB5CCA5ECB070036416F115" xlink:type="arc" />
    <link:label id="lab_us-gaap_UseOfEstimates_576F2D4FDEADCDE9FD1070036416933F_terseLabel_en-US" xlink:label="lab_us-gaap_UseOfEstimates_576F2D4FDEADCDE9FD1070036416933F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Use of Estimates, Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_UseOfEstimates_576F2D4FDEADCDE9FD1070036416933F_label_en-US" xlink:label="lab_us-gaap_UseOfEstimates_576F2D4FDEADCDE9FD1070036416933F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Use of Estimates, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="loc_us-gaap_UseOfEstimates_576F2D4FDEADCDE9FD1070036416933F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UseOfEstimates_576F2D4FDEADCDE9FD1070036416933F" xlink:to="lab_us-gaap_UseOfEstimates_576F2D4FDEADCDE9FD1070036416933F" xlink:type="arc" />
    <link:label id="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_DFF9DB2A4D1BECD1B90D70036416C610_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_DFF9DB2A4D1BECD1B90D70036416C610" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment Reporting, Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_DFF9DB2A4D1BECD1B90D70036416C610_label_en-US" xlink:label="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_DFF9DB2A4D1BECD1B90D70036416C610" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentReportingPolicyPolicyTextBlock" xlink:label="loc_us-gaap_SegmentReportingPolicyPolicyTextBlock_DFF9DB2A4D1BECD1B90D70036416C610" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingPolicyPolicyTextBlock_DFF9DB2A4D1BECD1B90D70036416C610" xlink:to="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_DFF9DB2A4D1BECD1B90D70036416C610" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_0A5DA40079090A46F2F1700364165D0C_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_0A5DA40079090A46F2F1700364165D0C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_0A5DA40079090A46F2F1700364165D0C_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_0A5DA40079090A46F2F1700364165D0C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_0A5DA40079090A46F2F1700364165D0C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_0A5DA40079090A46F2F1700364165D0C" xlink:to="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_0A5DA40079090A46F2F1700364165D0C" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_8C870F4082B105F63A15700364163CEF_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_8C870F4082B105F63A15700364163CEF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_8C870F4082B105F63A15700364163CEF_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_8C870F4082B105F63A15700364163CEF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_8C870F4082B105F63A15700364163CEF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_8C870F4082B105F63A15700364163CEF" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_8C870F4082B105F63A15700364163CEF" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_871596B05606B81BBC537011A5575F92_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_871596B05606B81BBC537011A5575F92" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets, Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_871596B05606B81BBC537011A5575F92_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_871596B05606B81BBC537011A5575F92" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_871596B05606B81BBC537011A5575F92" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_871596B05606B81BBC537011A5575F92" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_871596B05606B81BBC537011A5575F92" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerSharePolicyTextBlock_5DC670B4C83384A35B66700364168377_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock_5DC670B4C83384A35B66700364168377" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_EarningsPerSharePolicyTextBlock_5DC670B4C83384A35B66700364168377_label_en-US" xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock_5DC670B4C83384A35B66700364168377" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="loc_us-gaap_EarningsPerSharePolicyTextBlock_5DC670B4C83384A35B66700364168377" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerSharePolicyTextBlock_5DC670B4C83384A35B66700364168377" xlink:to="lab_us-gaap_EarningsPerSharePolicyTextBlock_5DC670B4C83384A35B66700364168377" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_17B4D242C56FBFE7A2527003641649AC_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_17B4D242C56FBFE7A2527003641649AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Tax, Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_17B4D242C56FBFE7A2527003641649AC_label_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_17B4D242C56FBFE7A2527003641649AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock_17B4D242C56FBFE7A2527003641649AC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxPolicyTextBlock_17B4D242C56FBFE7A2527003641649AC" xlink:to="lab_us-gaap_IncomeTaxPolicyTextBlock_17B4D242C56FBFE7A2527003641649AC" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxUncertaintiesPolicy_6F16989FA71331AD0918700364163D56_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxUncertaintiesPolicy_6F16989FA71331AD0918700364163D56" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Tax Uncertainties, Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_IncomeTaxUncertaintiesPolicy_6F16989FA71331AD0918700364163D56_label_en-US" xlink:label="lab_us-gaap_IncomeTaxUncertaintiesPolicy_6F16989FA71331AD0918700364163D56" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Uncertainties, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxUncertaintiesPolicy" xlink:label="loc_us-gaap_IncomeTaxUncertaintiesPolicy_6F16989FA71331AD0918700364163D56" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxUncertaintiesPolicy_6F16989FA71331AD0918700364163D56" xlink:to="lab_us-gaap_IncomeTaxUncertaintiesPolicy_6F16989FA71331AD0918700364163D56" xlink:type="arc" />
    <link:label id="lab_us-gaap_SubsequentEventsPolicyPolicyTextBlock_6A944360D9355197BB3D70036416CCFC_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventsPolicyPolicyTextBlock_6A944360D9355197BB3D70036416CCFC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsequent Events, Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_SubsequentEventsPolicyPolicyTextBlock_6A944360D9355197BB3D70036416CCFC_label_en-US" xlink:label="lab_us-gaap_SubsequentEventsPolicyPolicyTextBlock_6A944360D9355197BB3D70036416CCFC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Events, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_SubsequentEventsPolicyPolicyTextBlock_6A944360D9355197BB3D70036416CCFC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventsPolicyPolicyTextBlock_6A944360D9355197BB3D70036416CCFC" xlink:to="lab_us-gaap_SubsequentEventsPolicyPolicyTextBlock_6A944360D9355197BB3D70036416CCFC" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareTextBlock_ECCE79741497FFA40EDD20AA283E04AA_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_3D4DFF1734DB54519A3EEB5F1081CAE7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings Per Share</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareTextBlock_ECCE79741497FFA40EDD20AA283E04AA_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_3D4DFF1734DB54519A3EEB5F1081CAE7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_3D4DFF1734DB54519A3EEB5F1081CAE7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareTextBlock_3D4DFF1734DB54519A3EEB5F1081CAE7" xlink:to="lab_us-gaap_EarningsPerShareTextBlock_3D4DFF1734DB54519A3EEB5F1081CAE7" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_CEFDBF66AF4BB85705D02AFF96DC5968_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_271DDA32E009559782F02B890AE1E007" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Equipment, and Depreciation</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_CEFDBF66AF4BB85705D02AFF96DC5968_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_271DDA32E009559782F02B890AE1E007" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_271DDA32E009559782F02B890AE1E007" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_271DDA32E009559782F02B890AE1E007" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_271DDA32E009559782F02B890AE1E007" xlink:type="arc" />
    <link:label id="lab_htld_StockRepurchaseShares_5572CDF1AA185F719BD56013C13812A7_terseLabel_en-US" xlink:label="lab_htld_StockRepurchaseShares_5572CDF1AA185F719BD56013C13812A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Repurchase Shares Authorized</link:label>
    <link:label id="lab_htld_StockRepurchaseShares_5572CDF1AA185F719BD56013C13812A7_label_en-US" xlink:label="lab_htld_StockRepurchaseShares_5572CDF1AA185F719BD56013C13812A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">stock repurchase shares</link:label>
    <link:label id="lab_htld_StockRepurchaseShares_5572CDF1AA185F719BD56013C13812A7_documentation_en-US" xlink:label="lab_htld_StockRepurchaseShares_5572CDF1AA185F719BD56013C13812A7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of shares authorized by an entity's Board of Directors under a stock repurchase plan.</link:label>
    <link:loc xlink:href="htld-20160630.xsd#htld_StockRepurchaseShares" xlink:label="loc_htld_StockRepurchaseShares_5572CDF1AA185F719BD56013C13812A7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_htld_StockRepurchaseShares_5572CDF1AA185F719BD56013C13812A7" xlink:to="lab_htld_StockRepurchaseShares_5572CDF1AA185F719BD56013C13812A7" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_B6AEA6CE308B5C5BAEB86013C138CDE2_terseLabel_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_B6AEA6CE308B5C5BAEB86013C138CDE2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Shares Authorized to be Repurchased</link:label>
    <link:label id="lab_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_B6AEA6CE308B5C5BAEB86013C138CDE2_label_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_B6AEA6CE308B5C5BAEB86013C138CDE2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Repurchase Program, Number of Shares Authorized to be Repurchased</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xlink:label="loc_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_B6AEA6CE308B5C5BAEB86013C138CDE2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_B6AEA6CE308B5C5BAEB86013C138CDE2" xlink:to="lab_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_B6AEA6CE308B5C5BAEB86013C138CDE2" xlink:type="arc" />
    <link:label id="lab_us-gaap_TreasuryStockSharesAcquired_6FF74210584CE77994156013C1387250_terseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockSharesAcquired_6FF74210584CE77994156013C1387250" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Treasury Stock, Shares, Acquired</link:label>
    <link:label id="lab_us-gaap_TreasuryStockSharesAcquired_6FF74210584CE77994156013C1387250_label_en-US" xlink:label="lab_us-gaap_TreasuryStockSharesAcquired_6FF74210584CE77994156013C1387250" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Stock, Shares, Acquired</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_6FF74210584CE77994156013C1387250" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockSharesAcquired_6FF74210584CE77994156013C1387250" xlink:to="lab_us-gaap_TreasuryStockSharesAcquired_6FF74210584CE77994156013C1387250" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_E753E61F2E4DBB7C422C20AA27F08C9E_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_E6A247C44CFB55888D45C752C88599AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_E753E61F2E4DBB7C422C20AA27F08C9E_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_E6A247C44CFB55888D45C752C88599AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_E6A247C44CFB55888D45C752C88599AC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_E6A247C44CFB55888D45C752C88599AC" xlink:to="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_E6A247C44CFB55888D45C752C88599AC" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_2920BEC0BF28197835CC20AA280FF5F0_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_33937F1EAB5D5975B9AB334CE6693492" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_2920BEC0BF28197835CC20AA280FF5F0_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_33937F1EAB5D5975B9AB334CE6693492" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsDisclosureTextBlock" xlink:label="loc_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_33937F1EAB5D5975B9AB334CE6693492" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_33937F1EAB5D5975B9AB334CE6693492" xlink:to="lab_us-gaap_CashAndCashEquivalentsDisclosureTextBlock_33937F1EAB5D5975B9AB334CE6693492" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_9850EF9EDB70C18E061D20AA282F11A4_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_CB78758A0AEA52B28E6B7171A90A640C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible Assets and Goodwill</link:label>
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_9850EF9EDB70C18E061D20AA282F11A4_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_CB78758A0AEA52B28E6B7171A90A640C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_CB78758A0AEA52B28E6B7171A90A640C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_CB78758A0AEA52B28E6B7171A90A640C" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_CB78758A0AEA52B28E6B7171A90A640C" xlink:type="arc" />
    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_7A3388677781E0075FFC20AA281F8CCD_terseLabel_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_0CB94593FBBF5534829286A08DA049C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Based Compensation</link:label>
    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_7A3388677781E0075FFC20AA281F8CCD_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_0CB94593FBBF5534829286A08DA049C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Compensation Related Costs, Share-based Payments [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_0CB94593FBBF5534829286A08DA049C4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_0CB94593FBBF5534829286A08DA049C4" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_0CB94593FBBF5534829286A08DA049C4" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_6C5E4059877C5A4AA94D20AA284E4B0A_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_02AD3BB5D1AA59F980C0F89739296A41" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Taxes</link:label>
    <link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_6C5E4059877C5A4AA94D20AA284E4B0A_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_02AD3BB5D1AA59F980C0F89739296A41" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_02AD3BB5D1AA59F980C0F89739296A41" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureTextBlock_02AD3BB5D1AA59F980C0F89739296A41" xlink:to="lab_us-gaap_IncomeTaxDisclosureTextBlock_02AD3BB5D1AA59F980C0F89739296A41" xlink:type="arc" />
  </link:labelLink>
</link:linkbase>