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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConcentrationRiskDisclosureTextBlock_601798F1E272F0DAF35DE5788D09732B" id="lab_us-gaap_ConcentrationRiskDisclosureTextBlock_601798F1E272F0DAF35DE5788D09732B_terseLabel_en-US">Concentration of Credit Risk and Major Customers</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConcentrationRiskDisclosureTextBlock_601798F1E272F0DAF35DE5788D09732B" id="lab_us-gaap_ConcentrationRiskDisclosureTextBlock_601798F1E272F0DAF35DE5788D09732B_label_en-US">Concentration Risk Disclosure [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:label="loc_us-gaap_ConcentrationRiskDisclosureTextBlock_601798F1E272F0DAF35DE5788D09732B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ConcentrationRiskDisclosureTextBlock_601798F1E272F0DAF35DE5788D09732B" xlink:from="loc_us-gaap_ConcentrationRiskDisclosureTextBlock_601798F1E272F0DAF35DE5788D09732B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_AEF76CAF56A3FE608AB0E5788D58DA8D" id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_AEF76CAF56A3FE608AB0E5788D58DA8D_terseLabel_en-US">Stock Based Compensation</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_AEF76CAF56A3FE608AB0E5788D58DA8D" id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_AEF76CAF56A3FE608AB0E5788D58DA8D_label_en-US">Disclosure of Compensation Related Costs, Share-based Payments [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_AEF76CAF56A3FE608AB0E5788D58DA8D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_AEF76CAF56A3FE608AB0E5788D58DA8D" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_AEF76CAF56A3FE608AB0E5788D58DA8D" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DebtDisclosureAbstract_28E8ADA628C24999CE80E5788CD316F4" id="lab_us-gaap_DebtDisclosureAbstract_28E8ADA628C24999CE80E5788CD316F4_label_en-US">Debt Disclosure [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_28E8ADA628C24999CE80E5788CD316F4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DebtDisclosureAbstract_28E8ADA628C24999CE80E5788CD316F4" xlink:from="loc_us-gaap_DebtDisclosureAbstract_28E8ADA628C24999CE80E5788CD316F4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LongTermDebtTextBlock_AF86EA26A4526862768FE5788CD361E6" id="lab_us-gaap_LongTermDebtTextBlock_AF86EA26A4526862768FE5788CD361E6_terseLabel_en-US">Line of Credit and Long Term Debt</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LongTermDebtTextBlock_AF86EA26A4526862768FE5788CD361E6" id="lab_us-gaap_LongTermDebtTextBlock_AF86EA26A4526862768FE5788CD361E6_label_en-US">Long-term Debt [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtTextBlock" xlink:label="loc_us-gaap_LongTermDebtTextBlock_AF86EA26A4526862768FE5788CD361E6"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LongTermDebtTextBlock_AF86EA26A4526862768FE5788CD361E6" xlink:from="loc_us-gaap_LongTermDebtTextBlock_AF86EA26A4526862768FE5788CD361E6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeStatementAbstract_4DD23705F2EB8A2F9C667B899611229E" id="lab_us-gaap_IncomeStatementAbstract_4DD23705F2EB8A2F9C667B899611229E_label_en-US">Income Statement [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_4DD23705F2EB8A2F9C667B899611229E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeStatementAbstract_4DD23705F2EB8A2F9C667B899611229E" xlink:from="loc_us-gaap_IncomeStatementAbstract_4DD23705F2EB8A2F9C667B899611229E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StatementTable_AFC1CD09A021658245CF7B8996111B8F" id="lab_us-gaap_StatementTable_AFC1CD09A021658245CF7B8996111B8F_terseLabel_en-US">Statement [Table]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StatementTable_AFC1CD09A021658245CF7B8996111B8F" id="lab_us-gaap_StatementTable_AFC1CD09A021658245CF7B8996111B8F_label_en-US">Statement [Table]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_AFC1CD09A021658245CF7B8996111B8F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StatementTable_AFC1CD09A021658245CF7B8996111B8F" xlink:from="loc_us-gaap_StatementTable_AFC1CD09A021658245CF7B8996111B8F" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StatementScenarioAxis_67DB9ABC3F375F58758B7B8996111FD8" id="lab_us-gaap_StatementScenarioAxis_67DB9ABC3F375F58758B7B8996111FD8_terseLabel_en-US">Statement, Scenario [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StatementScenarioAxis_67DB9ABC3F375F58758B7B8996111FD8" id="lab_us-gaap_StatementScenarioAxis_67DB9ABC3F375F58758B7B8996111FD8_label_en-US">Scenario [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_67DB9ABC3F375F58758B7B8996111FD8"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StatementScenarioAxis_67DB9ABC3F375F58758B7B8996111FD8" xlink:from="loc_us-gaap_StatementScenarioAxis_67DB9ABC3F375F58758B7B8996111FD8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScenarioUnspecifiedDomain_C8A5E2481F4EE3E53FD07B89961106B5" id="lab_us-gaap_ScenarioUnspecifiedDomain_C8A5E2481F4EE3E53FD07B89961106B5_terseLabel_en-US">Scenario, Unspecified [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScenarioUnspecifiedDomain_C8A5E2481F4EE3E53FD07B89961106B5" id="lab_us-gaap_ScenarioUnspecifiedDomain_C8A5E2481F4EE3E53FD07B89961106B5_label_en-US">Scenario, Unspecified [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_C8A5E2481F4EE3E53FD07B89961106B5"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ScenarioUnspecifiedDomain_C8A5E2481F4EE3E53FD07B89961106B5" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_C8A5E2481F4EE3E53FD07B89961106B5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StatementLineItems_E2BD88D19EAF30EBFBA87B899611251E" id="lab_us-gaap_StatementLineItems_E2BD88D19EAF30EBFBA87B899611251E_terseLabel_en-US">Statement [Line Items]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StatementLineItems_E2BD88D19EAF30EBFBA87B899611251E" id="lab_us-gaap_StatementLineItems_E2BD88D19EAF30EBFBA87B899611251E_label_en-US">Statement [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_E2BD88D19EAF30EBFBA87B899611251E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StatementLineItems_E2BD88D19EAF30EBFBA87B899611251E" xlink:from="loc_us-gaap_StatementLineItems_E2BD88D19EAF30EBFBA87B899611251E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_Revenues_6117C763BDBC469431A37B8996114003" id="lab_us-gaap_Revenues_6117C763BDBC469431A37B8996114003_terseLabel_en-US">OPERATING REVENUE</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_Revenues_6117C763BDBC469431A37B8996114003" id="lab_us-gaap_Revenues_6117C763BDBC469431A37B8996114003_label_en-US">Revenues</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_6117C763BDBC469431A37B8996114003"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_Revenues_6117C763BDBC469431A37B8996114003" xlink:from="loc_us-gaap_Revenues_6117C763BDBC469431A37B8996114003" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingExpensesAbstract_4623B287004A26F176097B899611F670" id="lab_us-gaap_OperatingExpensesAbstract_4623B287004A26F176097B899611F670_terseLabel_en-US">Operating Expenses</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingExpensesAbstract_4623B287004A26F176097B899611F670" id="lab_us-gaap_OperatingExpensesAbstract_4623B287004A26F176097B899611F670_label_en-US">Operating Expenses [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_us-gaap_OperatingExpensesAbstract_4623B287004A26F176097B899611F670"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OperatingExpensesAbstract_4623B287004A26F176097B899611F670" xlink:from="loc_us-gaap_OperatingExpensesAbstract_4623B287004A26F176097B899611F670" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LaborAndRelatedExpense_7411554735F06D21B8487B8996116221" id="lab_us-gaap_LaborAndRelatedExpense_7411554735F06D21B8487B8996116221_terseLabel_en-US">Salaries, wages and benefits</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LaborAndRelatedExpense_7411554735F06D21B8487B8996116221" id="lab_us-gaap_LaborAndRelatedExpense_7411554735F06D21B8487B8996116221_label_en-US">Labor and Related Expense</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:label="loc_us-gaap_LaborAndRelatedExpense_7411554735F06D21B8487B8996116221"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LaborAndRelatedExpense_7411554735F06D21B8487B8996116221" xlink:from="loc_us-gaap_LaborAndRelatedExpense_7411554735F06D21B8487B8996116221" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_RentAndPurchasedTransportation_34A4A67EFB1273C1F2B67B8996115469" id="lab_htld_RentAndPurchasedTransportation_34A4A67EFB1273C1F2B67B8996115469_terseLabel_en-US">Rent and purchased transportation</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_RentAndPurchasedTransportation_34A4A67EFB1273C1F2B67B8996115469" id="lab_htld_RentAndPurchasedTransportation_34A4A67EFB1273C1F2B67B8996115469_label_en-US">Rent and purchased transportation</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_RentAndPurchasedTransportation_34A4A67EFB1273C1F2B67B8996115469" id="lab_htld_RentAndPurchasedTransportation_34A4A67EFB1273C1F2B67B8996115469_documentation_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:type="locator" xlink:href="htld-20161231.xsd#htld_RentAndPurchasedTransportation" xlink:label="loc_htld_RentAndPurchasedTransportation_34A4A67EFB1273C1F2B67B8996115469"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_RentAndPurchasedTransportation_34A4A67EFB1273C1F2B67B8996115469" xlink:from="loc_htld_RentAndPurchasedTransportation_34A4A67EFB1273C1F2B67B8996115469" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FuelCosts_2B3537A2DFAEB4948D2A7B8996113236" id="lab_us-gaap_FuelCosts_2B3537A2DFAEB4948D2A7B8996113236_terseLabel_en-US">Fuel</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FuelCosts_2B3537A2DFAEB4948D2A7B8996113236" id="lab_us-gaap_FuelCosts_2B3537A2DFAEB4948D2A7B8996113236_label_en-US">Fuel Costs</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FuelCosts" xlink:label="loc_us-gaap_FuelCosts_2B3537A2DFAEB4948D2A7B8996113236"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_FuelCosts_2B3537A2DFAEB4948D2A7B8996113236" xlink:from="loc_us-gaap_FuelCosts_2B3537A2DFAEB4948D2A7B8996113236" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CostOfServicesMaintenanceCosts_C1658BD1D4C0059A54A87B8996124FE5" id="lab_us-gaap_CostOfServicesMaintenanceCosts_C1658BD1D4C0059A54A87B8996124FE5_terseLabel_en-US">Operations and maintenance</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CostOfServicesMaintenanceCosts_C1658BD1D4C0059A54A87B8996124FE5" id="lab_us-gaap_CostOfServicesMaintenanceCosts_C1658BD1D4C0059A54A87B8996124FE5_label_en-US">Cost of Services, Maintenance Costs</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostOfServicesMaintenanceCosts" xlink:label="loc_us-gaap_CostOfServicesMaintenanceCosts_C1658BD1D4C0059A54A87B8996124FE5"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CostOfServicesMaintenanceCosts_C1658BD1D4C0059A54A87B8996124FE5" xlink:from="loc_us-gaap_CostOfServicesMaintenanceCosts_C1658BD1D4C0059A54A87B8996124FE5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CostOfServicesDirectTaxesAndLicensesCosts_0C5171582A72D45AAD6B7B899612C08E" id="lab_us-gaap_CostOfServicesDirectTaxesAndLicensesCosts_0C5171582A72D45AAD6B7B899612C08E_terseLabel_en-US">Operating taxes and licenses</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CostOfServicesDirectTaxesAndLicensesCosts_0C5171582A72D45AAD6B7B899612C08E" id="lab_us-gaap_CostOfServicesDirectTaxesAndLicensesCosts_0C5171582A72D45AAD6B7B899612C08E_label_en-US">Cost of Services, Direct Taxes and Licenses Costs</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostOfServicesDirectTaxesAndLicensesCosts" xlink:label="loc_us-gaap_CostOfServicesDirectTaxesAndLicensesCosts_0C5171582A72D45AAD6B7B899612C08E"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingInsuranceAndClaimsCostsProduction_EA1F19F82D947B7718797B8996123880" id="lab_us-gaap_OperatingInsuranceAndClaimsCostsProduction_EA1F19F82D947B7718797B8996123880_terseLabel_en-US">Insurance and claims</link:label>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DirectCommunicationsAndUtilitiesCosts_D88F7FBB4C0B1B0E85547B899612425B" id="lab_us-gaap_DirectCommunicationsAndUtilitiesCosts_D88F7FBB4C0B1B0E85547B899612425B_label_en-US">Direct Communications and Utilities Costs</link:label>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_3D9141CBB8AF524A1F767B899612D832" id="lab_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_3D9141CBB8AF524A1F767B899612D832_label_en-US">depreciation and amortization excluding depreciation on communication equipment</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_3D9141CBB8AF524A1F767B899612D832" id="lab_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_3D9141CBB8AF524A1F767B899612D832_documentation_en-US">depreciation and amortization excluding depreciation on communication equipment</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment" xlink:label="loc_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_3D9141CBB8AF524A1F767B899612D832"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OtherCostAndExpenseOperating_65FF1E8CD906387E401A7B8996124DFE" id="lab_us-gaap_OtherCostAndExpenseOperating_65FF1E8CD906387E401A7B8996124DFE_terseLabel_en-US">Other operating expenses</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OtherCostAndExpenseOperating_65FF1E8CD906387E401A7B8996124DFE" id="lab_us-gaap_OtherCostAndExpenseOperating_65FF1E8CD906387E401A7B8996124DFE_label_en-US">Other Cost and Expense, Operating</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_65FF1E8CD906387E401A7B8996124DFE"/>

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<link:label xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets_BD64FD1681729545CE1A7B899612D18D" id="lab_us-gaap_GainLossOnDispositionOfAssets_BD64FD1681729545CE1A7B899612D18D_negatedLabel_en-US">Gain on disposal of property and equipment</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets_BD64FD1681729545CE1A7B899612D18D" id="lab_us-gaap_GainLossOnDispositionOfAssets_BD64FD1681729545CE1A7B899612D18D_label_en-US">Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets_BD64FD1681729545CE1A7B899612D18D"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CostsAndExpenses_45791E7A8E29A21D0B4E7B899612C9E2" id="lab_us-gaap_CostsAndExpenses_45791E7A8E29A21D0B4E7B899612C9E2_totalLabel_en-US">Total operating expenses</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CostsAndExpenses_45791E7A8E29A21D0B4E7B899612C9E2" id="lab_us-gaap_CostsAndExpenses_45791E7A8E29A21D0B4E7B899612C9E2_label_en-US">Costs and Expenses</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_45791E7A8E29A21D0B4E7B899612C9E2"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CostsAndExpenses_45791E7A8E29A21D0B4E7B899612C9E2" xlink:from="loc_us-gaap_CostsAndExpenses_45791E7A8E29A21D0B4E7B899612C9E2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingIncomeLoss_10DB883D93FA7A538C5E7B899612D489" id="lab_us-gaap_OperatingIncomeLoss_10DB883D93FA7A538C5E7B899612D489_totalLabel_en-US">Operating income</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingIncomeLoss_10DB883D93FA7A538C5E7B899612D489" id="lab_us-gaap_OperatingIncomeLoss_10DB883D93FA7A538C5E7B899612D489_label_en-US">Operating Income (Loss)</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_10DB883D93FA7A538C5E7B899612D489"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OperatingIncomeLoss_10DB883D93FA7A538C5E7B899612D489" xlink:from="loc_us-gaap_OperatingIncomeLoss_10DB883D93FA7A538C5E7B899612D489" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_InvestmentIncomeInterest_9A712EC4E31C2DB448E97B8996123286" id="lab_us-gaap_InvestmentIncomeInterest_9A712EC4E31C2DB448E97B8996123286_terseLabel_en-US">Interest income</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_InvestmentIncomeInterest_9A712EC4E31C2DB448E97B8996123286" id="lab_us-gaap_InvestmentIncomeInterest_9A712EC4E31C2DB448E97B8996123286_label_en-US">Investment Income, Interest</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest_9A712EC4E31C2DB448E97B8996123286"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_InvestmentIncomeInterest_9A712EC4E31C2DB448E97B8996123286" xlink:from="loc_us-gaap_InvestmentIncomeInterest_9A712EC4E31C2DB448E97B8996123286" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_InterestExpenseDebt_210C22C1A1C4BE0E7C3B7B8996126F21" id="lab_us-gaap_InterestExpenseDebt_210C22C1A1C4BE0E7C3B7B8996126F21_negatedTerseLabel_en-US">Interest expense</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_InterestExpenseDebt_210C22C1A1C4BE0E7C3B7B8996126F21" id="lab_us-gaap_InterestExpenseDebt_210C22C1A1C4BE0E7C3B7B8996126F21_label_en-US">Interest Expense, Debt</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="loc_us-gaap_InterestExpenseDebt_210C22C1A1C4BE0E7C3B7B8996126F21"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_3204A209885BBA1C26A27B8996127432" id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_3204A209885BBA1C26A27B8996127432_totalLabel_en-US">Income before income taxes</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_3204A209885BBA1C26A27B8996127432" id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_3204A209885BBA1C26A27B8996127432_label_en-US">Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_3204A209885BBA1C26A27B8996127432"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_AEE46183ED7A80122F937B89961241E9" id="lab_us-gaap_IncomeTaxExpenseBenefit_AEE46183ED7A80122F937B89961241E9_terseLabel_en-US">Federal and state income taxes</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_AEE46183ED7A80122F937B89961241E9" id="lab_us-gaap_IncomeTaxExpenseBenefit_AEE46183ED7A80122F937B89961241E9_label_en-US">Income Tax Expense (Benefit)</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_AEE46183ED7A80122F937B89961241E9"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NetIncomeLoss_FE80C66B3A3C0010D5107B899612FA4B" id="lab_us-gaap_NetIncomeLoss_FE80C66B3A3C0010D5107B899612FA4B_totalLabel_en-US">Net income</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NetIncomeLoss_FE80C66B3A3C0010D5107B899612FA4B" id="lab_us-gaap_NetIncomeLoss_FE80C66B3A3C0010D5107B899612FA4B_label_en-US">Net Income (Loss) Attributable to Parent</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_FE80C66B3A3C0010D5107B899612FA4B"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_835C311ED532B1162C507B899612F8E4" id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_835C311ED532B1162C507B899612F8E4_label_en-US">Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_835C311ED532B1162C507B899612F8E4"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_8CD3526D840B0FB15BED7B899613842D" id="lab_us-gaap_ComprehensiveIncomeNetOfTax_8CD3526D840B0FB15BED7B899613842D_totalLabel_en-US">Comprehensive income</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_8CD3526D840B0FB15BED7B899613842D" id="lab_us-gaap_ComprehensiveIncomeNetOfTax_8CD3526D840B0FB15BED7B899613842D_label_en-US">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_8CD3526D840B0FB15BED7B899613842D"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_EarningsPerShareAbstract_1770B2EA35280EF1F2A77B8996139760" id="lab_us-gaap_EarningsPerShareAbstract_1770B2EA35280EF1F2A77B8996139760_terseLabel_en-US">Net income per share</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_EarningsPerShareAbstract_1770B2EA35280EF1F2A77B8996139760" id="lab_us-gaap_EarningsPerShareAbstract_1770B2EA35280EF1F2A77B8996139760_label_en-US">Earnings Per Share [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_1770B2EA35280EF1F2A77B8996139760"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_EarningsPerShareBasic_642A3EE58716253DF0897B89961301E8" id="lab_us-gaap_EarningsPerShareBasic_642A3EE58716253DF0897B89961301E8_terseLabel_en-US">Basic</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_EarningsPerShareBasic_642A3EE58716253DF0897B89961301E8" id="lab_us-gaap_EarningsPerShareBasic_642A3EE58716253DF0897B89961301E8_label_en-US">Earnings Per Share, Basic</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_642A3EE58716253DF0897B89961301E8"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_EarningsPerShareDiluted_1840D53D0ED8C763D6EE7B899613A268" id="lab_us-gaap_EarningsPerShareDiluted_1840D53D0ED8C763D6EE7B899613A268_terseLabel_en-US">Diluted</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_EarningsPerShareDiluted_1840D53D0ED8C763D6EE7B899613A268" id="lab_us-gaap_EarningsPerShareDiluted_1840D53D0ED8C763D6EE7B899613A268_label_en-US">Earnings Per Share, Diluted</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_1840D53D0ED8C763D6EE7B899613A268"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_WeightedAverageSharesOutstandingAbstract_4BB24326299000F0B9987B899613E670" id="lab_htld_WeightedAverageSharesOutstandingAbstract_4BB24326299000F0B9987B899613E670_terseLabel_en-US">Weighted average shares outstanding</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_WeightedAverageSharesOutstandingAbstract_4BB24326299000F0B9987B899613E670" id="lab_htld_WeightedAverageSharesOutstandingAbstract_4BB24326299000F0B9987B899613E670_label_en-US">Weighted average shares outstanding [Abstract]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_WeightedAverageSharesOutstandingAbstract_4BB24326299000F0B9987B899613E670" id="lab_htld_WeightedAverageSharesOutstandingAbstract_4BB24326299000F0B9987B899613E670_documentation_en-US">Weighted average shares outstanding [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_WeightedAverageSharesOutstandingAbstract" xlink:label="loc_htld_WeightedAverageSharesOutstandingAbstract_4BB24326299000F0B9987B899613E670"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_WeightedAverageSharesOutstandingAbstract_4BB24326299000F0B9987B899613E670" xlink:from="loc_htld_WeightedAverageSharesOutstandingAbstract_4BB24326299000F0B9987B899613E670" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_3ECD480C241EB260D4BD7B8996138C6E" id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_3ECD480C241EB260D4BD7B8996138C6E_terseLabel_en-US">Basic</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_3ECD480C241EB260D4BD7B8996138C6E" id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_3ECD480C241EB260D4BD7B8996138C6E_label_en-US">Weighted Average Number of Shares Outstanding, Basic</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_3ECD480C241EB260D4BD7B8996138C6E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_3ECD480C241EB260D4BD7B8996138C6E" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_3ECD480C241EB260D4BD7B8996138C6E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_9C246624A1A18CABF5DE7B8996137AC0" id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_9C246624A1A18CABF5DE7B8996137AC0_terseLabel_en-US">Diluted</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_9C246624A1A18CABF5DE7B8996137AC0" id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_9C246624A1A18CABF5DE7B8996137AC0_label_en-US">Weighted Average Number of Shares Outstanding, Diluted</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_9C246624A1A18CABF5DE7B8996137AC0"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_9C246624A1A18CABF5DE7B8996137AC0" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_9C246624A1A18CABF5DE7B8996137AC0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared_9B6C8FB184EE3937AFFA7B8996130A68" id="lab_us-gaap_CommonStockDividendsPerShareDeclared_9B6C8FB184EE3937AFFA7B8996130A68_terseLabel_en-US">Dividends declared per share</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared_9B6C8FB184EE3937AFFA7B8996130A68" id="lab_us-gaap_CommonStockDividendsPerShareDeclared_9B6C8FB184EE3937AFFA7B8996130A68_label_en-US">Common Stock, Dividends, Per Share, Declared</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_9B6C8FB184EE3937AFFA7B8996130A68"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommonStockDividendsPerShareDeclared_9B6C8FB184EE3937AFFA7B8996130A68" xlink:from="loc_us-gaap_CommonStockDividendsPerShareDeclared_9B6C8FB184EE3937AFFA7B8996130A68" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxDisclosureAbstract_786003E2099B5AE801D0235A024AEDF1" id="lab_us-gaap_IncomeTaxDisclosureAbstract_786003E2099B5AE801D0235A024AEDF1_label_en-US">Income Tax Disclosure [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_786003E2099B5AE801D0235A024AEDF1"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeTaxDisclosureAbstract_786003E2099B5AE801D0235A024AEDF1" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_786003E2099B5AE801D0235A024AEDF1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_836BB613514526024DAF235A024AC13E" id="lab_us-gaap_IncomeTaxDisclosureTextBlock_836BB613514526024DAF235A024AC13E_terseLabel_en-US">Income Taxes</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_836BB613514526024DAF235A024AC13E" id="lab_us-gaap_IncomeTaxDisclosureTextBlock_836BB613514526024DAF235A024AC13E_label_en-US">Income Tax Disclosure [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_836BB613514526024DAF235A024AC13E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeTaxDisclosureTextBlock_836BB613514526024DAF235A024AC13E" xlink:from="loc_us-gaap_IncomeTaxDisclosureTextBlock_836BB613514526024DAF235A024AC13E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_RelatedPartyAbstract_4B9AA5BC9EE25DA60B24E5788D46B5E8" id="lab_htld_RelatedPartyAbstract_4B9AA5BC9EE25DA60B24E5788D46B5E8_label_en-US">Related Party [Abstract]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_RelatedPartyAbstract_4B9AA5BC9EE25DA60B24E5788D46B5E8" id="lab_htld_RelatedPartyAbstract_4B9AA5BC9EE25DA60B24E5788D46B5E8_documentation_en-US">Related Party [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_RelatedPartyAbstract" xlink:label="loc_htld_RelatedPartyAbstract_4B9AA5BC9EE25DA60B24E5788D46B5E8"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_RelatedPartyAbstract_4B9AA5BC9EE25DA60B24E5788D46B5E8" xlink:from="loc_htld_RelatedPartyAbstract_4B9AA5BC9EE25DA60B24E5788D46B5E8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_7EC67ACEBA7233998EDFE5788D463825" id="lab_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_7EC67ACEBA7233998EDFE5788D463825_terseLabel_en-US">Schedule of Related Party Transactions [Table Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_7EC67ACEBA7233998EDFE5788D463825" id="lab_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_7EC67ACEBA7233998EDFE5788D463825_label_en-US">Schedule of Related Party Transactions [Table Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_7EC67ACEBA7233998EDFE5788D463825"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_7EC67ACEBA7233998EDFE5788D463825" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_7EC67ACEBA7233998EDFE5788D463825" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract_9E9ECB90CEA29902445D8312FC81EC68" id="lab_us-gaap_StatementOfStockholdersEquityAbstract_9E9ECB90CEA29902445D8312FC81EC68_label_en-US">Statement of Stockholders' Equity [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_9E9ECB90CEA29902445D8312FC81EC68"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StatementOfStockholdersEquityAbstract_9E9ECB90CEA29902445D8312FC81EC68" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_9E9ECB90CEA29902445D8312FC81EC68" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommonStockMember_C8A38FE9A27EFD2B1F3B8312FC810396" id="lab_us-gaap_CommonStockMember_C8A38FE9A27EFD2B1F3B8312FC810396_terseLabel_en-US">Capital Stock, Common</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommonStockMember_C8A38FE9A27EFD2B1F3B8312FC810396" id="lab_us-gaap_CommonStockMember_C8A38FE9A27EFD2B1F3B8312FC810396_label_en-US">Common Stock [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_C8A38FE9A27EFD2B1F3B8312FC810396"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommonStockMember_C8A38FE9A27EFD2B1F3B8312FC810396" xlink:from="loc_us-gaap_CommonStockMember_C8A38FE9A27EFD2B1F3B8312FC810396" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RetainedEarningsMember_DCAF7C9D5CAE96B71B2A8312FC81641B" id="lab_us-gaap_RetainedEarningsMember_DCAF7C9D5CAE96B71B2A8312FC81641B_terseLabel_en-US">Retained Earnings</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RetainedEarningsMember_DCAF7C9D5CAE96B71B2A8312FC81641B" id="lab_us-gaap_RetainedEarningsMember_DCAF7C9D5CAE96B71B2A8312FC81641B_label_en-US">Retained Earnings [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_DCAF7C9D5CAE96B71B2A8312FC81641B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RetainedEarningsMember_DCAF7C9D5CAE96B71B2A8312FC81641B" xlink:from="loc_us-gaap_RetainedEarningsMember_DCAF7C9D5CAE96B71B2A8312FC81641B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_D71ECB75310F67AC61748312FC812A34" id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_D71ECB75310F67AC61748312FC812A34_terseLabel_en-US">Accumulated Other Comprehensive Loss</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_D71ECB75310F67AC61748312FC812A34" id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_D71ECB75310F67AC61748312FC812A34_label_en-US">AOCI Attributable to Parent [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_D71ECB75310F67AC61748312FC812A34"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_D71ECB75310F67AC61748312FC812A34" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_D71ECB75310F67AC61748312FC812A34" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StatementClassOfStockAxis_B86274ACE87B923C0D368312FC819286" id="lab_us-gaap_StatementClassOfStockAxis_B86274ACE87B923C0D368312FC819286_terseLabel_en-US">Class of Stock [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StatementClassOfStockAxis_B86274ACE87B923C0D368312FC819286" id="lab_us-gaap_StatementClassOfStockAxis_B86274ACE87B923C0D368312FC819286_label_en-US">Class of Stock [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_B86274ACE87B923C0D368312FC819286"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StatementClassOfStockAxis_B86274ACE87B923C0D368312FC819286" xlink:from="loc_us-gaap_StatementClassOfStockAxis_B86274ACE87B923C0D368312FC819286" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ClassOfStockDomain_B2AA56706D698C8185768312FC812E54" id="lab_us-gaap_ClassOfStockDomain_B2AA56706D698C8185768312FC812E54_terseLabel_en-US">Class of Stock [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ClassOfStockDomain_B2AA56706D698C8185768312FC812E54" id="lab_us-gaap_ClassOfStockDomain_B2AA56706D698C8185768312FC812E54_label_en-US">Class of Stock [Domain]</link:label>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StockholdersEquity_B888FC80C420AE7CC4EB8312FC81999C" id="lab_us-gaap_StockholdersEquity_B888FC80C420AE7CC4EB8312FC81999C_label_en-US">Stockholders' Equity Attributable to Parent</link:label>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NetIncomeLoss_AE4D110C6E95D15511538312FC81981E" id="lab_us-gaap_NetIncomeLoss_AE4D110C6E95D15511538312FC81981E_terseLabel_en-US">Net income</link:label>

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<link:label xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DividendsCommonStock_61A0EEBE7E96CE1B09A78312FC81F6C0" id="lab_us-gaap_DividendsCommonStock_61A0EEBE7E96CE1B09A78312FC81F6C0_negatedTerseLabel_en-US">Dividends on common stock</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DividendsCommonStock_61A0EEBE7E96CE1B09A78312FC81F6C0" id="lab_us-gaap_DividendsCommonStock_61A0EEBE7E96CE1B09A78312FC81F6C0_label_en-US">Dividends, Common Stock</link:label>

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<link:label xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StockRepurchasedDuringPeriodValue_B172E9AE7353BBE46EF08312FC81B5C7" id="lab_us-gaap_StockRepurchasedDuringPeriodValue_B172E9AE7353BBE46EF08312FC81B5C7_negatedLabel_en-US">Stock Repurchased During Period, Value</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StockRepurchasedDuringPeriodValue_B172E9AE7353BBE46EF08312FC81B5C7" id="lab_us-gaap_StockRepurchasedDuringPeriodValue_B172E9AE7353BBE46EF08312FC81B5C7_label_en-US">Stock Repurchased During Period, Value</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodValue" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodValue_B172E9AE7353BBE46EF08312FC81B5C7"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued_9781A3CAB1A63F54F2928312FC81B7DC" id="lab_us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued_9781A3CAB1A63F54F2928312FC81B7DC_verboseLabel_en-US">Stock Issued During Period, Value, Treasury Stock Reissued</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued_9781A3CAB1A63F54F2928312FC81B7DC" id="lab_us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued_9781A3CAB1A63F54F2928312FC81B7DC_label_en-US">Stock Issued During Period, Value, Treasury Stock Reissued</link:label>

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<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued_9781A3CAB1A63F54F2928312FC81B7DC" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued_9781A3CAB1A63F54F2928312FC81B7DC" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_39B3F568574E233B3ED58312FC818407" id="lab_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_39B3F568574E233B3ED58312FC818407_terseLabel_en-US">Stock-based compensation, net of tax</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_39B3F568574E233B3ED58312FC818407" id="lab_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_39B3F568574E233B3ED58312FC818407_label_en-US">Allocated Share-based Compensation Expense, Net of Tax</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_39B3F568574E233B3ED58312FC818407"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_39B3F568574E233B3ED58312FC818407" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_39B3F568574E233B3ED58312FC818407" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StockholdersEquity_E201FE56DB5E1D82876A8312FC818B02" id="lab_us-gaap_StockholdersEquity_E201FE56DB5E1D82876A8312FC818B02_periodEndLabel_en-US">Balance</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_E201FE56DB5E1D82876A8312FC818B02"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ScheduleIiValuationAndQualifyingAccountsAndReservesAbstract_567ADC0DBE42621736EBE5788D243784" id="lab_htld_ScheduleIiValuationAndQualifyingAccountsAndReservesAbstract_567ADC0DBE42621736EBE5788D243784_label_en-US">Schedule II Valuation and Qualifying Accounts and Reserves [Abstract]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ScheduleIiValuationAndQualifyingAccountsAndReservesAbstract_567ADC0DBE42621736EBE5788D243784" id="lab_htld_ScheduleIiValuationAndQualifyingAccountsAndReservesAbstract_567ADC0DBE42621736EBE5788D243784_documentation_en-US">Schedule II Valuation and Qualifying Accounts and Reserves [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_ScheduleIiValuationAndQualifyingAccountsAndReservesAbstract" xlink:label="loc_htld_ScheduleIiValuationAndQualifyingAccountsAndReservesAbstract_567ADC0DBE42621736EBE5788D243784"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_ScheduleIiValuationAndQualifyingAccountsAndReservesAbstract_567ADC0DBE42621736EBE5788D243784" xlink:from="loc_htld_ScheduleIiValuationAndQualifyingAccountsAndReservesAbstract_567ADC0DBE42621736EBE5788D243784" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_3994E469A0652E376E46E5788D24BCCC" id="lab_us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_3994E469A0652E376E46E5788D24BCCC_terseLabel_en-US">Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_3994E469A0652E376E46E5788D24BCCC" id="lab_us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_3994E469A0652E376E46E5788D24BCCC_label_en-US">Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:label="loc_us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_3994E469A0652E376E46E5788D24BCCC"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_SignificantAccountingPoliciesTextBlock_24920A25EE84A65967F4E5788D5B30D1" id="lab_us-gaap_SignificantAccountingPoliciesTextBlock_24920A25EE84A65967F4E5788D5B30D1_terseLabel_en-US">Significant Accounting Policies</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_SignificantAccountingPoliciesTextBlock_24920A25EE84A65967F4E5788D5B30D1" id="lab_us-gaap_SignificantAccountingPoliciesTextBlock_24920A25EE84A65967F4E5788D5B30D1_label_en-US">Significant Accounting Policies [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_SignificantAccountingPoliciesTextBlock_24920A25EE84A65967F4E5788D5B30D1"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SignificantAccountingPoliciesTextBlock_24920A25EE84A65967F4E5788D5B30D1" xlink:from="loc_us-gaap_SignificantAccountingPoliciesTextBlock_24920A25EE84A65967F4E5788D5B30D1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ProfitSharingPlanAndRetirementPlanAbstract_770AC6D5C7E3F09F9724E5788D31520F" id="lab_htld_ProfitSharingPlanAndRetirementPlanAbstract_770AC6D5C7E3F09F9724E5788D31520F_label_en-US">Profit Sharing Plan and Retirement Plan [Abstract]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ProfitSharingPlanAndRetirementPlanAbstract_770AC6D5C7E3F09F9724E5788D31520F" id="lab_htld_ProfitSharingPlanAndRetirementPlanAbstract_770AC6D5C7E3F09F9724E5788D31520F_documentation_en-US">Profit Sharing Plan and Retirement Plan [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_ProfitSharingPlanAndRetirementPlanAbstract" xlink:label="loc_htld_ProfitSharingPlanAndRetirementPlanAbstract_770AC6D5C7E3F09F9724E5788D31520F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_ProfitSharingPlanAndRetirementPlanAbstract_770AC6D5C7E3F09F9724E5788D31520F" xlink:from="loc_htld_ProfitSharingPlanAndRetirementPlanAbstract_770AC6D5C7E3F09F9724E5788D31520F" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock_DD0BAD226D34ED858B3EE5788D318389" id="lab_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock_DD0BAD226D34ED858B3EE5788D318389_terseLabel_en-US">Profit Sharing Plan and Retirement Plan</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock_DD0BAD226D34ED858B3EE5788D318389" id="lab_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock_DD0BAD226D34ED858B3EE5788D318389_label_en-US">Compensation and Employee Benefit Plans [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CompensationAndEmployeeBenefitPlansTextBlock" xlink:label="loc_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock_DD0BAD226D34ED858B3EE5788D318389"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_IncomeTaxesAbstract_118FE02869F62585509F7FF69E42FC2D" id="lab_htld_IncomeTaxesAbstract_118FE02869F62585509F7FF69E42FC2D_label_en-US">Income Taxes [Abstract]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_IncomeTaxesAbstract_118FE02869F62585509F7FF69E42FC2D" id="lab_htld_IncomeTaxesAbstract_118FE02869F62585509F7FF69E42FC2D_documentation_en-US">Income Taxes [Abstract]</link:label>

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<link:label xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DeferredTaxAssetsNetCurrent_71F5335E62FF90DF0A1F7FF69E440C56" id="lab_us-gaap_DeferredTaxAssetsNetCurrent_71F5335E62FF90DF0A1F7FF69E440C56_verboseLabel_en-US">Net deferred tax assets</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DeferredTaxAssetsNetCurrent_71F5335E62FF90DF0A1F7FF69E440C56" id="lab_us-gaap_DeferredTaxAssetsNetCurrent_71F5335E62FF90DF0A1F7FF69E440C56_label_en-US">Deferred Tax Assets, Net of Valuation Allowance, Current</link:label>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DeferredTaxAssetsNetNoncurrent_1A615D03D2D4C6DEF9C77FF69E444C59" id="lab_us-gaap_DeferredTaxAssetsNetNoncurrent_1A615D03D2D4C6DEF9C77FF69E444C59_label_en-US">Deferred Tax Assets, Net of Valuation Allowance, Noncurrent</link:label>

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<link:label xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DeferredTaxLiabilities_7E038D38139943F5172E7FF69E4570C1" id="lab_us-gaap_DeferredTaxLiabilities_7E038D38139943F5172E7FF69E4570C1_negatedTotalLabel_en-US">Deferred Tax Liabilities, Net</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DeferredTaxLiabilities_7E038D38139943F5172E7FF69E4570C1" id="lab_us-gaap_DeferredTaxLiabilities_7E038D38139943F5172E7FF69E4570C1_label_en-US">Deferred Tax Liabilities, Net</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="loc_us-gaap_DeferredTaxLiabilities_7E038D38139943F5172E7FF69E4570C1"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_AF90533222706C803F867AB000F08BF9" id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_AF90533222706C803F867AB000F08BF9_label_en-US">Goodwill and Intangible Assets Disclosure [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_AF90533222706C803F867AB000F08BF9"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_AF90533222706C803F867AB000F08BF9" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_AF90533222706C803F867AB000F08BF9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_5EFD422D5FF48FEF295B7AB000F045B4" id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_5EFD422D5FF48FEF295B7AB000F045B4_terseLabel_en-US">Schedule of Finite-Lived Intangible Assets [Table]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_5EFD422D5FF48FEF295B7AB000F045B4" id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_5EFD422D5FF48FEF295B7AB000F045B4_label_en-US">Schedule of Finite-Lived Intangible Assets [Table]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_5EFD422D5FF48FEF295B7AB000F045B4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_5EFD422D5FF48FEF295B7AB000F045B4" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_5EFD422D5FF48FEF295B7AB000F045B4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9E8424530675401F30D27AB000F0390E" id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9E8424530675401F30D27AB000F0390E_terseLabel_en-US">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9E8424530675401F30D27AB000F0390E" id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9E8424530675401F30D27AB000F0390E_label_en-US">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9E8424530675401F30D27AB000F0390E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9E8424530675401F30D27AB000F0390E" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9E8424530675401F30D27AB000F0390E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9D0851FC715B74C50D747AB000F04A13" id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9D0851FC715B74C50D747AB000F04A13_terseLabel_en-US">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9D0851FC715B74C50D747AB000F04A13" id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9D0851FC715B74C50D747AB000F04A13_label_en-US">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9D0851FC715B74C50D747AB000F04A13"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9D0851FC715B74C50D747AB000F04A13" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9D0851FC715B74C50D747AB000F04A13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CustomerRelationshipsMember_07D18B536F796484FF887AB000F0D9FA" id="lab_us-gaap_CustomerRelationshipsMember_07D18B536F796484FF887AB000F0D9FA_terseLabel_en-US">Customer Relationships [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CustomerRelationshipsMember_07D18B536F796484FF887AB000F0D9FA" id="lab_us-gaap_CustomerRelationshipsMember_07D18B536F796484FF887AB000F0D9FA_label_en-US">Customer Relationships [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_07D18B536F796484FF887AB000F0D9FA"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CustomerRelationshipsMember_07D18B536F796484FF887AB000F0D9FA" xlink:from="loc_us-gaap_CustomerRelationshipsMember_07D18B536F796484FF887AB000F0D9FA" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RealEstateMember_9F6F3F864891DE107E6A7AB000F0598C" id="lab_us-gaap_RealEstateMember_9F6F3F864891DE107E6A7AB000F0598C_terseLabel_en-US">Real Estate [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RealEstateMember_9F6F3F864891DE107E6A7AB000F0598C" id="lab_us-gaap_RealEstateMember_9F6F3F864891DE107E6A7AB000F0598C_label_en-US">Real Estate [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RealEstateMember" xlink:label="loc_us-gaap_RealEstateMember_9F6F3F864891DE107E6A7AB000F0598C"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RealEstateMember_9F6F3F864891DE107E6A7AB000F0598C" xlink:from="loc_us-gaap_RealEstateMember_9F6F3F864891DE107E6A7AB000F0598C" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NoncompeteAgreementsMember_82A34F313FA3BB7100D87AB000F0AB0B" id="lab_us-gaap_NoncompeteAgreementsMember_82A34F313FA3BB7100D87AB000F0AB0B_terseLabel_en-US">Noncompete Agreements [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NoncompeteAgreementsMember_82A34F313FA3BB7100D87AB000F0AB0B" id="lab_us-gaap_NoncompeteAgreementsMember_82A34F313FA3BB7100D87AB000F0AB0B_label_en-US">Noncompete Agreements [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NoncompeteAgreementsMember" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_82A34F313FA3BB7100D87AB000F0AB0B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NoncompeteAgreementsMember_82A34F313FA3BB7100D87AB000F0AB0B" xlink:from="loc_us-gaap_NoncompeteAgreementsMember_82A34F313FA3BB7100D87AB000F0AB0B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_TradeNamesMember_E640CE0F9BF63B064BC97AB000F06E81" id="lab_us-gaap_TradeNamesMember_E640CE0F9BF63B064BC97AB000F06E81_terseLabel_en-US">Trade Names [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_TradeNamesMember_E640CE0F9BF63B064BC97AB000F06E81" id="lab_us-gaap_TradeNamesMember_E640CE0F9BF63B064BC97AB000F06E81_label_en-US">Trade Names [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_E640CE0F9BF63B064BC97AB000F06E81"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_TradeNamesMember_E640CE0F9BF63B064BC97AB000F06E81" xlink:from="loc_us-gaap_TradeNamesMember_E640CE0F9BF63B064BC97AB000F06E81" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_157DC13A83120F5238617AB000F07D51" id="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_157DC13A83120F5238617AB000F07D51_terseLabel_en-US">Finite-Lived Intangible Assets [Line Items]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_157DC13A83120F5238617AB000F07D51" id="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_157DC13A83120F5238617AB000F07D51_label_en-US">Finite-Lived Intangible Assets [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_157DC13A83120F5238617AB000F07D51"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_157DC13A83120F5238617AB000F07D51" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_157DC13A83120F5238617AB000F07D51" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_74072AF430AA8EFB5BD67AB000F0DFC1" id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_74072AF430AA8EFB5BD67AB000F0DFC1_terseLabel_en-US">Finite-Lived Intangible Asset, Useful Life</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_74072AF430AA8EFB5BD67AB000F0DFC1" id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_74072AF430AA8EFB5BD67AB000F0DFC1_label_en-US">Finite-Lived Intangible Asset, Useful Life</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_74072AF430AA8EFB5BD67AB000F0DFC1"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_74072AF430AA8EFB5BD67AB000F0DFC1" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_74072AF430AA8EFB5BD67AB000F0DFC1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_950682A5D81524E23CFB7AB000F0C929" id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_950682A5D81524E23CFB7AB000F0C929_terseLabel_en-US">Finite-Lived Intangible Assets, Gross</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_950682A5D81524E23CFB7AB000F0C929" id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_950682A5D81524E23CFB7AB000F0C929_label_en-US">Finite-Lived Intangible Assets, Gross</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_950682A5D81524E23CFB7AB000F0C929"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsGross_950682A5D81524E23CFB7AB000F0C929" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsGross_950682A5D81524E23CFB7AB000F0C929" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_A115AF9B428E37EA669D7AB000F0E748" id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_A115AF9B428E37EA669D7AB000F0E748_terseLabel_en-US">Finite-Lived Intangible Assets, Accumulated Amortization</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_A115AF9B428E37EA669D7AB000F0E748" id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_A115AF9B428E37EA669D7AB000F0E748_label_en-US">Finite-Lived Intangible Assets, Accumulated Amortization</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_A115AF9B428E37EA669D7AB000F0E748"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_A115AF9B428E37EA669D7AB000F0E748" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_A115AF9B428E37EA669D7AB000F0E748" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_5D531157656EEBAD42317AB000F07B51" id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_5D531157656EEBAD42317AB000F07B51_terseLabel_en-US">Finite-Lived Intangible Assets, Net</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_5D531157656EEBAD42317AB000F07B51" id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_5D531157656EEBAD42317AB000F07B51_label_en-US">Finite-Lived Intangible Assets, Net</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_5D531157656EEBAD42317AB000F07B51"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsNet_5D531157656EEBAD42317AB000F07B51" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_5D531157656EEBAD42317AB000F07B51" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_01372E81AFDF6E8B86CE7AB000F0B8B4" id="lab_us-gaap_AmortizationOfIntangibleAssets_01372E81AFDF6E8B86CE7AB000F0B8B4_terseLabel_en-US">Finite-Lived Intangible Assets, Amortization Expense</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_01372E81AFDF6E8B86CE7AB000F0B8B4" id="lab_us-gaap_AmortizationOfIntangibleAssets_01372E81AFDF6E8B86CE7AB000F0B8B4_label_en-US">Amortization of Intangible Assets</link:label>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_A2210817D39155F91D277AB000F0A3E3" id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_A2210817D39155F91D277AB000F0A3E3_label_en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Four</link:label>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_D3CAD4B461569C0A43AA7AB000F0D579" id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_D3CAD4B461569C0A43AA7AB000F0D579_label_en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Five</link:label>

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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5FBCF46EF401CF5E8DDFE5788CECA641"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits_A582AB6BDB8105E61FE1E5788CEC6772" id="lab_us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits_A582AB6BDB8105E61FE1E5788CEC6772_label_en-US">Dilutive Securities, Effect on Basic Earnings Per Share, Options and Restrictive Stock Units</link:label>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_3B66C4A35D3000478E677FFC6DCD2DA0" id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_3B66C4A35D3000478E677FFC6DCD2DA0_label_en-US">Unrecorded Unconditional Purchase Obligation</link:label>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_BusinessCombinationContingentConsiderationLiability_C6C69F74497298A163A47FFC6DCE46FE" id="lab_us-gaap_BusinessCombinationContingentConsiderationLiability_C6C69F74497298A163A47FFC6DCE46FE_label_en-US">Business Combination, Contingent Consideration, Liability</link:label>

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<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_UseOfEstimates_234A312B9113895201296C16BD4AC01D" xlink:from="loc_us-gaap_UseOfEstimates_234A312B9113895201296C16BD4AC01D" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_92864EACBF6B3FD29E286C16BD4A3256" id="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_92864EACBF6B3FD29E286C16BD4A3256_terseLabel_en-US">Segment Reporting, Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_92864EACBF6B3FD29E286C16BD4A3256" id="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_92864EACBF6B3FD29E286C16BD4A3256_label_en-US">Segment Reporting, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentReportingPolicyPolicyTextBlock" xlink:label="loc_us-gaap_SegmentReportingPolicyPolicyTextBlock_92864EACBF6B3FD29E286C16BD4A3256"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SegmentReportingPolicyPolicyTextBlock_92864EACBF6B3FD29E286C16BD4A3256" xlink:from="loc_us-gaap_SegmentReportingPolicyPolicyTextBlock_92864EACBF6B3FD29E286C16BD4A3256" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_69E9512E5556567B6FF86C16BD4A1E28" id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_69E9512E5556567B6FF86C16BD4A1E28_terseLabel_en-US">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_69E9512E5556567B6FF86C16BD4A1E28" id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_69E9512E5556567B6FF86C16BD4A1E28_label_en-US">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_69E9512E5556567B6FF86C16BD4A1E28"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_69E9512E5556567B6FF86C16BD4A1E28" xlink:from="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_69E9512E5556567B6FF86C16BD4A1E28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_MarketableSecuritiesHeldToMaturitySecuritiesPolicy_18217A81CDA73D4D92B36C16BD4A6BE3" id="lab_us-gaap_MarketableSecuritiesHeldToMaturitySecuritiesPolicy_18217A81CDA73D4D92B36C16BD4A6BE3_terseLabel_en-US">Marketable Securities, Held-to-maturity Securities, Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_MarketableSecuritiesHeldToMaturitySecuritiesPolicy_18217A81CDA73D4D92B36C16BD4A6BE3" id="lab_us-gaap_MarketableSecuritiesHeldToMaturitySecuritiesPolicy_18217A81CDA73D4D92B36C16BD4A6BE3_label_en-US">Marketable Securities, Held-to-maturity Securities, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MarketableSecuritiesHeldToMaturitySecuritiesPolicy" xlink:label="loc_us-gaap_MarketableSecuritiesHeldToMaturitySecuritiesPolicy_18217A81CDA73D4D92B36C16BD4A6BE3"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_MarketableSecuritiesHeldToMaturitySecuritiesPolicy_18217A81CDA73D4D92B36C16BD4A6BE3" xlink:from="loc_us-gaap_MarketableSecuritiesHeldToMaturitySecuritiesPolicy_18217A81CDA73D4D92B36C16BD4A6BE3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_TradeAndOtherAccountsReceivablePolicy_ADB11BB912A052FC15B06C16BD4A5D82" id="lab_us-gaap_TradeAndOtherAccountsReceivablePolicy_ADB11BB912A052FC15B06C16BD4A5D82_terseLabel_en-US">Trade and Other Accounts Receivable, Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_TradeAndOtherAccountsReceivablePolicy_ADB11BB912A052FC15B06C16BD4A5D82" id="lab_us-gaap_TradeAndOtherAccountsReceivablePolicy_ADB11BB912A052FC15B06C16BD4A5D82_label_en-US">Trade and Other Accounts Receivable, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TradeAndOtherAccountsReceivablePolicy" xlink:label="loc_us-gaap_TradeAndOtherAccountsReceivablePolicy_ADB11BB912A052FC15B06C16BD4A5D82"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_TradeAndOtherAccountsReceivablePolicy_ADB11BB912A052FC15B06C16BD4A5D82" xlink:from="loc_us-gaap_TradeAndOtherAccountsReceivablePolicy_ADB11BB912A052FC15B06C16BD4A5D82" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_InventorySuppliesPolicy_41C0332D8706F3A29A086C16BD4AAEDF" id="lab_us-gaap_InventorySuppliesPolicy_41C0332D8706F3A29A086C16BD4AAEDF_terseLabel_en-US">Inventory Supplies, Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_InventorySuppliesPolicy_41C0332D8706F3A29A086C16BD4AAEDF" id="lab_us-gaap_InventorySuppliesPolicy_41C0332D8706F3A29A086C16BD4AAEDF_label_en-US">Inventory Supplies, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InventorySuppliesPolicy" xlink:label="loc_us-gaap_InventorySuppliesPolicy_41C0332D8706F3A29A086C16BD4AAEDF"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_InventorySuppliesPolicy_41C0332D8706F3A29A086C16BD4AAEDF" xlink:from="loc_us-gaap_InventorySuppliesPolicy_41C0332D8706F3A29A086C16BD4AAEDF" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_8DE8E8276867B7DF11A76C16BD4A2BAF" id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_8DE8E8276867B7DF11A76C16BD4A2BAF_terseLabel_en-US">Property, Plant and Equipment, Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_8DE8E8276867B7DF11A76C16BD4A2BAF" id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_8DE8E8276867B7DF11A76C16BD4A2BAF_label_en-US">Property, Plant and Equipment, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_8DE8E8276867B7DF11A76C16BD4A2BAF"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_8DE8E8276867B7DF11A76C16BD4A2BAF" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_8DE8E8276867B7DF11A76C16BD4A2BAF" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentImpairment_4B3CFCFA33B52AB201AB6C16BD4A8EE9" id="lab_us-gaap_PropertyPlantAndEquipmentImpairment_4B3CFCFA33B52AB201AB6C16BD4A8EE9_terseLabel_en-US">Property, Plant and Equipment, Impairment [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentImpairment_4B3CFCFA33B52AB201AB6C16BD4A8EE9" id="lab_us-gaap_PropertyPlantAndEquipmentImpairment_4B3CFCFA33B52AB201AB6C16BD4A8EE9_label_en-US">Property, Plant and Equipment, Impairment [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentImpairment" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentImpairment_4B3CFCFA33B52AB201AB6C16BD4A8EE9"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentImpairment_4B3CFCFA33B52AB201AB6C16BD4A8EE9" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentImpairment_4B3CFCFA33B52AB201AB6C16BD4A8EE9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_EAEF980B0AB089B3349D6C16BD4AC362" id="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_EAEF980B0AB089B3349D6C16BD4AC362_terseLabel_en-US">Fair Value of Financial Instruments, Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_EAEF980B0AB089B3349D6C16BD4AC362" id="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_EAEF980B0AB089B3349D6C16BD4AC362_label_en-US">Fair Value of Financial Instruments, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy_EAEF980B0AB089B3349D6C16BD4AC362"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_EAEF980B0AB089B3349D6C16BD4AC362" xlink:from="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy_EAEF980B0AB089B3349D6C16BD4AC362" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AdvertisingCostPolicyExpensedAdvertisingCost_F67C95BC8DA61DFEDED06C16BD4ACFA6" id="lab_us-gaap_AdvertisingCostPolicyExpensedAdvertisingCost_F67C95BC8DA61DFEDED06C16BD4ACFA6_terseLabel_en-US">Advertising Cost, Policy, Expensed Advertising Cost [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AdvertisingCostPolicyExpensedAdvertisingCost_F67C95BC8DA61DFEDED06C16BD4ACFA6" id="lab_us-gaap_AdvertisingCostPolicyExpensedAdvertisingCost_F67C95BC8DA61DFEDED06C16BD4ACFA6_label_en-US">Advertising Cost, Policy, Expensed Advertising Cost [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdvertisingCostPolicyExpensedAdvertisingCost" xlink:label="loc_us-gaap_AdvertisingCostPolicyExpensedAdvertisingCost_F67C95BC8DA61DFEDED06C16BD4ACFA6"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AdvertisingCostPolicyExpensedAdvertisingCost_F67C95BC8DA61DFEDED06C16BD4ACFA6" xlink:from="loc_us-gaap_AdvertisingCostPolicyExpensedAdvertisingCost_F67C95BC8DA61DFEDED06C16BD4ACFA6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_9BA15196A264362B076B6C16BD4AF586" id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_9BA15196A264362B076B6C16BD4AF586_terseLabel_en-US">Goodwill and Intangible Assets, Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_9BA15196A264362B076B6C16BD4AF586" id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_9BA15196A264362B076B6C16BD4AF586_label_en-US">Goodwill and Intangible Assets, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_9BA15196A264362B076B6C16BD4AF586"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_9BA15196A264362B076B6C16BD4AF586" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_9BA15196A264362B076B6C16BD4AF586" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IntangibleAssetsFiniteLivedPolicy_61B0D3A7021E980397966C16BD4A8CB3" id="lab_us-gaap_IntangibleAssetsFiniteLivedPolicy_61B0D3A7021E980397966C16BD4A8CB3_terseLabel_en-US">Intangible Assets, Finite-Lived, Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IntangibleAssetsFiniteLivedPolicy_61B0D3A7021E980397966C16BD4A8CB3" id="lab_us-gaap_IntangibleAssetsFiniteLivedPolicy_61B0D3A7021E980397966C16BD4A8CB3_label_en-US">Intangible Assets, Finite-Lived, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IntangibleAssetsFiniteLivedPolicy" xlink:label="loc_us-gaap_IntangibleAssetsFiniteLivedPolicy_61B0D3A7021E980397966C16BD4A8CB3"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IntangibleAssetsFiniteLivedPolicy_61B0D3A7021E980397966C16BD4A8CB3" xlink:from="loc_us-gaap_IntangibleAssetsFiniteLivedPolicy_61B0D3A7021E980397966C16BD4A8CB3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_3F78DBE4015F54E318116C16BD4A8351" id="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_3F78DBE4015F54E318116C16BD4A8351_terseLabel_en-US">Commitments and Contingencies, Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_3F78DBE4015F54E318116C16BD4A8351" id="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_3F78DBE4015F54E318116C16BD4A8351_label_en-US">Commitments and Contingencies, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommitmentsAndContingenciesPolicyTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_3F78DBE4015F54E318116C16BD4A8351"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_3F78DBE4015F54E318116C16BD4A8351" xlink:from="loc_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_3F78DBE4015F54E318116C16BD4A8351" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_SelfInsurancePolicyTextBlockPolicyTextBlock_0DB782CB063EF2A989616C16BD4A9342" id="lab_htld_SelfInsurancePolicyTextBlockPolicyTextBlock_0DB782CB063EF2A989616C16BD4A9342_terseLabel_en-US">Self-insurance Policy Text Block [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_SelfInsurancePolicyTextBlockPolicyTextBlock_0DB782CB063EF2A989616C16BD4A9342" id="lab_htld_SelfInsurancePolicyTextBlockPolicyTextBlock_0DB782CB063EF2A989616C16BD4A9342_label_en-US">Self-insurance Policy Text Block [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_SelfInsurancePolicyTextBlockPolicyTextBlock_0DB782CB063EF2A989616C16BD4A9342" id="lab_htld_SelfInsurancePolicyTextBlockPolicyTextBlock_0DB782CB063EF2A989616C16BD4A9342_documentation_en-US">Discription of accounting policy for self insurance reserves associated with auto liability, cargo loss, associated loss adjustment expense, workers compensation and health insurance.</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_SelfInsurancePolicyTextBlockPolicyTextBlock" xlink:label="loc_htld_SelfInsurancePolicyTextBlockPolicyTextBlock_0DB782CB063EF2A989616C16BD4A9342"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_SelfInsurancePolicyTextBlockPolicyTextBlock_0DB782CB063EF2A989616C16BD4A9342" xlink:from="loc_htld_SelfInsurancePolicyTextBlockPolicyTextBlock_0DB782CB063EF2A989616C16BD4A9342" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_3DC8197B3A56C029FD3D6C16BD4B3316" id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_3DC8197B3A56C029FD3D6C16BD4B3316_terseLabel_en-US">Revenue Recognition, Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_3DC8197B3A56C029FD3D6C16BD4B3316" id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_3DC8197B3A56C029FD3D6C16BD4B3316_label_en-US">Revenue Recognition, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="loc_us-gaap_RevenueRecognitionPolicyTextBlock_3DC8197B3A56C029FD3D6C16BD4B3316"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RevenueRecognitionPolicyTextBlock_3DC8197B3A56C029FD3D6C16BD4B3316" xlink:from="loc_us-gaap_RevenueRecognitionPolicyTextBlock_3DC8197B3A56C029FD3D6C16BD4B3316" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CostOfSalesPolicyTextBlock_7C88FE868413AF2634CB6C16BD4BB989" id="lab_us-gaap_CostOfSalesPolicyTextBlock_7C88FE868413AF2634CB6C16BD4BB989_terseLabel_en-US">Cost of Sales, Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CostOfSalesPolicyTextBlock_7C88FE868413AF2634CB6C16BD4BB989" id="lab_us-gaap_CostOfSalesPolicyTextBlock_7C88FE868413AF2634CB6C16BD4BB989_label_en-US">Cost of Sales, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostOfSalesPolicyTextBlock" xlink:label="loc_us-gaap_CostOfSalesPolicyTextBlock_7C88FE868413AF2634CB6C16BD4BB989"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CostOfSalesPolicyTextBlock_7C88FE868413AF2634CB6C16BD4BB989" xlink:from="loc_us-gaap_CostOfSalesPolicyTextBlock_7C88FE868413AF2634CB6C16BD4BB989" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_DD372F01A2EEBD68F2976C16BD4BACC0" id="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_DD372F01A2EEBD68F2976C16BD4BACC0_terseLabel_en-US">Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_DD372F01A2EEBD68F2976C16BD4BACC0" id="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_DD372F01A2EEBD68F2976C16BD4BACC0_label_en-US">Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_DD372F01A2EEBD68F2976C16BD4BACC0"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_DD372F01A2EEBD68F2976C16BD4BACC0" xlink:from="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_DD372F01A2EEBD68F2976C16BD4BACC0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock_EBBC63CF472A2DB502AF6C16BD4B73FA" id="lab_us-gaap_EarningsPerSharePolicyTextBlock_EBBC63CF472A2DB502AF6C16BD4B73FA_terseLabel_en-US">Earnings Per Share, Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock_EBBC63CF472A2DB502AF6C16BD4B73FA" id="lab_us-gaap_EarningsPerSharePolicyTextBlock_EBBC63CF472A2DB502AF6C16BD4B73FA_label_en-US">Earnings Per Share, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="loc_us-gaap_EarningsPerSharePolicyTextBlock_EBBC63CF472A2DB502AF6C16BD4B73FA"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_EarningsPerSharePolicyTextBlock_EBBC63CF472A2DB502AF6C16BD4B73FA" xlink:from="loc_us-gaap_EarningsPerSharePolicyTextBlock_EBBC63CF472A2DB502AF6C16BD4B73FA" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_E8AB8F5E27DDF07FCB566C16BD4B4C28" id="lab_us-gaap_IncomeTaxPolicyTextBlock_E8AB8F5E27DDF07FCB566C16BD4B4C28_terseLabel_en-US">Income Tax, Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_E8AB8F5E27DDF07FCB566C16BD4B4C28" id="lab_us-gaap_IncomeTaxPolicyTextBlock_E8AB8F5E27DDF07FCB566C16BD4B4C28_label_en-US">Income Tax, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock_E8AB8F5E27DDF07FCB566C16BD4B4C28"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeTaxPolicyTextBlock_E8AB8F5E27DDF07FCB566C16BD4B4C28" xlink:from="loc_us-gaap_IncomeTaxPolicyTextBlock_E8AB8F5E27DDF07FCB566C16BD4B4C28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxUncertaintiesPolicy_33CBA8B8D6EA04FF20B06C16BD4B2256" id="lab_us-gaap_IncomeTaxUncertaintiesPolicy_33CBA8B8D6EA04FF20B06C16BD4B2256_terseLabel_en-US">Income Tax Uncertainties, Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxUncertaintiesPolicy_33CBA8B8D6EA04FF20B06C16BD4B2256" id="lab_us-gaap_IncomeTaxUncertaintiesPolicy_33CBA8B8D6EA04FF20B06C16BD4B2256_label_en-US">Income Tax Uncertainties, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxUncertaintiesPolicy" xlink:label="loc_us-gaap_IncomeTaxUncertaintiesPolicy_33CBA8B8D6EA04FF20B06C16BD4B2256"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeTaxUncertaintiesPolicy_33CBA8B8D6EA04FF20B06C16BD4B2256" xlink:from="loc_us-gaap_IncomeTaxUncertaintiesPolicy_33CBA8B8D6EA04FF20B06C16BD4B2256" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_9210715D67D3EC382DBB6C16BD4BFDE3" id="lab_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_9210715D67D3EC382DBB6C16BD4BFDE3_terseLabel_en-US">Stockholders' Equity, Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_9210715D67D3EC382DBB6C16BD4BFDE3" id="lab_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_9210715D67D3EC382DBB6C16BD4BFDE3_label_en-US">Comprehensive Income, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" xlink:label="loc_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_9210715D67D3EC382DBB6C16BD4BFDE3"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_9210715D67D3EC382DBB6C16BD4BFDE3" xlink:from="loc_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_9210715D67D3EC382DBB6C16BD4BFDE3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_DFBA6DAE1375DEBC38656C16BD4BACAA" id="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_DFBA6DAE1375DEBC38656C16BD4BACAA_terseLabel_en-US">New Accounting Pronouncements, Policy [Policy Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_DFBA6DAE1375DEBC38656C16BD4BACAA" id="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_DFBA6DAE1375DEBC38656C16BD4BACAA_label_en-US">New Accounting Pronouncements, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_DFBA6DAE1375DEBC38656C16BD4BACAA"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_DFBA6DAE1375DEBC38656C16BD4BACAA" xlink:from="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_DFBA6DAE1375DEBC38656C16BD4BACAA" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NumberOfReportableSegments_BFF639DB316A534D9723E5788D49C55F" id="lab_us-gaap_NumberOfReportableSegments_BFF639DB316A534D9723E5788D49C55F_terseLabel_en-US">Number of Reportable Segments</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NumberOfReportableSegments_BFF639DB316A534D9723E5788D49C55F" id="lab_us-gaap_NumberOfReportableSegments_BFF639DB316A534D9723E5788D49C55F_label_en-US">Number of Reportable Segments</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="loc_us-gaap_NumberOfReportableSegments_BFF639DB316A534D9723E5788D49C55F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NumberOfReportableSegments_BFF639DB316A534D9723E5788D49C55F" xlink:from="loc_us-gaap_NumberOfReportableSegments_BFF639DB316A534D9723E5788D49C55F" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ShareRepurchasesAbstract_8FCE48A3B19717E6C6EA830EE2A77B63" id="lab_htld_ShareRepurchasesAbstract_8FCE48A3B19717E6C6EA830EE2A77B63_label_en-US">Share Repurchases [Abstract]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ShareRepurchasesAbstract_8FCE48A3B19717E6C6EA830EE2A77B63" id="lab_htld_ShareRepurchasesAbstract_8FCE48A3B19717E6C6EA830EE2A77B63_documentation_en-US">Note 10. Share Repurchases [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_ShareRepurchasesAbstract" xlink:label="loc_htld_ShareRepurchasesAbstract_8FCE48A3B19717E6C6EA830EE2A77B63"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_ShareRepurchasesAbstract_8FCE48A3B19717E6C6EA830EE2A77B63" xlink:from="loc_htld_ShareRepurchasesAbstract_8FCE48A3B19717E6C6EA830EE2A77B63" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_StockRepurchaseShares_23C055EE7DD7B86A78B5830EE2A7DC6E" id="lab_htld_StockRepurchaseShares_23C055EE7DD7B86A78B5830EE2A7DC6E_terseLabel_en-US">Stock Repurchase Shares Authorized</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_StockRepurchaseShares_23C055EE7DD7B86A78B5830EE2A7DC6E" id="lab_htld_StockRepurchaseShares_23C055EE7DD7B86A78B5830EE2A7DC6E_label_en-US">stock repurchase shares</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_StockRepurchaseShares_23C055EE7DD7B86A78B5830EE2A7DC6E" id="lab_htld_StockRepurchaseShares_23C055EE7DD7B86A78B5830EE2A7DC6E_documentation_en-US">The number of shares authorized by an entity's Board of Directors under a stock repurchase plan.</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_StockRepurchaseShares" xlink:label="loc_htld_StockRepurchaseShares_23C055EE7DD7B86A78B5830EE2A7DC6E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_StockRepurchaseShares_23C055EE7DD7B86A78B5830EE2A7DC6E" xlink:from="loc_htld_StockRepurchaseShares_23C055EE7DD7B86A78B5830EE2A7DC6E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_TreasuryStockSharesAcquired_98E2DDE4C54A4017D197830EE2A76389" id="lab_us-gaap_TreasuryStockSharesAcquired_98E2DDE4C54A4017D197830EE2A76389_terseLabel_en-US">Treasury Stock, Shares, Acquired</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_TreasuryStockSharesAcquired_98E2DDE4C54A4017D197830EE2A76389" id="lab_us-gaap_TreasuryStockSharesAcquired_98E2DDE4C54A4017D197830EE2A76389_label_en-US">Treasury Stock, Shares, Acquired</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_98E2DDE4C54A4017D197830EE2A76389"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_TreasuryStockSharesAcquired_98E2DDE4C54A4017D197830EE2A76389" xlink:from="loc_us-gaap_TreasuryStockSharesAcquired_98E2DDE4C54A4017D197830EE2A76389" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_97484FE4D58F85B9931C830EE2A7B080" id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_97484FE4D58F85B9931C830EE2A7B080_negatedLabel_en-US">Repurchases of common stock</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_97484FE4D58F85B9931C830EE2A7B080" id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_97484FE4D58F85B9931C830EE2A7B080_label_en-US">Payments for Repurchase of Common Stock</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_97484FE4D58F85B9931C830EE2A7B080"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_97484FE4D58F85B9931C830EE2A7B080" xlink:from="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_97484FE4D58F85B9931C830EE2A7B080" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PaymentsOfDividends_70E6989C12B6073407E3830EE2A701A0" id="lab_us-gaap_PaymentsOfDividends_70E6989C12B6073407E3830EE2A701A0_terseLabel_en-US">Payments of Dividends</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="loc_us-gaap_PaymentsOfDividends_70E6989C12B6073407E3830EE2A701A0"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PaymentsOfDividends_70E6989C12B6073407E3830EE2A701A0" xlink:from="loc_us-gaap_PaymentsOfDividends_70E6989C12B6073407E3830EE2A701A0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_MovementInValuationAllowancesAndReservesRollForward_186F4E8F323B29B50AA7E5788D2A187C" id="lab_us-gaap_MovementInValuationAllowancesAndReservesRollForward_186F4E8F323B29B50AA7E5788D2A187C_terseLabel_en-US">Movement in Valuation Allowances and Reserves [Roll Forward]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_MovementInValuationAllowancesAndReservesRollForward_186F4E8F323B29B50AA7E5788D2A187C" id="lab_us-gaap_MovementInValuationAllowancesAndReservesRollForward_186F4E8F323B29B50AA7E5788D2A187C_label_en-US">Movement in Valuation Allowances and Reserves [Roll Forward]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MovementInValuationAllowancesAndReservesRollForward" xlink:label="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_186F4E8F323B29B50AA7E5788D2A187C"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_MovementInValuationAllowancesAndReservesRollForward_186F4E8F323B29B50AA7E5788D2A187C" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_186F4E8F323B29B50AA7E5788D2A187C" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesBalance_73D3FBCCB6AFBDEF2876E5788D2A3CAB" id="lab_us-gaap_ValuationAllowancesAndReservesBalance_73D3FBCCB6AFBDEF2876E5788D2A3CAB_periodStartLabel_en-US">Valuation Allowances and Reserves, Balance Beginning of Period</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesBalance_73D3FBCCB6AFBDEF2876E5788D2A3CAB" id="lab_us-gaap_ValuationAllowancesAndReservesBalance_73D3FBCCB6AFBDEF2876E5788D2A3CAB_label_en-US">Valuation Allowances and Reserves, Balance</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesBalance_73D3FBCCB6AFBDEF2876E5788D2A3CAB"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ValuationAllowancesAndReservesBalance_73D3FBCCB6AFBDEF2876E5788D2A3CAB" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesBalance_73D3FBCCB6AFBDEF2876E5788D2A3CAB" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_7BDE6495F22068ED0A85E5788D2A2BF2" id="lab_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_7BDE6495F22068ED0A85E5788D2A2BF2_terseLabel_en-US">Valuation Allowances and Reserves, Charged to Cost and Expense</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_7BDE6495F22068ED0A85E5788D2A2BF2" id="lab_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_7BDE6495F22068ED0A85E5788D2A2BF2_label_en-US">Valuation Allowances and Reserves, Additions for Charges to Cost and Expense</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_7BDE6495F22068ED0A85E5788D2A2BF2"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_7BDE6495F22068ED0A85E5788D2A2BF2" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_7BDE6495F22068ED0A85E5788D2A2BF2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_940AF6B75AD07B190B7BE5788D2ADEC2" id="lab_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_940AF6B75AD07B190B7BE5788D2ADEC2_terseLabel_en-US">Valuation Allowances and Reserves, Charged to Other Accounts</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_940AF6B75AD07B190B7BE5788D2ADEC2" id="lab_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_940AF6B75AD07B190B7BE5788D2ADEC2_label_en-US">Valuation Allowances and Reserves, Additions for Charges to Other Accounts</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_940AF6B75AD07B190B7BE5788D2ADEC2"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_940AF6B75AD07B190B7BE5788D2ADEC2" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_940AF6B75AD07B190B7BE5788D2ADEC2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesDeductions_1BE82C02D44225D86633E5788D2A1AE1" id="lab_us-gaap_ValuationAllowancesAndReservesDeductions_1BE82C02D44225D86633E5788D2A1AE1_terseLabel_en-US">Valuation Allowances and Reserves, Deductions</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesDeductions_1BE82C02D44225D86633E5788D2A1AE1" id="lab_us-gaap_ValuationAllowancesAndReservesDeductions_1BE82C02D44225D86633E5788D2A1AE1_label_en-US">Valuation Allowances and Reserves, Deductions</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDeductions" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDeductions_1BE82C02D44225D86633E5788D2A1AE1"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ValuationAllowancesAndReservesDeductions_1BE82C02D44225D86633E5788D2A1AE1" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDeductions_1BE82C02D44225D86633E5788D2A1AE1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesBalance_8FE450DDB1B731A00D6BE5788D2A675F" id="lab_us-gaap_ValuationAllowancesAndReservesBalance_8FE450DDB1B731A00D6BE5788D2A675F_periodEndLabel_en-US">Valuation Allowances and Reserves, Balance End of Period</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesBalance_8FE450DDB1B731A00D6BE5788D2A675F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ValuationAllowancesAndReservesBalance_8FE450DDB1B731A00D6BE5788D2A675F" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesBalance_8FE450DDB1B731A00D6BE5788D2A675F" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LeasesAbstract_C57D4FF7F3C6E2BB2684E5788D40A84F" id="lab_us-gaap_LeasesAbstract_C57D4FF7F3C6E2BB2684E5788D40A84F_label_en-US">Leases [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract_C57D4FF7F3C6E2BB2684E5788D40A84F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LeasesAbstract_C57D4FF7F3C6E2BB2684E5788D40A84F" xlink:from="loc_us-gaap_LeasesAbstract_C57D4FF7F3C6E2BB2684E5788D40A84F" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_18FE24D3AD78C7695FDAE5788D409C68" id="lab_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_18FE24D3AD78C7695FDAE5788D409C68_terseLabel_en-US">Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_18FE24D3AD78C7695FDAE5788D409C68" id="lab_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_18FE24D3AD78C7695FDAE5788D409C68_label_en-US">Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_18FE24D3AD78C7695FDAE5788D409C68"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_18FE24D3AD78C7695FDAE5788D409C68" xlink:from="loc_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_18FE24D3AD78C7695FDAE5788D409C68" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Portionoftaxbenefitrecordedpositionsmorelikelythannottobesustained_742BC64F8E3B12142446E5788CE6FB66" id="lab_htld_Portionoftaxbenefitrecordedpositionsmorelikelythannottobesustained_742BC64F8E3B12142446E5788CE6FB66_terseLabel_en-US">PortionOfTaxBenefitRecordedPositionsMoreLikelyThanNotToBeSustained</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Portionoftaxbenefitrecordedpositionsmorelikelythannottobesustained_742BC64F8E3B12142446E5788CE6FB66" id="lab_htld_Portionoftaxbenefitrecordedpositionsmorelikelythannottobesustained_742BC64F8E3B12142446E5788CE6FB66_label_en-US">PortionOfTaxBenefitRecordedPositionsMoreLikelyThanNotToBeSustained</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Portionoftaxbenefitrecordedpositionsmorelikelythannottobesustained_742BC64F8E3B12142446E5788CE6FB66" id="lab_htld_Portionoftaxbenefitrecordedpositionsmorelikelythannottobesustained_742BC64F8E3B12142446E5788CE6FB66_documentation_en-US">PortionOfTaxBenefitRecordedPositionsMoreLikelyThanNotToBeSustained</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_Portionoftaxbenefitrecordedpositionsmorelikelythannottobesustained" xlink:label="loc_htld_Portionoftaxbenefitrecordedpositionsmorelikelythannottobesustained_742BC64F8E3B12142446E5788CE6FB66"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_Portionoftaxbenefitrecordedpositionsmorelikelythannottobesustained_742BC64F8E3B12142446E5788CE6FB66" xlink:from="loc_htld_Portionoftaxbenefitrecordedpositionsmorelikelythannottobesustained_742BC64F8E3B12142446E5788CE6FB66" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_2FEB060101BBA7110725E5788CBC3B83" id="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_2FEB060101BBA7110725E5788CBC3B83_terseLabel_en-US">Stockholders' Equity</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_2FEB060101BBA7110725E5788CBC3B83" id="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_2FEB060101BBA7110725E5788CBC3B83_label_en-US">Stockholders' Equity Note Disclosure [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_2FEB060101BBA7110725E5788CBC3B83"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_2FEB060101BBA7110725E5788CBC3B83" xlink:from="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_2FEB060101BBA7110725E5788CBC3B83" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract_14EFC8E12C3F48BBEA774704A72A597B" id="lab_us-gaap_StatementOfFinancialPositionAbstract_14EFC8E12C3F48BBEA774704A72A597B_label_en-US">Statement of Financial Position [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_14EFC8E12C3F48BBEA774704A72A597B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StatementOfFinancialPositionAbstract_14EFC8E12C3F48BBEA774704A72A597B" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_14EFC8E12C3F48BBEA774704A72A597B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AssetsAbstract_9AF7B30C0155E2AC1B684704A72A1178" id="lab_us-gaap_AssetsAbstract_9AF7B30C0155E2AC1B684704A72A1178_terseLabel_en-US">ASSETS</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AssetsAbstract_9AF7B30C0155E2AC1B684704A72A1178" id="lab_us-gaap_AssetsAbstract_9AF7B30C0155E2AC1B684704A72A1178_label_en-US">Assets [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_9AF7B30C0155E2AC1B684704A72A1178"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AssetsAbstract_9AF7B30C0155E2AC1B684704A72A1178" xlink:from="loc_us-gaap_AssetsAbstract_9AF7B30C0155E2AC1B684704A72A1178" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AssetsCurrentAbstract_00648DC9BB50106EF89A4704A72ABC77" id="lab_us-gaap_AssetsCurrentAbstract_00648DC9BB50106EF89A4704A72ABC77_terseLabel_en-US">CURRENT ASSETS</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AssetsCurrentAbstract_00648DC9BB50106EF89A4704A72ABC77" id="lab_us-gaap_AssetsCurrentAbstract_00648DC9BB50106EF89A4704A72ABC77_label_en-US">Assets, Current [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_00648DC9BB50106EF89A4704A72ABC77"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AssetsCurrentAbstract_00648DC9BB50106EF89A4704A72ABC77" xlink:from="loc_us-gaap_AssetsCurrentAbstract_00648DC9BB50106EF89A4704A72ABC77" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_A39FE85D9C753A92AE524704A72A7679" id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_A39FE85D9C753A92AE524704A72A7679_terseLabel_en-US">Cash and cash equivalents</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_A39FE85D9C753A92AE524704A72A7679" id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_A39FE85D9C753A92AE524704A72A7679_label_en-US">Cash and Cash Equivalents, at Carrying Value</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_A39FE85D9C753A92AE524704A72A7679"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_A39FE85D9C753A92AE524704A72A7679" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_A39FE85D9C753A92AE524704A72A7679" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_208D0392E58B01EB77C54704A72A4340" id="lab_us-gaap_AccountsReceivableNetCurrent_208D0392E58B01EB77C54704A72A4340_terseLabel_en-US">Trade receivables, net</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_208D0392E58B01EB77C54704A72A4340" id="lab_us-gaap_AccountsReceivableNetCurrent_208D0392E58B01EB77C54704A72A4340_label_en-US">Accounts Receivable, Net, Current</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_208D0392E58B01EB77C54704A72A4340"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AccountsReceivableNetCurrent_208D0392E58B01EB77C54704A72A4340" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_208D0392E58B01EB77C54704A72A4340" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OtherPrepaidExpenseCurrent_95D92682312B3105AD364704A72AC031" id="lab_us-gaap_OtherPrepaidExpenseCurrent_95D92682312B3105AD364704A72AC031_terseLabel_en-US">Prepaid tires</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OtherPrepaidExpenseCurrent_95D92682312B3105AD364704A72AC031" id="lab_us-gaap_OtherPrepaidExpenseCurrent_95D92682312B3105AD364704A72AC031_label_en-US">Other Prepaid Expense, Current</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherPrepaidExpenseCurrent" xlink:label="loc_us-gaap_OtherPrepaidExpenseCurrent_95D92682312B3105AD364704A72AC031"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OtherPrepaidExpenseCurrent_95D92682312B3105AD364704A72AC031" xlink:from="loc_us-gaap_OtherPrepaidExpenseCurrent_95D92682312B3105AD364704A72AC031" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_Supplies_6757EFE5F5A0FC8580E04704A72A4684" id="lab_us-gaap_Supplies_6757EFE5F5A0FC8580E04704A72A4684_terseLabel_en-US">Prepaid shop supplies</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_Supplies_6757EFE5F5A0FC8580E04704A72A4684" id="lab_us-gaap_Supplies_6757EFE5F5A0FC8580E04704A72A4684_label_en-US">Prepaid Supplies</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Supplies" xlink:label="loc_us-gaap_Supplies_6757EFE5F5A0FC8580E04704A72A4684"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_Supplies_6757EFE5F5A0FC8580E04704A72A4684" xlink:from="loc_us-gaap_Supplies_6757EFE5F5A0FC8580E04704A72A4684" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OtherAssetsCurrent_1D035056A040EB52DDD44704A72AC839" id="lab_us-gaap_OtherAssetsCurrent_1D035056A040EB52DDD44704A72AC839_terseLabel_en-US">Other current assets</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OtherAssetsCurrent_1D035056A040EB52DDD44704A72AC839" id="lab_us-gaap_OtherAssetsCurrent_1D035056A040EB52DDD44704A72AC839_label_en-US">Other Assets, Current</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_1D035056A040EB52DDD44704A72AC839"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OtherAssetsCurrent_1D035056A040EB52DDD44704A72AC839" xlink:from="loc_us-gaap_OtherAssetsCurrent_1D035056A040EB52DDD44704A72AC839" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxesReceivable_523589261E953B1F355B4704A72AA8C9" id="lab_us-gaap_IncomeTaxesReceivable_523589261E953B1F355B4704A72AA8C9_terseLabel_en-US">Income tax receivable</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxesReceivable_523589261E953B1F355B4704A72AA8C9" id="lab_us-gaap_IncomeTaxesReceivable_523589261E953B1F355B4704A72AA8C9_label_en-US">Income Taxes Receivable, Current</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxesReceivable" xlink:label="loc_us-gaap_IncomeTaxesReceivable_523589261E953B1F355B4704A72AA8C9"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeTaxesReceivable_523589261E953B1F355B4704A72AA8C9" xlink:from="loc_us-gaap_IncomeTaxesReceivable_523589261E953B1F355B4704A72AA8C9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DeferredTaxAssetsNetCurrent_7525E25B97C45D2E70394704A72A5E55" id="lab_us-gaap_DeferredTaxAssetsNetCurrent_7525E25B97C45D2E70394704A72A5E55_terseLabel_en-US">Deferred income taxes, net</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsNetCurrent_7525E25B97C45D2E70394704A72A5E55"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DeferredTaxAssetsNetCurrent_7525E25B97C45D2E70394704A72A5E55" xlink:from="loc_us-gaap_DeferredTaxAssetsNetCurrent_7525E25B97C45D2E70394704A72A5E55" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AssetsCurrent_CF9D4BCD19F7097015204704A72AB855" id="lab_us-gaap_AssetsCurrent_CF9D4BCD19F7097015204704A72AB855_totalLabel_en-US">Total current assets</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AssetsCurrent_CF9D4BCD19F7097015204704A72AB855" id="lab_us-gaap_AssetsCurrent_CF9D4BCD19F7097015204704A72AB855_label_en-US">Assets, Current</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_CF9D4BCD19F7097015204704A72AB855"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AssetsCurrent_CF9D4BCD19F7097015204704A72AB855" xlink:from="loc_us-gaap_AssetsCurrent_CF9D4BCD19F7097015204704A72AB855" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AssetsNoncurrentAbstract_B90506C210AA3E4F5E284704A72A51A3" id="lab_us-gaap_AssetsNoncurrentAbstract_B90506C210AA3E4F5E284704A72A51A3_terseLabel_en-US">Assets, Noncurrent [Abstract]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AssetsNoncurrentAbstract_B90506C210AA3E4F5E284704A72A51A3" id="lab_us-gaap_AssetsNoncurrentAbstract_B90506C210AA3E4F5E284704A72A51A3_label_en-US">Assets, Noncurrent [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetsNoncurrentAbstract" xlink:label="loc_us-gaap_AssetsNoncurrentAbstract_B90506C210AA3E4F5E284704A72A51A3"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AssetsNoncurrentAbstract_B90506C210AA3E4F5E284704A72A51A3" xlink:from="loc_us-gaap_AssetsNoncurrentAbstract_B90506C210AA3E4F5E284704A72A51A3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGrossAbstract_D9A09715AB11ECE2137F4704A72AEF8A" id="lab_us-gaap_PropertyPlantAndEquipmentGrossAbstract_D9A09715AB11ECE2137F4704A72AEF8A_terseLabel_en-US">PROPERTY AND EQUIPMENT</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGrossAbstract_D9A09715AB11ECE2137F4704A72AEF8A" id="lab_us-gaap_PropertyPlantAndEquipmentGrossAbstract_D9A09715AB11ECE2137F4704A72AEF8A_label_en-US">Property, Plant and Equipment, Gross [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGrossAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGrossAbstract_D9A09715AB11ECE2137F4704A72AEF8A"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentGrossAbstract_D9A09715AB11ECE2137F4704A72AEF8A" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGrossAbstract_D9A09715AB11ECE2137F4704A72AEF8A" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LandAndLandImprovements_44BE8C3117FA06D0CD904704A72A69CE" id="lab_us-gaap_LandAndLandImprovements_44BE8C3117FA06D0CD904704A72A69CE_terseLabel_en-US">Land and land improvements</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LandAndLandImprovements_44BE8C3117FA06D0CD904704A72A69CE" id="lab_us-gaap_LandAndLandImprovements_44BE8C3117FA06D0CD904704A72A69CE_label_en-US">Land and Land Improvements</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LandAndLandImprovements" xlink:label="loc_us-gaap_LandAndLandImprovements_44BE8C3117FA06D0CD904704A72A69CE"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LandAndLandImprovements_44BE8C3117FA06D0CD904704A72A69CE" xlink:from="loc_us-gaap_LandAndLandImprovements_44BE8C3117FA06D0CD904704A72A69CE" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_BuildingsAndImprovementsGross_153704CEA6CC6E7E81EF4704A72AFB65" id="lab_us-gaap_BuildingsAndImprovementsGross_153704CEA6CC6E7E81EF4704A72AFB65_terseLabel_en-US">Buildings</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_BuildingsAndImprovementsGross_153704CEA6CC6E7E81EF4704A72AFB65" id="lab_us-gaap_BuildingsAndImprovementsGross_153704CEA6CC6E7E81EF4704A72AFB65_label_en-US">Buildings and Improvements, Gross</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BuildingsAndImprovementsGross" xlink:label="loc_us-gaap_BuildingsAndImprovementsGross_153704CEA6CC6E7E81EF4704A72AFB65"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_BuildingsAndImprovementsGross_153704CEA6CC6E7E81EF4704A72AFB65" xlink:from="loc_us-gaap_BuildingsAndImprovementsGross_153704CEA6CC6E7E81EF4704A72AFB65" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LeaseholdImprovementsGross_44CF163268294A4127D44704A72AACA1" id="lab_us-gaap_LeaseholdImprovementsGross_44CF163268294A4127D44704A72AACA1_terseLabel_en-US">Leasehold improvements</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LeaseholdImprovementsGross_44CF163268294A4127D44704A72AACA1" id="lab_us-gaap_LeaseholdImprovementsGross_44CF163268294A4127D44704A72AACA1_label_en-US">Leasehold Improvements, Gross</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LeaseholdImprovementsGross" xlink:label="loc_us-gaap_LeaseholdImprovementsGross_44CF163268294A4127D44704A72AACA1"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LeaseholdImprovementsGross_44CF163268294A4127D44704A72AACA1" xlink:from="loc_us-gaap_LeaseholdImprovementsGross_44CF163268294A4127D44704A72AACA1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FurnitureAndFixturesGross_CCEDA53421B8C7DCABA14704A72A4069" id="lab_us-gaap_FurnitureAndFixturesGross_CCEDA53421B8C7DCABA14704A72A4069_terseLabel_en-US">Furniture and fixtures</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FurnitureAndFixturesGross_CCEDA53421B8C7DCABA14704A72A4069" id="lab_us-gaap_FurnitureAndFixturesGross_CCEDA53421B8C7DCABA14704A72A4069_label_en-US">Furniture and Fixtures, Gross</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FurnitureAndFixturesGross" xlink:label="loc_us-gaap_FurnitureAndFixturesGross_CCEDA53421B8C7DCABA14704A72A4069"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_FurnitureAndFixturesGross_CCEDA53421B8C7DCABA14704A72A4069" xlink:from="loc_us-gaap_FurnitureAndFixturesGross_CCEDA53421B8C7DCABA14704A72A4069" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_MachineryAndEquipmentGross_03D43AEA4CBFEC0485384704A72A92E2" id="lab_us-gaap_MachineryAndEquipmentGross_03D43AEA4CBFEC0485384704A72A92E2_terseLabel_en-US">Shop and service equipment</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_MachineryAndEquipmentGross_03D43AEA4CBFEC0485384704A72A92E2" id="lab_us-gaap_MachineryAndEquipmentGross_03D43AEA4CBFEC0485384704A72A92E2_label_en-US">Machinery and Equipment, Gross</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MachineryAndEquipmentGross" xlink:label="loc_us-gaap_MachineryAndEquipmentGross_03D43AEA4CBFEC0485384704A72A92E2"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_MachineryAndEquipmentGross_03D43AEA4CBFEC0485384704A72A92E2" xlink:from="loc_us-gaap_MachineryAndEquipmentGross_03D43AEA4CBFEC0485384704A72A92E2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_RevenueEquipment_774C2D8363915521EFF94704A72A1396" id="lab_htld_RevenueEquipment_774C2D8363915521EFF94704A72A1396_terseLabel_en-US">Revenue equipment</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_RevenueEquipment_774C2D8363915521EFF94704A72A1396" id="lab_htld_RevenueEquipment_774C2D8363915521EFF94704A72A1396_label_en-US">REVENUE EQUIPMENT</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_RevenueEquipment_774C2D8363915521EFF94704A72A1396" id="lab_htld_RevenueEquipment_774C2D8363915521EFF94704A72A1396_documentation_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:type="locator" xlink:href="htld-20161231.xsd#htld_RevenueEquipment" xlink:label="loc_htld_RevenueEquipment_774C2D8363915521EFF94704A72A1396"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_RevenueEquipment_774C2D8363915521EFF94704A72A1396" xlink:from="loc_htld_RevenueEquipment_774C2D8363915521EFF94704A72A1396" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConstructionInProgressGross_8836DD588C7BAEEFD2024704A72A38E2" id="lab_us-gaap_ConstructionInProgressGross_8836DD588C7BAEEFD2024704A72A38E2_terseLabel_en-US">Construction in progress</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConstructionInProgressGross_8836DD588C7BAEEFD2024704A72A38E2" id="lab_us-gaap_ConstructionInProgressGross_8836DD588C7BAEEFD2024704A72A38E2_label_en-US">Construction in Progress, Gross</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConstructionInProgressGross" xlink:label="loc_us-gaap_ConstructionInProgressGross_8836DD588C7BAEEFD2024704A72A38E2"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ConstructionInProgressGross_8836DD588C7BAEEFD2024704A72A38E2" xlink:from="loc_us-gaap_ConstructionInProgressGross_8836DD588C7BAEEFD2024704A72A38E2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_1F095C3AF8E1A3C518124704A72AC6B4" id="lab_us-gaap_PropertyPlantAndEquipmentGross_1F095C3AF8E1A3C518124704A72AC6B4_totalLabel_en-US">Property and equipment, gross</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_1F095C3AF8E1A3C518124704A72AC6B4" id="lab_us-gaap_PropertyPlantAndEquipmentGross_1F095C3AF8E1A3C518124704A72AC6B4_label_en-US">Property, Plant and Equipment, Gross</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_1F095C3AF8E1A3C518124704A72AC6B4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentGross_1F095C3AF8E1A3C518124704A72AC6B4" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_1F095C3AF8E1A3C518124704A72AC6B4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_E1D09428DB23C9A759F54704A72A3700" id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_E1D09428DB23C9A759F54704A72A3700_terseLabel_en-US">Less accumulated depreciation</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_E1D09428DB23C9A759F54704A72A3700" id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_E1D09428DB23C9A759F54704A72A3700_label_en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_E1D09428DB23C9A759F54704A72A3700"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_E1D09428DB23C9A759F54704A72A3700" xlink:from="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_E1D09428DB23C9A759F54704A72A3700" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_D90D8569A09F80947E164704A72A3EC2" id="lab_us-gaap_PropertyPlantAndEquipmentNet_D90D8569A09F80947E164704A72A3EC2_totalLabel_en-US">Property and equipment, net</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_D90D8569A09F80947E164704A72A3EC2" id="lab_us-gaap_PropertyPlantAndEquipmentNet_D90D8569A09F80947E164704A72A3EC2_label_en-US">Property, Plant and Equipment, Net</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_D90D8569A09F80947E164704A72A3EC2"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_D90D8569A09F80947E164704A72A3EC2" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_D90D8569A09F80947E164704A72A3EC2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_Goodwill_E85FE7735FF02E4198224704A72A43B1" id="lab_us-gaap_Goodwill_E85FE7735FF02E4198224704A72A43B1_terseLabel_en-US">Goodwill</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_Goodwill_E85FE7735FF02E4198224704A72A43B1" id="lab_us-gaap_Goodwill_E85FE7735FF02E4198224704A72A43B1_label_en-US">Goodwill</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_E85FE7735FF02E4198224704A72A43B1"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_Goodwill_E85FE7735FF02E4198224704A72A43B1" xlink:from="loc_us-gaap_Goodwill_E85FE7735FF02E4198224704A72A43B1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_1EE2EA81CD254633ED864704A72AC0F5" id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_1EE2EA81CD254633ED864704A72AC0F5_terseLabel_en-US">OTHER INTANGIBLES, NET</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_1EE2EA81CD254633ED864704A72AC0F5" id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_1EE2EA81CD254633ED864704A72AC0F5_label_en-US">Intangible Assets, Net (Excluding Goodwill)</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_1EE2EA81CD254633ED864704A72AC0F5"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_1EE2EA81CD254633ED864704A72AC0F5" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_1EE2EA81CD254633ED864704A72AC0F5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DeferredIncomeTaxAssetsNet_79EAC9779605F48EAB004704A7493383" id="lab_us-gaap_DeferredIncomeTaxAssetsNet_79EAC9779605F48EAB004704A7493383_terseLabel_en-US">Deferred Income Tax Assets, Net</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DeferredIncomeTaxAssetsNet_79EAC9779605F48EAB004704A7493383" id="lab_us-gaap_DeferredIncomeTaxAssetsNet_79EAC9779605F48EAB004704A7493383_label_en-US">Deferred Income Tax Assets, Net</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_79EAC9779605F48EAB004704A7493383"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DeferredIncomeTaxAssetsNet_79EAC9779605F48EAB004704A7493383" xlink:from="loc_us-gaap_DeferredIncomeTaxAssetsNet_79EAC9779605F48EAB004704A7493383" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_DB40EF442F1C4D78CD3D4704A72A54FA" id="lab_us-gaap_OtherAssetsNoncurrent_DB40EF442F1C4D78CD3D4704A72A54FA_verboseLabel_en-US">OTHER ASSETS</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_DB40EF442F1C4D78CD3D4704A72A54FA" id="lab_us-gaap_OtherAssetsNoncurrent_DB40EF442F1C4D78CD3D4704A72A54FA_label_en-US">Other Assets, Noncurrent</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_DB40EF442F1C4D78CD3D4704A72A54FA"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OtherAssetsNoncurrent_DB40EF442F1C4D78CD3D4704A72A54FA" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_DB40EF442F1C4D78CD3D4704A72A54FA" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_Assets_D650B3222D0CF68D2EE14704A72ADD13" id="lab_us-gaap_Assets_D650B3222D0CF68D2EE14704A72ADD13_totalLabel_en-US">Assets</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_Assets_D650B3222D0CF68D2EE14704A72ADD13" id="lab_us-gaap_Assets_D650B3222D0CF68D2EE14704A72ADD13_label_en-US">Assets</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_D650B3222D0CF68D2EE14704A72ADD13"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_Assets_D650B3222D0CF68D2EE14704A72ADD13" xlink:from="loc_us-gaap_Assets_D650B3222D0CF68D2EE14704A72ADD13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_62DFD540350AA6F38E834704A72AC7CB" id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_62DFD540350AA6F38E834704A72AC7CB_terseLabel_en-US">LIABILITIES AND STOCKHOLDERS' EQUITY</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_62DFD540350AA6F38E834704A72AC7CB" id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_62DFD540350AA6F38E834704A72AC7CB_label_en-US">Liabilities and Equity [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_62DFD540350AA6F38E834704A72AC7CB"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_62DFD540350AA6F38E834704A72AC7CB" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_62DFD540350AA6F38E834704A72AC7CB" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_99EFD67374E2CDFE78D74704A72AEB2D" id="lab_us-gaap_LiabilitiesCurrentAbstract_99EFD67374E2CDFE78D74704A72AEB2D_terseLabel_en-US">CURRENT LIABILITIES</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_99EFD67374E2CDFE78D74704A72AEB2D" id="lab_us-gaap_LiabilitiesCurrentAbstract_99EFD67374E2CDFE78D74704A72AEB2D_label_en-US">Liabilities, Current [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_99EFD67374E2CDFE78D74704A72AEB2D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LiabilitiesCurrentAbstract_99EFD67374E2CDFE78D74704A72AEB2D" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_99EFD67374E2CDFE78D74704A72AEB2D" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_43E20A19D42541ECBE0D4704A72A8DA5" id="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_43E20A19D42541ECBE0D4704A72A8DA5_terseLabel_en-US">Accounts payable and accrued liabilities</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_43E20A19D42541ECBE0D4704A72A8DA5" id="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_43E20A19D42541ECBE0D4704A72A8DA5_label_en-US">Accounts Payable and Accrued Liabilities, Current</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_43E20A19D42541ECBE0D4704A72A8DA5"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_43E20A19D42541ECBE0D4704A72A8DA5" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_43E20A19D42541ECBE0D4704A72A8DA5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_E39055E952E93A06896D4704A72A9235" id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_E39055E952E93A06896D4704A72A9235_terseLabel_en-US">Compensation and benefits</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_E39055E952E93A06896D4704A72A9235" id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_E39055E952E93A06896D4704A72A9235_label_en-US">Employee-related Liabilities, Current</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_E39055E952E93A06896D4704A72A9235"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_E39055E952E93A06896D4704A72A9235" xlink:from="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_E39055E952E93A06896D4704A72A9235" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_SelfInsuranceReserveCurrent_6803287C00F754D610604704A72A5D23" id="lab_us-gaap_SelfInsuranceReserveCurrent_6803287C00F754D610604704A72A5D23_terseLabel_en-US">Insurance accruals</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_SelfInsuranceReserveCurrent_6803287C00F754D610604704A72A5D23" id="lab_us-gaap_SelfInsuranceReserveCurrent_6803287C00F754D610604704A72A5D23_label_en-US">Self Insurance Reserve, Current</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SelfInsuranceReserveCurrent" xlink:label="loc_us-gaap_SelfInsuranceReserveCurrent_6803287C00F754D610604704A72A5D23"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SelfInsuranceReserveCurrent_6803287C00F754D610604704A72A5D23" xlink:from="loc_us-gaap_SelfInsuranceReserveCurrent_6803287C00F754D610604704A72A5D23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OtherAccruedLiabilitiesCurrent_EAD0DC54C8C4619A01034704A72A1E6C" id="lab_us-gaap_OtherAccruedLiabilitiesCurrent_EAD0DC54C8C4619A01034704A72A1E6C_terseLabel_en-US">Other accruals</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OtherAccruedLiabilitiesCurrent_EAD0DC54C8C4619A01034704A72A1E6C" id="lab_us-gaap_OtherAccruedLiabilitiesCurrent_EAD0DC54C8C4619A01034704A72A1E6C_label_en-US">Other Accrued Liabilities, Current</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_EAD0DC54C8C4619A01034704A72A1E6C"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OtherAccruedLiabilitiesCurrent_EAD0DC54C8C4619A01034704A72A1E6C" xlink:from="loc_us-gaap_OtherAccruedLiabilitiesCurrent_EAD0DC54C8C4619A01034704A72A1E6C" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LiabilitiesCurrent_4AA77A27701CC01187FC4704A72A452D" id="lab_us-gaap_LiabilitiesCurrent_4AA77A27701CC01187FC4704A72A452D_totalLabel_en-US">Total current liabilities</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LiabilitiesCurrent_4AA77A27701CC01187FC4704A72A452D" id="lab_us-gaap_LiabilitiesCurrent_4AA77A27701CC01187FC4704A72A452D_label_en-US">Liabilities, Current</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_4AA77A27701CC01187FC4704A72A452D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LiabilitiesCurrent_4AA77A27701CC01187FC4704A72A452D" xlink:from="loc_us-gaap_LiabilitiesCurrent_4AA77A27701CC01187FC4704A72A452D" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LiabilitiesNoncurrentAbstract_50F11C6B9A10037857274704A72A2493" id="lab_us-gaap_LiabilitiesNoncurrentAbstract_50F11C6B9A10037857274704A72A2493_terseLabel_en-US">LONG-TERM LIABILITIES</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LiabilitiesNoncurrentAbstract_50F11C6B9A10037857274704A72A2493" id="lab_us-gaap_LiabilitiesNoncurrentAbstract_50F11C6B9A10037857274704A72A2493_label_en-US">Liabilities, Noncurrent [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesNoncurrentAbstract_50F11C6B9A10037857274704A72A2493"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LiabilitiesNoncurrentAbstract_50F11C6B9A10037857274704A72A2493" xlink:from="loc_us-gaap_LiabilitiesNoncurrentAbstract_50F11C6B9A10037857274704A72A2493" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AccruedIncomeTaxesNoncurrent_ED825FDCE09B3A5120ED4704A72A434B" id="lab_us-gaap_AccruedIncomeTaxesNoncurrent_ED825FDCE09B3A5120ED4704A72A434B_terseLabel_en-US">Income taxes payable</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AccruedIncomeTaxesNoncurrent_ED825FDCE09B3A5120ED4704A72A434B" id="lab_us-gaap_AccruedIncomeTaxesNoncurrent_ED825FDCE09B3A5120ED4704A72A434B_label_en-US">Accrued Income Taxes, Noncurrent</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccruedIncomeTaxesNoncurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesNoncurrent_ED825FDCE09B3A5120ED4704A72A434B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AccruedIncomeTaxesNoncurrent_ED825FDCE09B3A5120ED4704A72A434B" xlink:from="loc_us-gaap_AccruedIncomeTaxesNoncurrent_ED825FDCE09B3A5120ED4704A72A434B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_80E42D0CD1135DCC8F554704A72AF9EC" id="lab_us-gaap_LongTermDebtNoncurrent_80E42D0CD1135DCC8F554704A72AF9EC_terseLabel_en-US">Long-term debt</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_80E42D0CD1135DCC8F554704A72AF9EC" id="lab_us-gaap_LongTermDebtNoncurrent_80E42D0CD1135DCC8F554704A72AF9EC_label_en-US">Long-term Debt, Excluding Current Maturities</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_80E42D0CD1135DCC8F554704A72AF9EC"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LongTermDebtNoncurrent_80E42D0CD1135DCC8F554704A72AF9EC" xlink:from="loc_us-gaap_LongTermDebtNoncurrent_80E42D0CD1135DCC8F554704A72AF9EC" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_1609BEF05830CEE0DD4A4704A72A2E50" id="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_1609BEF05830CEE0DD4A4704A72A2E50_terseLabel_en-US">Deferred income taxes, net</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_1609BEF05830CEE0DD4A4704A72A2E50"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_1609BEF05830CEE0DD4A4704A72A2E50" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_1609BEF05830CEE0DD4A4704A72A2E50" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_SelfInsuranceReserveNoncurrent_48ADA6DEB938B66C7CD34704A72A1AAF" id="lab_us-gaap_SelfInsuranceReserveNoncurrent_48ADA6DEB938B66C7CD34704A72A1AAF_terseLabel_en-US">Insurance accruals less current portion</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_SelfInsuranceReserveNoncurrent_48ADA6DEB938B66C7CD34704A72A1AAF" id="lab_us-gaap_SelfInsuranceReserveNoncurrent_48ADA6DEB938B66C7CD34704A72A1AAF_label_en-US">Self Insurance Reserve, Noncurrent</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SelfInsuranceReserveNoncurrent" xlink:label="loc_us-gaap_SelfInsuranceReserveNoncurrent_48ADA6DEB938B66C7CD34704A72A1AAF"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SelfInsuranceReserveNoncurrent_48ADA6DEB938B66C7CD34704A72A1AAF" xlink:from="loc_us-gaap_SelfInsuranceReserveNoncurrent_48ADA6DEB938B66C7CD34704A72A1AAF" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_B4844F0C12A8DAD3FB184704A72A0BD9" id="lab_us-gaap_OtherLiabilitiesNoncurrent_B4844F0C12A8DAD3FB184704A72A0BD9_terseLabel_en-US">Other long-term liabilities</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_B4844F0C12A8DAD3FB184704A72A0BD9" id="lab_us-gaap_OtherLiabilitiesNoncurrent_B4844F0C12A8DAD3FB184704A72A0BD9_label_en-US">Other Liabilities, Noncurrent</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_B4844F0C12A8DAD3FB184704A72A0BD9"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OtherLiabilitiesNoncurrent_B4844F0C12A8DAD3FB184704A72A0BD9" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_B4844F0C12A8DAD3FB184704A72A0BD9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LiabilitiesNoncurrent_3EC8A9716953ABEBD4A84704A72AFAEE" id="lab_us-gaap_LiabilitiesNoncurrent_3EC8A9716953ABEBD4A84704A72AFAEE_totalLabel_en-US">Total long-term liabilities</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LiabilitiesNoncurrent_3EC8A9716953ABEBD4A84704A72AFAEE" id="lab_us-gaap_LiabilitiesNoncurrent_3EC8A9716953ABEBD4A84704A72AFAEE_label_en-US">Liabilities, Noncurrent</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_3EC8A9716953ABEBD4A84704A72AFAEE"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LiabilitiesNoncurrent_3EC8A9716953ABEBD4A84704A72AFAEE" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_3EC8A9716953ABEBD4A84704A72AFAEE" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommitmentsAndContingencies_A44F81AADC6DD1CCBDF54704A72A7423" id="lab_us-gaap_CommitmentsAndContingencies_A44F81AADC6DD1CCBDF54704A72A7423_terseLabel_en-US">COMMITMENTS AND CONTINGENCIES (Note 12)</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommitmentsAndContingencies_A44F81AADC6DD1CCBDF54704A72A7423" id="lab_us-gaap_CommitmentsAndContingencies_A44F81AADC6DD1CCBDF54704A72A7423_label_en-US">Commitments and Contingencies</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_A44F81AADC6DD1CCBDF54704A72A7423"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommitmentsAndContingencies_A44F81AADC6DD1CCBDF54704A72A7423" xlink:from="loc_us-gaap_CommitmentsAndContingencies_A44F81AADC6DD1CCBDF54704A72A7423" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StockholdersEquityAbstract_148FE33471D0E348B3754704A72A82E8" id="lab_us-gaap_StockholdersEquityAbstract_148FE33471D0E348B3754704A72A82E8_terseLabel_en-US">STOCKHOLDERS' EQUITY</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_148FE33471D0E348B3754704A72A82E8"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StockholdersEquityAbstract_148FE33471D0E348B3754704A72A82E8" xlink:from="loc_us-gaap_StockholdersEquityAbstract_148FE33471D0E348B3754704A72A82E8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PreferredStockValue_56B045B95D5050F6269B4704A72A0928" id="lab_us-gaap_PreferredStockValue_56B045B95D5050F6269B4704A72A0928_terseLabel_en-US">Preferred stock, par value $.01; authorized 5,000 shares; none issued</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PreferredStockValue_56B045B95D5050F6269B4704A72A0928" id="lab_us-gaap_PreferredStockValue_56B045B95D5050F6269B4704A72A0928_label_en-US">Preferred Stock, Value, Issued</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_56B045B95D5050F6269B4704A72A0928"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PreferredStockValue_56B045B95D5050F6269B4704A72A0928" xlink:from="loc_us-gaap_PreferredStockValue_56B045B95D5050F6269B4704A72A0928" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommonStockValue_144EBCD57A85C3BA2BD84704A72A6E7B" id="lab_us-gaap_CommonStockValue_144EBCD57A85C3BA2BD84704A72A6E7B_terseLabel_en-US">Capital stock, common, $.01 par value; authorized 395,000 shares; issued 90,689 in 2016 and 2015; outstanding 83,287 and 84,115 in 2016 and 2015, respectively</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommonStockValue_144EBCD57A85C3BA2BD84704A72A6E7B" id="lab_us-gaap_CommonStockValue_144EBCD57A85C3BA2BD84704A72A6E7B_label_en-US">Common Stock, Value, Issued</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_144EBCD57A85C3BA2BD84704A72A6E7B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommonStockValue_144EBCD57A85C3BA2BD84704A72A6E7B" xlink:from="loc_us-gaap_CommonStockValue_144EBCD57A85C3BA2BD84704A72A6E7B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock_72ECB39DFA3D4120AA8F4704A72A2298" id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_72ECB39DFA3D4120AA8F4704A72A2298_terseLabel_en-US">Additional paid-in capital</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock_72ECB39DFA3D4120AA8F4704A72A2298" id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_72ECB39DFA3D4120AA8F4704A72A2298_label_en-US">Additional Paid in Capital, Common Stock</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_72ECB39DFA3D4120AA8F4704A72A2298"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AdditionalPaidInCapitalCommonStock_72ECB39DFA3D4120AA8F4704A72A2298" xlink:from="loc_us-gaap_AdditionalPaidInCapitalCommonStock_72ECB39DFA3D4120AA8F4704A72A2298" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_C90545A7531E6DBBB20B4704A72ACA42" id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_C90545A7531E6DBBB20B4704A72ACA42_terseLabel_en-US">Retained earnings</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_C90545A7531E6DBBB20B4704A72ACA42" id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_C90545A7531E6DBBB20B4704A72ACA42_label_en-US">Retained Earnings (Accumulated Deficit)</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_C90545A7531E6DBBB20B4704A72ACA42"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RetainedEarningsAccumulatedDeficit_C90545A7531E6DBBB20B4704A72ACA42" xlink:from="loc_us-gaap_RetainedEarningsAccumulatedDeficit_C90545A7531E6DBBB20B4704A72ACA42" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_TreasuryStockValue_6A89A565F6C39107E53E4704A72A989C" id="lab_us-gaap_TreasuryStockValue_6A89A565F6C39107E53E4704A72A989C_negatedTerseLabel_en-US">Treasury stock, at cost; 7,402 and 6,574 shares in 2016 and 2015, respectively</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_TreasuryStockValue_6A89A565F6C39107E53E4704A72A989C" id="lab_us-gaap_TreasuryStockValue_6A89A565F6C39107E53E4704A72A989C_label_en-US">Treasury Stock, Value</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_6A89A565F6C39107E53E4704A72A989C"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_TreasuryStockValue_6A89A565F6C39107E53E4704A72A989C" xlink:from="loc_us-gaap_TreasuryStockValue_6A89A565F6C39107E53E4704A72A989C" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StockholdersEquity_69DD8203DE6B5055E4874704A72AE9D9" id="lab_us-gaap_StockholdersEquity_69DD8203DE6B5055E4874704A72AE9D9_totalLabel_en-US">Stockholders' Equity Attributable to Parent</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_69DD8203DE6B5055E4874704A72AE9D9"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StockholdersEquity_69DD8203DE6B5055E4874704A72AE9D9" xlink:from="loc_us-gaap_StockholdersEquity_69DD8203DE6B5055E4874704A72AE9D9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_AD95607A4635EB1DA5724704A72A750C" id="lab_us-gaap_LiabilitiesAndStockholdersEquity_AD95607A4635EB1DA5724704A72A750C_totalLabel_en-US">Liabilities and Stockholders' Equity</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_AD95607A4635EB1DA5724704A72A750C" id="lab_us-gaap_LiabilitiesAndStockholdersEquity_AD95607A4635EB1DA5724704A72A750C_label_en-US">Liabilities and Equity</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_AD95607A4635EB1DA5724704A72A750C"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquity_AD95607A4635EB1DA5724704A72A750C" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_AD95607A4635EB1DA5724704A72A750C" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ConsolidatedStatementOfStockholdersEquityParentheticalsAbstract_B6F0C95ED0AB49E3F66151A5D01983D8" id="lab_htld_ConsolidatedStatementOfStockholdersEquityParentheticalsAbstract_B6F0C95ED0AB49E3F66151A5D01983D8_label_en-US">Consolidated Statement of Stockholders' Equity Parentheticals [Abstract]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ConsolidatedStatementOfStockholdersEquityParentheticalsAbstract_B6F0C95ED0AB49E3F66151A5D01983D8" id="lab_htld_ConsolidatedStatementOfStockholdersEquityParentheticalsAbstract_B6F0C95ED0AB49E3F66151A5D01983D8_documentation_en-US">Consolidated Statement of Stockholders' Equity Parentheticals [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_ConsolidatedStatementOfStockholdersEquityParentheticalsAbstract" xlink:label="loc_htld_ConsolidatedStatementOfStockholdersEquityParentheticalsAbstract_B6F0C95ED0AB49E3F66151A5D01983D8"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_ConsolidatedStatementOfStockholdersEquityParentheticalsAbstract_B6F0C95ED0AB49E3F66151A5D01983D8" xlink:from="loc_htld_ConsolidatedStatementOfStockholdersEquityParentheticalsAbstract_B6F0C95ED0AB49E3F66151A5D01983D8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_QuarterlyFinancialInformationUnauditedAbstract_F337DE3022FBBBA51D28E5788CB9A25D" id="lab_htld_QuarterlyFinancialInformationUnauditedAbstract_F337DE3022FBBBA51D28E5788CB9A25D_label_en-US">Quarterly Financial Information (Unaudited) [Abstract]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_QuarterlyFinancialInformationUnauditedAbstract_F337DE3022FBBBA51D28E5788CB9A25D" id="lab_htld_QuarterlyFinancialInformationUnauditedAbstract_F337DE3022FBBBA51D28E5788CB9A25D_documentation_en-US">Quarterly Financial Information (Unaudited) [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_QuarterlyFinancialInformationUnauditedAbstract" xlink:label="loc_htld_QuarterlyFinancialInformationUnauditedAbstract_F337DE3022FBBBA51D28E5788CB9A25D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_QuarterlyFinancialInformationUnauditedAbstract_F337DE3022FBBBA51D28E5788CB9A25D" xlink:from="loc_htld_QuarterlyFinancialInformationUnauditedAbstract_F337DE3022FBBBA51D28E5788CB9A25D" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_QuarterlyFinancialInformationTextBlock_9D8E1656801B595E94DFE5788CB98690" id="lab_us-gaap_QuarterlyFinancialInformationTextBlock_9D8E1656801B595E94DFE5788CB98690_terseLabel_en-US">Quarterly Financial Information (Unaudited)</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_QuarterlyFinancialInformationTextBlock_9D8E1656801B595E94DFE5788CB98690" id="lab_us-gaap_QuarterlyFinancialInformationTextBlock_9D8E1656801B595E94DFE5788CB98690_label_en-US">Quarterly Financial Information [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="loc_us-gaap_QuarterlyFinancialInformationTextBlock_9D8E1656801B595E94DFE5788CB98690"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_QuarterlyFinancialInformationTextBlock_9D8E1656801B595E94DFE5788CB98690" xlink:from="loc_us-gaap_QuarterlyFinancialInformationTextBlock_9D8E1656801B595E94DFE5788CB98690" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CurrentFederalTaxExpenseBenefit_3F1CAAAA3020272FA0928312FC23AB81" id="lab_us-gaap_CurrentFederalTaxExpenseBenefit_3F1CAAAA3020272FA0928312FC23AB81_terseLabel_en-US">Current Federal Tax Expense (Benefit)</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CurrentFederalTaxExpenseBenefit_3F1CAAAA3020272FA0928312FC23AB81" id="lab_us-gaap_CurrentFederalTaxExpenseBenefit_3F1CAAAA3020272FA0928312FC23AB81_label_en-US">Current Federal Tax Expense (Benefit)</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_3F1CAAAA3020272FA0928312FC23AB81"/>

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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_D4D1EE08E605810E61F97AB001005EEA"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ConsolidationItemsAxis_D4D1EE08E605810E61F97AB001005EEA" xlink:from="loc_us-gaap_ConsolidationItemsAxis_D4D1EE08E605810E61F97AB001005EEA" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConsolidationItemsDomain_68367BF0F873221AA9FD7AB00100D7B4" id="lab_us-gaap_ConsolidationItemsDomain_68367BF0F873221AA9FD7AB00100D7B4_terseLabel_en-US">Consolidation Items [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConsolidationItemsDomain_68367BF0F873221AA9FD7AB00100D7B4" id="lab_us-gaap_ConsolidationItemsDomain_68367BF0F873221AA9FD7AB00100D7B4_label_en-US">Consolidation Items [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_68367BF0F873221AA9FD7AB00100D7B4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ConsolidationItemsDomain_68367BF0F873221AA9FD7AB00100D7B4" xlink:from="loc_us-gaap_ConsolidationItemsDomain_68367BF0F873221AA9FD7AB00100D7B4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_6DA13D7F03CA20EDCFDC7AB00100338A" id="lab_us-gaap_StatementBusinessSegmentsAxis_6DA13D7F03CA20EDCFDC7AB00100338A_terseLabel_en-US">Segments [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_6DA13D7F03CA20EDCFDC7AB00100338A" id="lab_us-gaap_StatementBusinessSegmentsAxis_6DA13D7F03CA20EDCFDC7AB00100338A_label_en-US">Segments [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_6DA13D7F03CA20EDCFDC7AB00100338A"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StatementBusinessSegmentsAxis_6DA13D7F03CA20EDCFDC7AB00100338A" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_6DA13D7F03CA20EDCFDC7AB00100338A" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_SegmentDomain_C641CB404F069D8F9D3C7AB001004E08" id="lab_us-gaap_SegmentDomain_C641CB404F069D8F9D3C7AB001004E08_terseLabel_en-US">Segments [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_SegmentDomain_C641CB404F069D8F9D3C7AB001004E08" id="lab_us-gaap_SegmentDomain_C641CB404F069D8F9D3C7AB001004E08_label_en-US">Segments [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_C641CB404F069D8F9D3C7AB001004E08"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SegmentDomain_C641CB404F069D8F9D3C7AB001004E08" xlink:from="loc_us-gaap_SegmentDomain_C641CB404F069D8F9D3C7AB001004E08" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RangeAxis_0A5D0F537DFDB654EE3D7AB00100C4BF" id="lab_us-gaap_RangeAxis_0A5D0F537DFDB654EE3D7AB00100C4BF_terseLabel_en-US">Range [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RangeAxis_0A5D0F537DFDB654EE3D7AB00100C4BF" id="lab_us-gaap_RangeAxis_0A5D0F537DFDB654EE3D7AB00100C4BF_label_en-US">Range [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_0A5D0F537DFDB654EE3D7AB00100C4BF"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RangeAxis_0A5D0F537DFDB654EE3D7AB00100C4BF" xlink:from="loc_us-gaap_RangeAxis_0A5D0F537DFDB654EE3D7AB00100C4BF" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RangeMember_167BA828FA98FE4745EA7AB00100381B" id="lab_us-gaap_RangeMember_167BA828FA98FE4745EA7AB00100381B_terseLabel_en-US">Range [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RangeMember_167BA828FA98FE4745EA7AB00100381B" id="lab_us-gaap_RangeMember_167BA828FA98FE4745EA7AB00100381B_label_en-US">Range [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_167BA828FA98FE4745EA7AB00100381B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RangeMember_167BA828FA98FE4745EA7AB00100381B" xlink:from="loc_us-gaap_RangeMember_167BA828FA98FE4745EA7AB00100381B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_7A4DF692A515D9EEF5017AB00100CD26" id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_7A4DF692A515D9EEF5017AB00100CD26_terseLabel_en-US">Schedule of Finite-Lived Intangible Assets [Table Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_7A4DF692A515D9EEF5017AB00100CD26" id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_7A4DF692A515D9EEF5017AB00100CD26_label_en-US">Schedule of Finite-Lived Intangible Assets [Table Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_7A4DF692A515D9EEF5017AB00100CD26"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_7A4DF692A515D9EEF5017AB00100CD26" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_7A4DF692A515D9EEF5017AB00100CD26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfOperatingLeasedAssetsTable_E09DA7A8A65A2F9B54F47AB000BC883E" id="lab_us-gaap_ScheduleOfOperatingLeasedAssetsTable_E09DA7A8A65A2F9B54F47AB000BC883E_terseLabel_en-US">Schedule of Operating Leased Assets [Table]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfOperatingLeasedAssetsTable_E09DA7A8A65A2F9B54F47AB000BC883E" id="lab_us-gaap_ScheduleOfOperatingLeasedAssetsTable_E09DA7A8A65A2F9B54F47AB000BC883E_label_en-US">Schedule of Operating Leased Assets [Table]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfOperatingLeasedAssetsTable" xlink:label="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_E09DA7A8A65A2F9B54F47AB000BC883E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ScheduleOfOperatingLeasedAssetsTable_E09DA7A8A65A2F9B54F47AB000BC883E" xlink:from="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_E09DA7A8A65A2F9B54F47AB000BC883E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_BusinessAcquisitionAxis_F9C8E74307754AAA6A677AB000BD99ED" id="lab_us-gaap_BusinessAcquisitionAxis_F9C8E74307754AAA6A677AB000BD99ED_terseLabel_en-US">Business Acquisition [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_BusinessAcquisitionAxis_F9C8E74307754AAA6A677AB000BD99ED" id="lab_us-gaap_BusinessAcquisitionAxis_F9C8E74307754AAA6A677AB000BD99ED_label_en-US">Business Acquisition [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_F9C8E74307754AAA6A677AB000BD99ED"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_BusinessAcquisitionAxis_F9C8E74307754AAA6A677AB000BD99ED" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_F9C8E74307754AAA6A677AB000BD99ED" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_BusinessAcquisitionAcquireeDomain_E718520C1FBC89DC0C087AB000BD03ED" id="lab_us-gaap_BusinessAcquisitionAcquireeDomain_E718520C1FBC89DC0C087AB000BD03ED_terseLabel_en-US">Business Acquisition, Acquiree [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_BusinessAcquisitionAcquireeDomain_E718520C1FBC89DC0C087AB000BD03ED" id="lab_us-gaap_BusinessAcquisitionAcquireeDomain_E718520C1FBC89DC0C087AB000BD03ED_label_en-US">Business Acquisition, Acquiree [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_E718520C1FBC89DC0C087AB000BD03ED"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_BusinessAcquisitionAcquireeDomain_E718520C1FBC89DC0C087AB000BD03ED" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_E718520C1FBC89DC0C087AB000BD03ED" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_GordonTruckingCompanyIncMember_2E5BCCD26EF7044BBA637AB000BD1434" id="lab_htld_GordonTruckingCompanyIncMember_2E5BCCD26EF7044BBA637AB000BD1434_terseLabel_en-US">Gordon Trucking Company, Inc [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_GordonTruckingCompanyIncMember_2E5BCCD26EF7044BBA637AB000BD1434" id="lab_htld_GordonTruckingCompanyIncMember_2E5BCCD26EF7044BBA637AB000BD1434_label_en-US">Gordon Trucking Company, Inc [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_GordonTruckingCompanyIncMember_2E5BCCD26EF7044BBA637AB000BD1434" id="lab_htld_GordonTruckingCompanyIncMember_2E5BCCD26EF7044BBA637AB000BD1434_documentation_en-US">Gordon Trucking Company, Inc</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_GordonTruckingCompanyIncMember" xlink:label="loc_htld_GordonTruckingCompanyIncMember_2E5BCCD26EF7044BBA637AB000BD1434"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_GordonTruckingCompanyIncMember_2E5BCCD26EF7044BBA637AB000BD1434" xlink:from="loc_htld_GordonTruckingCompanyIncMember_2E5BCCD26EF7044BBA637AB000BD1434" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_5B7C2E04FE209322E4DD7AB000BD0005" id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_5B7C2E04FE209322E4DD7AB000BD0005_terseLabel_en-US">Property Subject to or Available for Operating Lease [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_5B7C2E04FE209322E4DD7AB000BD0005" id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_5B7C2E04FE209322E4DD7AB000BD0005_label_en-US">Property Subject to or Available for Operating Lease [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis" xlink:label="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_5B7C2E04FE209322E4DD7AB000BD0005"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_5B7C2E04FE209322E4DD7AB000BD0005" xlink:from="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_5B7C2E04FE209322E4DD7AB000BD0005" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_E8DA5F1CFE720C27C4B17AB000BDF89B" id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_E8DA5F1CFE720C27C4B17AB000BDF89B_terseLabel_en-US">Property Subject to or Available for Operating Lease [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_E8DA5F1CFE720C27C4B17AB000BDF89B" id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_E8DA5F1CFE720C27C4B17AB000BDF89B_label_en-US">Property Subject to or Available for Operating Lease [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain" xlink:label="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_E8DA5F1CFE720C27C4B17AB000BDF89B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_E8DA5F1CFE720C27C4B17AB000BDF89B" xlink:from="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_E8DA5F1CFE720C27C4B17AB000BDF89B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_TerminalFacilitiesMember_09BCE534F4DD12294E4D7AB000BD1095" id="lab_htld_TerminalFacilitiesMember_09BCE534F4DD12294E4D7AB000BD1095_terseLabel_en-US">Terminal Facilities [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_TerminalFacilitiesMember_09BCE534F4DD12294E4D7AB000BD1095" id="lab_htld_TerminalFacilitiesMember_09BCE534F4DD12294E4D7AB000BD1095_label_en-US">Terminal Facilities [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_TerminalFacilitiesMember_09BCE534F4DD12294E4D7AB000BD1095" id="lab_htld_TerminalFacilitiesMember_09BCE534F4DD12294E4D7AB000BD1095_documentation_en-US">Terminal Facilities [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_TerminalFacilitiesMember" xlink:label="loc_htld_TerminalFacilitiesMember_09BCE534F4DD12294E4D7AB000BD1095"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_TerminalFacilitiesMember_09BCE534F4DD12294E4D7AB000BD1095" xlink:from="loc_htld_TerminalFacilitiesMember_09BCE534F4DD12294E4D7AB000BD1095" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LeaseArrangementTypeAxis_456356217BADF8C58E607AB000BD956A" id="lab_us-gaap_LeaseArrangementTypeAxis_456356217BADF8C58E607AB000BD956A_terseLabel_en-US">Parties to Contractual Arrangement [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LeaseArrangementTypeAxis_456356217BADF8C58E607AB000BD956A" id="lab_us-gaap_LeaseArrangementTypeAxis_456356217BADF8C58E607AB000BD956A_label_en-US">Lease Arrangement, Type [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LeaseArrangementTypeAxis" xlink:label="loc_us-gaap_LeaseArrangementTypeAxis_456356217BADF8C58E607AB000BD956A"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LeaseArrangementTypeAxis_456356217BADF8C58E607AB000BD956A" xlink:from="loc_us-gaap_LeaseArrangementTypeAxis_456356217BADF8C58E607AB000BD956A" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LeaseArrangementTypeDomain_202E91C0F3B36C2A1DAC7AB000BD818B" id="lab_us-gaap_LeaseArrangementTypeDomain_202E91C0F3B36C2A1DAC7AB000BD818B_terseLabel_en-US">Parties to Contractual Arrangement [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LeaseArrangementTypeDomain_202E91C0F3B36C2A1DAC7AB000BD818B" id="lab_us-gaap_LeaseArrangementTypeDomain_202E91C0F3B36C2A1DAC7AB000BD818B_label_en-US">Lease Arrangement, Type [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LeaseArrangementTypeDomain" xlink:label="loc_us-gaap_LeaseArrangementTypeDomain_202E91C0F3B36C2A1DAC7AB000BD818B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LeaseArrangementTypeDomain_202E91C0F3B36C2A1DAC7AB000BD818B" xlink:from="loc_us-gaap_LeaseArrangementTypeDomain_202E91C0F3B36C2A1DAC7AB000BD818B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_RelatedPartyMember_723FBC26838B3DD919537AB000BD9534" id="lab_htld_RelatedPartyMember_723FBC26838B3DD919537AB000BD9534_terseLabel_en-US">Related Party [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_RelatedPartyMember_723FBC26838B3DD919537AB000BD9534" id="lab_htld_RelatedPartyMember_723FBC26838B3DD919537AB000BD9534_label_en-US">Related Party [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_RelatedPartyMember_723FBC26838B3DD919537AB000BD9534" id="lab_htld_RelatedPartyMember_723FBC26838B3DD919537AB000BD9534_documentation_en-US">Related Party [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_RelatedPartyMember" xlink:label="loc_htld_RelatedPartyMember_723FBC26838B3DD919537AB000BD9534"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_RelatedPartyMember_723FBC26838B3DD919537AB000BD9534" xlink:from="loc_htld_RelatedPartyMember_723FBC26838B3DD919537AB000BD9534" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_EquipmentLeasedToOtherPartyMember_5B30101CF14D2FDF9BE07AB000BDB41D" id="lab_us-gaap_EquipmentLeasedToOtherPartyMember_5B30101CF14D2FDF9BE07AB000BDB41D_terseLabel_en-US">Equipment Leased to Other Party [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_EquipmentLeasedToOtherPartyMember_5B30101CF14D2FDF9BE07AB000BDB41D" id="lab_us-gaap_EquipmentLeasedToOtherPartyMember_5B30101CF14D2FDF9BE07AB000BDB41D_label_en-US">Equipment Leased to Other Party [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquipmentLeasedToOtherPartyMember" xlink:label="loc_us-gaap_EquipmentLeasedToOtherPartyMember_5B30101CF14D2FDF9BE07AB000BDB41D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_EquipmentLeasedToOtherPartyMember_5B30101CF14D2FDF9BE07AB000BDB41D" xlink:from="loc_us-gaap_EquipmentLeasedToOtherPartyMember_5B30101CF14D2FDF9BE07AB000BDB41D" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingLeasedAssetsLineItems_50F913F010332411D95B7AB000BD19E5" id="lab_us-gaap_OperatingLeasedAssetsLineItems_50F913F010332411D95B7AB000BD19E5_terseLabel_en-US">Operating Leased Assets [Line Items]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingLeasedAssetsLineItems_50F913F010332411D95B7AB000BD19E5" id="lab_us-gaap_OperatingLeasedAssetsLineItems_50F913F010332411D95B7AB000BD19E5_label_en-US">Operating Leased Assets [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasedAssetsLineItems" xlink:label="loc_us-gaap_OperatingLeasedAssetsLineItems_50F913F010332411D95B7AB000BD19E5"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OperatingLeasedAssetsLineItems_50F913F010332411D95B7AB000BD19E5" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_50F913F010332411D95B7AB000BD19E5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_0BEBDA965ACB362FC0C17AB000BD19E0" id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_0BEBDA965ACB362FC0C17AB000BD19E0_terseLabel_en-US">Operating Leases, Future Minimum Payments Due, Next Twelve Months</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_0BEBDA965ACB362FC0C17AB000BD19E0" id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_0BEBDA965ACB362FC0C17AB000BD19E0_label_en-US">Operating Leases, Future Minimum Payments Due, Next Twelve Months</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_0BEBDA965ACB362FC0C17AB000BD19E0"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_0BEBDA965ACB362FC0C17AB000BD19E0" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_0BEBDA965ACB362FC0C17AB000BD19E0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_3996750A2C1DE8E419837AB000BD20F6" id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_3996750A2C1DE8E419837AB000BD20F6_terseLabel_en-US">Operating Leases, Future Minimum Payments, Due in Two Years</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_3996750A2C1DE8E419837AB000BD20F6" id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_3996750A2C1DE8E419837AB000BD20F6_label_en-US">Operating Leases, Future Minimum Payments, Due in Two Years</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_3996750A2C1DE8E419837AB000BD20F6"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_3996750A2C1DE8E419837AB000BD20F6" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_3996750A2C1DE8E419837AB000BD20F6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_CBA0DEB66F6237DB3EB37AB000BD9038" id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_CBA0DEB66F6237DB3EB37AB000BD9038_terseLabel_en-US">Operating Leases, Future Minimum Payments, Due in Three Years</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_CBA0DEB66F6237DB3EB37AB000BD9038" id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_CBA0DEB66F6237DB3EB37AB000BD9038_label_en-US">Operating Leases, Future Minimum Payments, Due in Three Years</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_CBA0DEB66F6237DB3EB37AB000BD9038"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_CBA0DEB66F6237DB3EB37AB000BD9038" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_CBA0DEB66F6237DB3EB37AB000BD9038" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_B5823C6FEEDC49287B147AB000BDC8A2" id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_B5823C6FEEDC49287B147AB000BDC8A2_terseLabel_en-US">Operating Leases, Future Minimum Payments, Due in Four Years</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_B5823C6FEEDC49287B147AB000BDC8A2" id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_B5823C6FEEDC49287B147AB000BDC8A2_label_en-US">Operating Leases, Future Minimum Payments, Due in Four Years</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_B5823C6FEEDC49287B147AB000BDC8A2"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_B5823C6FEEDC49287B147AB000BDC8A2" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_B5823C6FEEDC49287B147AB000BDC8A2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_617F7DF1EB8E32A9922B7AB000BD4AE9" id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_617F7DF1EB8E32A9922B7AB000BD4AE9_terseLabel_en-US">Operating Leases, Future Minimum Payments, Due Thereafter</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_617F7DF1EB8E32A9922B7AB000BD4AE9" id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_617F7DF1EB8E32A9922B7AB000BD4AE9_label_en-US">Operating Leases, Future Minimum Payments, Due Thereafter</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_617F7DF1EB8E32A9922B7AB000BD4AE9"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_617F7DF1EB8E32A9922B7AB000BD4AE9" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_617F7DF1EB8E32A9922B7AB000BD4AE9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_AD8CF742A3E6E5768BFD7AB000BDADC8" id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_AD8CF742A3E6E5768BFD7AB000BDADC8_terseLabel_en-US">Operating Leases, Future Minimum Payments Due</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_AD8CF742A3E6E5768BFD7AB000BDADC8" id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_AD8CF742A3E6E5768BFD7AB000BDADC8_label_en-US">Operating Leases, Future Minimum Payments Due</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_AD8CF742A3E6E5768BFD7AB000BDADC8"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_AD8CF742A3E6E5768BFD7AB000BDADC8" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_AD8CF742A3E6E5768BFD7AB000BDADC8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LeaseAndRentalExpense_4AA76E73649904A2D15D7AB000BD78F8" id="lab_us-gaap_LeaseAndRentalExpense_4AA76E73649904A2D15D7AB000BD78F8_terseLabel_en-US">Operating Leases, Rent Expense</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LeaseAndRentalExpense_4AA76E73649904A2D15D7AB000BD78F8" id="lab_us-gaap_LeaseAndRentalExpense_4AA76E73649904A2D15D7AB000BD78F8_label_en-US">Operating Leases, Rent Expense</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="loc_us-gaap_LeaseAndRentalExpense_4AA76E73649904A2D15D7AB000BD78F8"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LeaseAndRentalExpense_4AA76E73649904A2D15D7AB000BD78F8" xlink:from="loc_us-gaap_LeaseAndRentalExpense_4AA76E73649904A2D15D7AB000BD78F8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_7418FC3390D3F4610AFB7AB000BD55CD" id="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_7418FC3390D3F4610AFB7AB000BD55CD_terseLabel_en-US">Related Party Transaction, Expenses from Transactions with Related Party</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_7418FC3390D3F4610AFB7AB000BD55CD" id="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_7418FC3390D3F4610AFB7AB000BD55CD_label_en-US">Related Party Transaction, Expenses from Transactions with Related Party</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" xlink:label="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_7418FC3390D3F4610AFB7AB000BD55CD"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_7418FC3390D3F4610AFB7AB000BD55CD" xlink:from="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_7418FC3390D3F4610AFB7AB000BD55CD" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PurchaseOptionsLand_3B9C4092BC98331353167AB000BD9163" id="lab_us-gaap_PurchaseOptionsLand_3B9C4092BC98331353167AB000BD9163_terseLabel_en-US">Purchase Options, Land</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PurchaseOptionsLand_3B9C4092BC98331353167AB000BD9163" id="lab_us-gaap_PurchaseOptionsLand_3B9C4092BC98331353167AB000BD9163_label_en-US">Purchase Options, Land</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PurchaseOptionsLand" xlink:label="loc_us-gaap_PurchaseOptionsLand_3B9C4092BC98331353167AB000BD9163"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PurchaseOptionsLand_3B9C4092BC98331353167AB000BD9163" xlink:from="loc_us-gaap_PurchaseOptionsLand_3B9C4092BC98331353167AB000BD9163" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AssetImpairmentCharges_68ECF5C0DE10432B35C57FFC6E484572" id="lab_us-gaap_AssetImpairmentCharges_68ECF5C0DE10432B35C57FFC6E484572_terseLabel_en-US">Asset Impairment Charges</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AssetImpairmentCharges_68ECF5C0DE10432B35C57FFC6E484572" id="lab_us-gaap_AssetImpairmentCharges_68ECF5C0DE10432B35C57FFC6E484572_label_en-US">Asset Impairment Charges</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="loc_us-gaap_AssetImpairmentCharges_68ECF5C0DE10432B35C57FFC6E484572"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AssetImpairmentCharges_68ECF5C0DE10432B35C57FFC6E484572" xlink:from="loc_us-gaap_AssetImpairmentCharges_68ECF5C0DE10432B35C57FFC6E484572" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_FuelSurchargeRevenue_513D9301B0E2E176A9DCE5788D1E1557" id="lab_htld_FuelSurchargeRevenue_513D9301B0E2E176A9DCE5788D1E1557_terseLabel_en-US">Fuel surcharge revenue</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_FuelSurchargeRevenue_513D9301B0E2E176A9DCE5788D1E1557" id="lab_htld_FuelSurchargeRevenue_513D9301B0E2E176A9DCE5788D1E1557_label_en-US">Fuel surcharge revenue</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_FuelSurchargeRevenue_513D9301B0E2E176A9DCE5788D1E1557" id="lab_htld_FuelSurchargeRevenue_513D9301B0E2E176A9DCE5788D1E1557_documentation_en-US">Fuel surcharge revenue</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_FuelSurchargeRevenue" xlink:label="loc_htld_FuelSurchargeRevenue_513D9301B0E2E176A9DCE5788D1E1557"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_FuelSurchargeRevenue_513D9301B0E2E176A9DCE5788D1E1557" xlink:from="loc_htld_FuelSurchargeRevenue_513D9301B0E2E176A9DCE5788D1E1557" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingLeasesOfLessorDisclosureTextBlock_5D17D3865FC699338C53E5788D2B34DE" id="lab_us-gaap_OperatingLeasesOfLessorDisclosureTextBlock_5D17D3865FC699338C53E5788D2B34DE_terseLabel_en-US">Operating Leases</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OperatingLeasesOfLessorDisclosureTextBlock_5D17D3865FC699338C53E5788D2B34DE" id="lab_us-gaap_OperatingLeasesOfLessorDisclosureTextBlock_5D17D3865FC699338C53E5788D2B34DE_label_en-US">Operating Leases of Lessor Disclosure [Text Block]</link:label>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_395CCF9D36099B75D73C7AB000E1DE79" id="lab_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_395CCF9D36099B75D73C7AB000E1DE79_label_en-US">Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_395CCF9D36099B75D73C7AB000E1DE79"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_3263AE9997134EEB6CCC7AB000E18ED4" id="lab_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_3263AE9997134EEB6CCC7AB000E18ED4_terseLabel_en-US">Income Tax Reconciliation, State and Local Income Taxes</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_3263AE9997134EEB6CCC7AB000E18ED4" id="lab_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_3263AE9997134EEB6CCC7AB000E18ED4_label_en-US">Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_3263AE9997134EEB6CCC7AB000E18ED4"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxReconciliationTaxExemptIncome_5923204DE834C69151C67AB000E14714" id="lab_us-gaap_IncomeTaxReconciliationTaxExemptIncome_5923204DE834C69151C67AB000E14714_label_en-US">Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxReconciliationTaxExemptIncome" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxExemptIncome_5923204DE834C69151C67AB000E14714"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxReconciliationTaxContingencies_13E0C007D3486D4EF86F7AB000E17BA1" id="lab_us-gaap_IncomeTaxReconciliationTaxContingencies_13E0C007D3486D4EF86F7AB000E17BA1_terseLabel_en-US">Income Tax Reconciliation, Tax Contingencies</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxReconciliationTaxContingencies_13E0C007D3486D4EF86F7AB000E17BA1" id="lab_us-gaap_IncomeTaxReconciliationTaxContingencies_13E0C007D3486D4EF86F7AB000E17BA1_label_en-US">Effective Income Tax Rate Reconciliation, Tax Contingency, Amount</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxReconciliationTaxContingencies" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_13E0C007D3486D4EF86F7AB000E17BA1"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeTaxReconciliationTaxContingencies_13E0C007D3486D4EF86F7AB000E17BA1" xlink:from="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_13E0C007D3486D4EF86F7AB000E17BA1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxReconciliationOtherAdjustments_A13A7756CC687DD404947AB000E16FC7" id="lab_us-gaap_IncomeTaxReconciliationOtherAdjustments_A13A7756CC687DD404947AB000E16FC7_terseLabel_en-US">Income Tax Reconciliation, Other Adjustments</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxReconciliationOtherAdjustments_A13A7756CC687DD404947AB000E16FC7" id="lab_us-gaap_IncomeTaxReconciliationOtherAdjustments_A13A7756CC687DD404947AB000E16FC7_label_en-US">Effective Income Tax Rate Reconciliation, Other Adjustments, Amount</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_A13A7756CC687DD404947AB000E16FC7"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeTaxReconciliationOtherAdjustments_A13A7756CC687DD404947AB000E16FC7" xlink:from="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_A13A7756CC687DD404947AB000E16FC7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_BAC44DAC886BBE3636857AB000E11B88" id="lab_us-gaap_IncomeTaxExpenseBenefit_BAC44DAC886BBE3636857AB000E11B88_totalLabel_en-US">Income Tax Expense (Benefit)</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_BAC44DAC886BBE3636857AB000E11B88"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeTaxExpenseBenefit_BAC44DAC886BBE3636857AB000E11B88" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_BAC44DAC886BBE3636857AB000E11B88" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DebtInstrumentTable_C36528B3360E00E726E5758B09B856DD" id="lab_us-gaap_DebtInstrumentTable_C36528B3360E00E726E5758B09B856DD_terseLabel_en-US">Schedule of Long-term Debt Instruments [Table]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DebtInstrumentTable_C36528B3360E00E726E5758B09B856DD" id="lab_us-gaap_DebtInstrumentTable_C36528B3360E00E726E5758B09B856DD_label_en-US">Schedule of Long-term Debt Instruments [Table]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_C36528B3360E00E726E5758B09B856DD"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DebtInstrumentTable_C36528B3360E00E726E5758B09B856DD" xlink:from="loc_us-gaap_DebtInstrumentTable_C36528B3360E00E726E5758B09B856DD" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_VariableRateAxis_0CF2CA4082A1E55BC977758B09B840E6" id="lab_us-gaap_VariableRateAxis_0CF2CA4082A1E55BC977758B09B840E6_terseLabel_en-US">Variable Rate [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_VariableRateAxis_0CF2CA4082A1E55BC977758B09B840E6" id="lab_us-gaap_VariableRateAxis_0CF2CA4082A1E55BC977758B09B840E6_label_en-US">Variable Rate [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_0CF2CA4082A1E55BC977758B09B840E6"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_VariableRateAxis_0CF2CA4082A1E55BC977758B09B840E6" xlink:from="loc_us-gaap_VariableRateAxis_0CF2CA4082A1E55BC977758B09B840E6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_VariableRateDomain_87093C689B015DD5291F758B09B83D43" id="lab_us-gaap_VariableRateDomain_87093C689B015DD5291F758B09B83D43_terseLabel_en-US">Variable Rate [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_VariableRateDomain_87093C689B015DD5291F758B09B83D43" id="lab_us-gaap_VariableRateDomain_87093C689B015DD5291F758B09B83D43_label_en-US">Variable Rate [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_87093C689B015DD5291F758B09B83D43"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_VariableRateDomain_87093C689B015DD5291F758B09B83D43" xlink:from="loc_us-gaap_VariableRateDomain_87093C689B015DD5291F758B09B83D43" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_0115BF14EB2108B797D8758B09B8BF71" id="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_0115BF14EB2108B797D8758B09B8BF71_terseLabel_en-US">London Interbank Offered Rate (LIBOR) [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_0115BF14EB2108B797D8758B09B8BF71" id="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_0115BF14EB2108B797D8758B09B8BF71_label_en-US">London Interbank Offered Rate (LIBOR) [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_0115BF14EB2108B797D8758B09B8BF71"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PrimeRateMember_7CD22F07A8C842D63809758B09B8F81D" id="lab_us-gaap_PrimeRateMember_7CD22F07A8C842D63809758B09B8F81D_terseLabel_en-US">Prime Rate [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PrimeRateMember_7CD22F07A8C842D63809758B09B8F81D" id="lab_us-gaap_PrimeRateMember_7CD22F07A8C842D63809758B09B8F81D_label_en-US">Prime Rate [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PrimeRateMember" xlink:label="loc_us-gaap_PrimeRateMember_7CD22F07A8C842D63809758B09B8F81D"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DebtInstrumentLineItems_C1DCAC05E8FADD15437E758B09B8EE32" id="lab_us-gaap_DebtInstrumentLineItems_C1DCAC05E8FADD15437E758B09B8EE32_terseLabel_en-US">Debt Instrument [Line Items]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DebtInstrumentLineItems_C1DCAC05E8FADD15437E758B09B8EE32" id="lab_us-gaap_DebtInstrumentLineItems_C1DCAC05E8FADD15437E758B09B8EE32_label_en-US">Debt Instrument [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_C1DCAC05E8FADD15437E758B09B8EE32"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LineOfCredit_1A4B50C2602218961A7F758B09B84590" id="lab_us-gaap_LineOfCredit_1A4B50C2602218961A7F758B09B84590_terseLabel_en-US">Long-term Line of Credit</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LineOfCredit_1A4B50C2602218961A7F758B09B84590" id="lab_us-gaap_LineOfCredit_1A4B50C2602218961A7F758B09B84590_label_en-US">Long-term Line of Credit</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_1A4B50C2602218961A7F758B09B84590"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DebtWeightedAverageInterestRate_8E52E386F8494FBC4139758B09B853B0" id="lab_us-gaap_DebtWeightedAverageInterestRate_8E52E386F8494FBC4139758B09B853B0_terseLabel_en-US">Debt Instrument, Interest Rate, Stated Percentage</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DebtWeightedAverageInterestRate_8E52E386F8494FBC4139758B09B853B0" id="lab_us-gaap_DebtWeightedAverageInterestRate_8E52E386F8494FBC4139758B09B853B0_label_en-US">Debt, Weighted Average Interest Rate</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtWeightedAverageInterestRate" xlink:label="loc_us-gaap_DebtWeightedAverageInterestRate_8E52E386F8494FBC4139758B09B853B0"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_4A39E2C3C78188CE2E57758B09B84605" id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_4A39E2C3C78188CE2E57758B09B84605_terseLabel_en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_4A39E2C3C78188CE2E57758B09B84605" id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_4A39E2C3C78188CE2E57758B09B84605_label_en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_4A39E2C3C78188CE2E57758B09B84605"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_4A39E2C3C78188CE2E57758B09B84605" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_4A39E2C3C78188CE2E57758B09B84605" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_43D921081056E40C04CC758B09B89A90" id="lab_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_43D921081056E40C04CC758B09B89A90_terseLabel_en-US">Line of Credit Facility, Commitment Fee Percentage</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_43D921081056E40C04CC758B09B89A90" id="lab_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_43D921081056E40C04CC758B09B89A90_label_en-US">Line of Credit Facility, Commitment Fee Percentage</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_43D921081056E40C04CC758B09B89A90"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_43D921081056E40C04CC758B09B89A90" xlink:from="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_43D921081056E40C04CC758B09B89A90" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_91601CD6727BF636A454758B09B8D511" id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_91601CD6727BF636A454758B09B8D511_terseLabel_en-US">Debt Instrument, Basis Spread on Variable Rate</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_91601CD6727BF636A454758B09B8D511" id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_91601CD6727BF636A454758B09B8D511_label_en-US">Debt Instrument, Basis Spread on Variable Rate</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_91601CD6727BF636A454758B09B8D511"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_91601CD6727BF636A454758B09B8D511" xlink:from="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_91601CD6727BF636A454758B09B8D511" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_DebtInstrumentCovenantLeverageRatio_E6022D2C85341CC818FA758B09B86892" id="lab_htld_DebtInstrumentCovenantLeverageRatio_E6022D2C85341CC818FA758B09B86892_terseLabel_en-US">Debt Instrument, Covenant, Leverage Ratio</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_DebtInstrumentCovenantLeverageRatio_E6022D2C85341CC818FA758B09B86892" id="lab_htld_DebtInstrumentCovenantLeverageRatio_E6022D2C85341CC818FA758B09B86892_label_en-US">Debt Instrument, Covenant, Leverage Ratio</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_DebtInstrumentCovenantLeverageRatio_E6022D2C85341CC818FA758B09B86892" id="lab_htld_DebtInstrumentCovenantLeverageRatio_E6022D2C85341CC818FA758B09B86892_documentation_en-US">Debt Instrument, Covenant, Leverage Ratio</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_DebtInstrumentCovenantLeverageRatio" xlink:label="loc_htld_DebtInstrumentCovenantLeverageRatio_E6022D2C85341CC818FA758B09B86892"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_DebtInstrumentCovenantLeverageRatio_E6022D2C85341CC818FA758B09B86892" xlink:from="loc_htld_DebtInstrumentCovenantLeverageRatio_E6022D2C85341CC818FA758B09B86892" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_DebtCovenantMinimumNetIncomeRequirement_E5EACE019221B9C1DE7C758B09B8D3E4" id="lab_htld_DebtCovenantMinimumNetIncomeRequirement_E5EACE019221B9C1DE7C758B09B8D3E4_terseLabel_en-US">Debt Covenant, Minimum Net Income Requirement</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_DebtCovenantMinimumNetIncomeRequirement_E5EACE019221B9C1DE7C758B09B8D3E4" id="lab_htld_DebtCovenantMinimumNetIncomeRequirement_E5EACE019221B9C1DE7C758B09B8D3E4_label_en-US">Debt Covenant, Minimum Net Income Requirement</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_DebtCovenantMinimumNetIncomeRequirement_E5EACE019221B9C1DE7C758B09B8D3E4" id="lab_htld_DebtCovenantMinimumNetIncomeRequirement_E5EACE019221B9C1DE7C758B09B8D3E4_documentation_en-US">Debt Covenant, Minimum Net Income Requirement</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_DebtCovenantMinimumNetIncomeRequirement" xlink:label="loc_htld_DebtCovenantMinimumNetIncomeRequirement_E5EACE019221B9C1DE7C758B09B8D3E4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_DebtCovenantMinimumNetIncomeRequirement_E5EACE019221B9C1DE7C758B09B8D3E4" xlink:from="loc_htld_DebtCovenantMinimumNetIncomeRequirement_E5EACE019221B9C1DE7C758B09B8D3E4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LongTermDebt_A7BF8D1A8FBFA7AB05E3758B09B81516" id="lab_us-gaap_LongTermDebt_A7BF8D1A8FBFA7AB05E3758B09B81516_terseLabel_en-US">Long-term Debt</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LongTermDebt_A7BF8D1A8FBFA7AB05E3758B09B81516" id="lab_us-gaap_LongTermDebt_A7BF8D1A8FBFA7AB05E3758B09B81516_label_en-US">Long-term Debt</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_A7BF8D1A8FBFA7AB05E3758B09B81516"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LongTermDebt_A7BF8D1A8FBFA7AB05E3758B09B81516" xlink:from="loc_us-gaap_LongTermDebt_A7BF8D1A8FBFA7AB05E3758B09B81516" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_5FCEDE6416EE16C9C01F758B09B80416" id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_5FCEDE6416EE16C9C01F758B09B80416_terseLabel_en-US">Line of Credit Facility, Remaining Borrowing Capacity</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_5FCEDE6416EE16C9C01F758B09B80416" id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_5FCEDE6416EE16C9C01F758B09B80416_label_en-US">Line of Credit Facility, Remaining Borrowing Capacity</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_5FCEDE6416EE16C9C01F758B09B80416"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_5FCEDE6416EE16C9C01F758B09B80416" xlink:from="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_5FCEDE6416EE16C9C01F758B09B80416" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_DebtCovenantMinimumTangibleNetWorth_D8CE151B8DBB813445AA758B09B88ECD" id="lab_htld_DebtCovenantMinimumTangibleNetWorth_D8CE151B8DBB813445AA758B09B88ECD_terseLabel_en-US">Debt Instrument, Covenant Description</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_DebtCovenantMinimumTangibleNetWorth_D8CE151B8DBB813445AA758B09B88ECD" id="lab_htld_DebtCovenantMinimumTangibleNetWorth_D8CE151B8DBB813445AA758B09B88ECD_label_en-US">Debt Covenant, Minimum Tangible Net Worth</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_DebtCovenantMinimumTangibleNetWorth_D8CE151B8DBB813445AA758B09B88ECD" id="lab_htld_DebtCovenantMinimumTangibleNetWorth_D8CE151B8DBB813445AA758B09B88ECD_documentation_en-US">Debt Covenant, Minimum Tangible Net Worth</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_DebtCovenantMinimumTangibleNetWorth" xlink:label="loc_htld_DebtCovenantMinimumTangibleNetWorth_D8CE151B8DBB813445AA758B09B88ECD"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_DebtCovenantMinimumTangibleNetWorth_D8CE151B8DBB813445AA758B09B88ECD" xlink:from="loc_htld_DebtCovenantMinimumTangibleNetWorth_D8CE151B8DBB813445AA758B09B88ECD" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Lettersofcreditoutstandingonalineofcredit_12A0612368FE17C91F33758B09B8611D" id="lab_htld_Lettersofcreditoutstandingonalineofcredit_12A0612368FE17C91F33758B09B8611D_terseLabel_en-US">Letters of Credit Outstanding on a Line of Credit, Amount Outstanding</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Lettersofcreditoutstandingonalineofcredit_12A0612368FE17C91F33758B09B8611D" id="lab_htld_Lettersofcreditoutstandingonalineofcredit_12A0612368FE17C91F33758B09B8611D_label_en-US">letters of credit outstanding on a line of credit</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Lettersofcreditoutstandingonalineofcredit_12A0612368FE17C91F33758B09B8611D" id="lab_htld_Lettersofcreditoutstandingonalineofcredit_12A0612368FE17C91F33758B09B8611D_documentation_en-US">letters of credit outstanding on a line of credit</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_Lettersofcreditoutstandingonalineofcredit" xlink:label="loc_htld_Lettersofcreditoutstandingonalineofcredit_12A0612368FE17C91F33758B09B8611D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_Lettersofcreditoutstandingonalineofcredit_12A0612368FE17C91F33758B09B8611D" xlink:from="loc_htld_Lettersofcreditoutstandingonalineofcredit_12A0612368FE17C91F33758B09B8611D" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_C47A616E880C3D49B106E5788CBB9C81" id="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_C47A616E880C3D49B106E5788CBB9C81_terseLabel_en-US">Related Party</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_C47A616E880C3D49B106E5788CBB9C81" id="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_C47A616E880C3D49B106E5788CBB9C81_label_en-US">Related Party Transactions Disclosure [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:label="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_C47A616E880C3D49B106E5788CBB9C81"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_C47A616E880C3D49B106E5788CBB9C81" xlink:from="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_C47A616E880C3D49B106E5788CBB9C81" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_CustomerCreditTermsDays_CC0A90E165C7124621FCE5788CBE2E83" id="lab_htld_CustomerCreditTermsDays_CC0A90E165C7124621FCE5788CBE2E83_terseLabel_en-US">Customer credit terms (in days)</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_CustomerCreditTermsDays_CC0A90E165C7124621FCE5788CBE2E83" id="lab_htld_CustomerCreditTermsDays_CC0A90E165C7124621FCE5788CBE2E83_label_en-US">customer credit terms days</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_CustomerCreditTermsDays_CC0A90E165C7124621FCE5788CBE2E83" id="lab_htld_CustomerCreditTermsDays_CC0A90E165C7124621FCE5788CBE2E83_documentation_en-US">customer credit terms days</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_CustomerCreditTermsDays" xlink:label="loc_htld_CustomerCreditTermsDays_CC0A90E165C7124621FCE5788CBE2E83"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_CustomerCreditTermsDays_CC0A90E165C7124621FCE5788CBE2E83" xlink:from="loc_htld_CustomerCreditTermsDays_CC0A90E165C7124621FCE5788CBE2E83" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B585A37F757593528B6DE5788CBF92AD" id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B585A37F757593528B6DE5788CBF92AD_terseLabel_en-US">Allowance for Doubtful Accounts Receivable, Current</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B585A37F757593528B6DE5788CBF92AD" id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B585A37F757593528B6DE5788CBF92AD_label_en-US">Allowance for Doubtful Accounts Receivable, Current</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B585A37F757593528B6DE5788CBF92AD"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B585A37F757593528B6DE5788CBF92AD" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B585A37F757593528B6DE5788CBF92AD" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_289B22FB68AF919E09FBE5788D6276E4" id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_289B22FB68AF919E09FBE5788D6276E4_terseLabel_en-US">Intangible Assets and Goodwill</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_289B22FB68AF919E09FBE5788D6276E4" id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_289B22FB68AF919E09FBE5788D6276E4_label_en-US">Goodwill and Intangible Assets Disclosure [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_289B22FB68AF919E09FBE5788D6276E4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_289B22FB68AF919E09FBE5788D6276E4" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_289B22FB68AF919E09FBE5788D6276E4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxUncertaintiesAbstract_57C361C4ACA4D27027EE6CB9728C9A79" id="lab_us-gaap_IncomeTaxUncertaintiesAbstract_57C361C4ACA4D27027EE6CB9728C9A79_label_en-US">Income Tax Uncertainties [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxUncertaintiesAbstract" xlink:label="loc_us-gaap_IncomeTaxUncertaintiesAbstract_57C361C4ACA4D27027EE6CB9728C9A79"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeTaxUncertaintiesAbstract_57C361C4ACA4D27027EE6CB9728C9A79" xlink:from="loc_us-gaap_IncomeTaxUncertaintiesAbstract_57C361C4ACA4D27027EE6CB9728C9A79" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_B261482A5D5F71950D346CB9728C6B1B" id="lab_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_B261482A5D5F71950D346CB9728C6B1B_label_en-US">Unrecognized Tax Benefits that Would Impact Effective Tax Rate</link:label>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance_5AD64864A37351891BFD6CB9728D5D19" id="lab_us-gaap_DeferredTaxAssetsValuationAllowance_5AD64864A37351891BFD6CB9728D5D19_terseLabel_en-US">Valuation Allowance, Amount</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_5AD64864A37351891BFD6CB9728D5D19"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DeferredTaxAssetsValuationAllowance_5AD64864A37351891BFD6CB9728D5D19" xlink:from="loc_us-gaap_DeferredTaxAssetsValuationAllowance_5AD64864A37351891BFD6CB9728D5D19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_AccidentAndWorkersCompensationInsuranceLiabilitiesAbstract_674D4790656572BE39E1E5788D57ACF9" id="lab_htld_AccidentAndWorkersCompensationInsuranceLiabilitiesAbstract_674D4790656572BE39E1E5788D57ACF9_label_en-US">Accident and Workers' Compensation Insurance Liabilities [Abstract]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_AccidentAndWorkersCompensationInsuranceLiabilitiesAbstract_674D4790656572BE39E1E5788D57ACF9" id="lab_htld_AccidentAndWorkersCompensationInsuranceLiabilitiesAbstract_674D4790656572BE39E1E5788D57ACF9_documentation_en-US">Accident and Workers' Compensation Insurance Liabilities [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_AccidentAndWorkersCompensationInsuranceLiabilitiesAbstract" xlink:label="loc_htld_AccidentAndWorkersCompensationInsuranceLiabilitiesAbstract_674D4790656572BE39E1E5788D57ACF9"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_AccidentAndWorkersCompensationInsuranceLiabilitiesAbstract_674D4790656572BE39E1E5788D57ACF9" xlink:from="loc_htld_AccidentAndWorkersCompensationInsuranceLiabilitiesAbstract_674D4790656572BE39E1E5788D57ACF9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OtherLiabilitiesDisclosureTextBlock_7A138C11FFF617580507E5788D57F690" id="lab_us-gaap_OtherLiabilitiesDisclosureTextBlock_7A138C11FFF617580507E5788D57F690_terseLabel_en-US">Accident and Workers' Compensation Insurance Liabilities</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_OtherLiabilitiesDisclosureTextBlock_7A138C11FFF617580507E5788D57F690" id="lab_us-gaap_OtherLiabilitiesDisclosureTextBlock_7A138C11FFF617580507E5788D57F690_label_en-US">Other Liabilities Disclosure [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherLiabilitiesDisclosureTextBlock" xlink:label="loc_us-gaap_OtherLiabilitiesDisclosureTextBlock_7A138C11FFF617580507E5788D57F690"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OtherLiabilitiesDisclosureTextBlock_7A138C11FFF617580507E5788D57F690" xlink:from="loc_us-gaap_OtherLiabilitiesDisclosureTextBlock_7A138C11FFF617580507E5788D57F690" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_DeiAbstract_E2D380EF00F7B2F11E98672EA21458C9" id="lab_htld_DeiAbstract_E2D380EF00F7B2F11E98672EA21458C9_label_en-US">DEI [Abstract]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_DeiAbstract_E2D380EF00F7B2F11E98672EA21458C9" id="lab_htld_DeiAbstract_E2D380EF00F7B2F11E98672EA21458C9_documentation_en-US">DEI [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_DeiAbstract" xlink:label="loc_htld_DeiAbstract_E2D380EF00F7B2F11E98672EA21458C9"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_DeiAbstract_E2D380EF00F7B2F11E98672EA21458C9" xlink:from="loc_htld_DeiAbstract_E2D380EF00F7B2F11E98672EA21458C9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_DocumentInformationTable_CCE6509373DF2ACFE8F3672EA218DA99" id="lab_dei_DocumentInformationTable_CCE6509373DF2ACFE8F3672EA218DA99_terseLabel_en-US">Document Information [Table]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_DocumentInformationTable_CCE6509373DF2ACFE8F3672EA218DA99" id="lab_dei_DocumentInformationTable_CCE6509373DF2ACFE8F3672EA218DA99_label_en-US">Document Information [Table]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentInformationTable" xlink:label="loc_dei_DocumentInformationTable_CCE6509373DF2ACFE8F3672EA218DA99"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_DocumentInformationTable_CCE6509373DF2ACFE8F3672EA218DA99" xlink:from="loc_dei_DocumentInformationTable_CCE6509373DF2ACFE8F3672EA218DA99" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_DocumentInformationDocumentAxis_49C4B2F3AB0428A8A70D672EA21869A5" id="lab_dei_DocumentInformationDocumentAxis_49C4B2F3AB0428A8A70D672EA21869A5_terseLabel_en-US">Document Information, Document [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_DocumentInformationDocumentAxis_49C4B2F3AB0428A8A70D672EA21869A5" id="lab_dei_DocumentInformationDocumentAxis_49C4B2F3AB0428A8A70D672EA21869A5_label_en-US">Document Information, Document [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentInformationDocumentAxis" xlink:label="loc_dei_DocumentInformationDocumentAxis_49C4B2F3AB0428A8A70D672EA21869A5"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_DocumentInformationDocumentAxis_49C4B2F3AB0428A8A70D672EA21869A5" xlink:from="loc_dei_DocumentInformationDocumentAxis_49C4B2F3AB0428A8A70D672EA21869A5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_DocumentDomain_D63076DB4F6FC9BF056C672EA218E3B8" id="lab_dei_DocumentDomain_D63076DB4F6FC9BF056C672EA218E3B8_terseLabel_en-US">Document [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_DocumentDomain_D63076DB4F6FC9BF056C672EA218E3B8" id="lab_dei_DocumentDomain_D63076DB4F6FC9BF056C672EA218E3B8_label_en-US">Document [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentDomain" xlink:label="loc_dei_DocumentDomain_D63076DB4F6FC9BF056C672EA218E3B8"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_DocumentDomain_D63076DB4F6FC9BF056C672EA218E3B8" xlink:from="loc_dei_DocumentDomain_D63076DB4F6FC9BF056C672EA218E3B8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_DocumentInformationLineItems_273AAF853EBC7B97FABF672EA218C02A" id="lab_dei_DocumentInformationLineItems_273AAF853EBC7B97FABF672EA218C02A_terseLabel_en-US">Document Information [Line Items]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_DocumentInformationLineItems_273AAF853EBC7B97FABF672EA218C02A" id="lab_dei_DocumentInformationLineItems_273AAF853EBC7B97FABF672EA218C02A_label_en-US">Document Information [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentInformationLineItems" xlink:label="loc_dei_DocumentInformationLineItems_273AAF853EBC7B97FABF672EA218C02A"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_DocumentInformationLineItems_273AAF853EBC7B97FABF672EA218C02A" xlink:from="loc_dei_DocumentInformationLineItems_273AAF853EBC7B97FABF672EA218C02A" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_EntityRegistrantName_B8EB395280ABAD816317672EA21A7568" id="lab_dei_EntityRegistrantName_B8EB395280ABAD816317672EA21A7568_terseLabel_en-US">Entity Registrant Name</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_EntityRegistrantName_B8EB395280ABAD816317672EA21A7568" id="lab_dei_EntityRegistrantName_B8EB395280ABAD816317672EA21A7568_label_en-US">Entity Registrant Name</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_B8EB395280ABAD816317672EA21A7568"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_EntityRegistrantName_B8EB395280ABAD816317672EA21A7568" xlink:from="loc_dei_EntityRegistrantName_B8EB395280ABAD816317672EA21A7568" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_EntityCentralIndexKey_4236219A85A7FE8D090E672EA21B8AB0" id="lab_dei_EntityCentralIndexKey_4236219A85A7FE8D090E672EA21B8AB0_terseLabel_en-US">Entity Central Index Key</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_EntityCentralIndexKey_4236219A85A7FE8D090E672EA21B8AB0" id="lab_dei_EntityCentralIndexKey_4236219A85A7FE8D090E672EA21B8AB0_label_en-US">Entity Central Index Key</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_4236219A85A7FE8D090E672EA21B8AB0"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_EntityCentralIndexKey_4236219A85A7FE8D090E672EA21B8AB0" xlink:from="loc_dei_EntityCentralIndexKey_4236219A85A7FE8D090E672EA21B8AB0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_DocumentType_C20BA388FBE4D2470B7C672EA21BD5FD" id="lab_dei_DocumentType_C20BA388FBE4D2470B7C672EA21BD5FD_terseLabel_en-US">Document Type</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_DocumentType_C20BA388FBE4D2470B7C672EA21BD5FD" id="lab_dei_DocumentType_C20BA388FBE4D2470B7C672EA21BD5FD_label_en-US">Document Type</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_C20BA388FBE4D2470B7C672EA21BD5FD"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_DocumentType_C20BA388FBE4D2470B7C672EA21BD5FD" xlink:from="loc_dei_DocumentType_C20BA388FBE4D2470B7C672EA21BD5FD" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_DocumentPeriodEndDate_08A358FE81BB66712C25672EA21BF672" id="lab_dei_DocumentPeriodEndDate_08A358FE81BB66712C25672EA21BF672_terseLabel_en-US">Document Period End Date</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_DocumentPeriodEndDate_08A358FE81BB66712C25672EA21BF672" id="lab_dei_DocumentPeriodEndDate_08A358FE81BB66712C25672EA21BF672_label_en-US">Document Period End Date</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_08A358FE81BB66712C25672EA21BF672"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_DocumentPeriodEndDate_08A358FE81BB66712C25672EA21BF672" xlink:from="loc_dei_DocumentPeriodEndDate_08A358FE81BB66712C25672EA21BF672" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_DocumentFiscalYearFocus_66C69F1002A0889F2DCC672EA21BB4AC" id="lab_dei_DocumentFiscalYearFocus_66C69F1002A0889F2DCC672EA21BB4AC_terseLabel_en-US">Document Fiscal Year Focus</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_DocumentFiscalYearFocus_66C69F1002A0889F2DCC672EA21BB4AC" id="lab_dei_DocumentFiscalYearFocus_66C69F1002A0889F2DCC672EA21BB4AC_label_en-US">Document Fiscal Year Focus</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_66C69F1002A0889F2DCC672EA21BB4AC"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_DocumentFiscalYearFocus_66C69F1002A0889F2DCC672EA21BB4AC" xlink:from="loc_dei_DocumentFiscalYearFocus_66C69F1002A0889F2DCC672EA21BB4AC" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_DocumentFiscalPeriodFocus_0ADAC675B97FE126B26C672EA21BAEAF" id="lab_dei_DocumentFiscalPeriodFocus_0ADAC675B97FE126B26C672EA21BAEAF_terseLabel_en-US">Document Fiscal Period Focus</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_DocumentFiscalPeriodFocus_0ADAC675B97FE126B26C672EA21BAEAF" id="lab_dei_DocumentFiscalPeriodFocus_0ADAC675B97FE126B26C672EA21BAEAF_label_en-US">Document Fiscal Period Focus</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_0ADAC675B97FE126B26C672EA21BAEAF"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_DocumentFiscalPeriodFocus_0ADAC675B97FE126B26C672EA21BAEAF" xlink:from="loc_dei_DocumentFiscalPeriodFocus_0ADAC675B97FE126B26C672EA21BAEAF" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_CurrentFiscalYearEndDate_114556802B1ADCA23005672EA21B4FC4" id="lab_dei_CurrentFiscalYearEndDate_114556802B1ADCA23005672EA21B4FC4_terseLabel_en-US">Current Fiscal Year End Date</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_CurrentFiscalYearEndDate_114556802B1ADCA23005672EA21B4FC4" id="lab_dei_CurrentFiscalYearEndDate_114556802B1ADCA23005672EA21B4FC4_label_en-US">Current Fiscal Year End Date</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_114556802B1ADCA23005672EA21B4FC4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_CurrentFiscalYearEndDate_114556802B1ADCA23005672EA21B4FC4" xlink:from="loc_dei_CurrentFiscalYearEndDate_114556802B1ADCA23005672EA21B4FC4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer_D1AAD5D67AB96A5062B2672EA21B0CA3" id="lab_dei_EntityWellKnownSeasonedIssuer_D1AAD5D67AB96A5062B2672EA21B0CA3_terseLabel_en-US">Entity Well-known Seasoned Issuer</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer_D1AAD5D67AB96A5062B2672EA21B0CA3" id="lab_dei_EntityWellKnownSeasonedIssuer_D1AAD5D67AB96A5062B2672EA21B0CA3_label_en-US">Entity Well-known Seasoned Issuer</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_D1AAD5D67AB96A5062B2672EA21B0CA3"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_EntityWellKnownSeasonedIssuer_D1AAD5D67AB96A5062B2672EA21B0CA3" xlink:from="loc_dei_EntityWellKnownSeasonedIssuer_D1AAD5D67AB96A5062B2672EA21B0CA3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_EntityVoluntaryFilers_E157E88FBD444C9DB685672EA21CFA12" id="lab_dei_EntityVoluntaryFilers_E157E88FBD444C9DB685672EA21CFA12_terseLabel_en-US">Entity Voluntary Filers</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_EntityVoluntaryFilers_E157E88FBD444C9DB685672EA21CFA12" id="lab_dei_EntityVoluntaryFilers_E157E88FBD444C9DB685672EA21CFA12_label_en-US">Entity Voluntary Filers</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers_E157E88FBD444C9DB685672EA21CFA12"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_EntityCurrentReportingStatus_6F614E875D113E1A0C73672EA21CA091" id="lab_dei_EntityCurrentReportingStatus_6F614E875D113E1A0C73672EA21CA091_terseLabel_en-US">Entity Current Reporting Status</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_EntityCurrentReportingStatus_6F614E875D113E1A0C73672EA21CA091" id="lab_dei_EntityCurrentReportingStatus_6F614E875D113E1A0C73672EA21CA091_label_en-US">Entity Current Reporting Status</link:label>

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<link:labelArc xlink:type="arc" xlink:to="lab_dei_EntityCurrentReportingStatus_6F614E875D113E1A0C73672EA21CA091" xlink:from="loc_dei_EntityCurrentReportingStatus_6F614E875D113E1A0C73672EA21CA091" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_AmendmentFlag_3D53B41B5958A25BBC57672EA21C76B1" id="lab_dei_AmendmentFlag_3D53B41B5958A25BBC57672EA21C76B1_terseLabel_en-US">Amendment Flag</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_AmendmentFlag_3D53B41B5958A25BBC57672EA21C76B1" id="lab_dei_AmendmentFlag_3D53B41B5958A25BBC57672EA21C76B1_label_en-US">Amendment Flag</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_3D53B41B5958A25BBC57672EA21C76B1"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_AmendmentFlag_3D53B41B5958A25BBC57672EA21C76B1" xlink:from="loc_dei_AmendmentFlag_3D53B41B5958A25BBC57672EA21C76B1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_EntityFilerCategory_98AA00725BCA77612C20672EA21D5182" id="lab_dei_EntityFilerCategory_98AA00725BCA77612C20672EA21D5182_terseLabel_en-US">Entity Filer Category</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_EntityFilerCategory_98AA00725BCA77612C20672EA21D5182" id="lab_dei_EntityFilerCategory_98AA00725BCA77612C20672EA21D5182_label_en-US">Entity Filer Category</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_98AA00725BCA77612C20672EA21D5182"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_EntityFilerCategory_98AA00725BCA77612C20672EA21D5182" xlink:from="loc_dei_EntityFilerCategory_98AA00725BCA77612C20672EA21D5182" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_4D0D54309EF3F91C0F66672EA21D620A" id="lab_dei_EntityCommonStockSharesOutstanding_4D0D54309EF3F91C0F66672EA21D620A_terseLabel_en-US">Entity Common Stock, Shares Outstanding</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_4D0D54309EF3F91C0F66672EA21D620A" id="lab_dei_EntityCommonStockSharesOutstanding_4D0D54309EF3F91C0F66672EA21D620A_label_en-US">Entity Common Stock, Shares Outstanding</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_4D0D54309EF3F91C0F66672EA21D620A"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_EntityCommonStockSharesOutstanding_4D0D54309EF3F91C0F66672EA21D620A" xlink:from="loc_dei_EntityCommonStockSharesOutstanding_4D0D54309EF3F91C0F66672EA21D620A" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_EntityPublicFloat_87528E8567592B1094D7672EA21D1FDF" id="lab_dei_EntityPublicFloat_87528E8567592B1094D7672EA21D1FDF_terseLabel_en-US">Entity Public Float</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_dei_EntityPublicFloat_87528E8567592B1094D7672EA21D1FDF" id="lab_dei_EntityPublicFloat_87528E8567592B1094D7672EA21D1FDF_label_en-US">Entity Public Float</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityPublicFloat" xlink:label="loc_dei_EntityPublicFloat_87528E8567592B1094D7672EA21D1FDF"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_EntityPublicFloat_87528E8567592B1094D7672EA21D1FDF" xlink:from="loc_dei_EntityPublicFloat_87528E8567592B1094D7672EA21D1FDF" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionEquityInterestIssuedOrIssuableTextBlock_9C21A09ACC1A03B0CCB87FFC6DD01707" id="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionEquityInterestIssuedOrIssuableTextBlock_9C21A09ACC1A03B0CCB87FFC6DD01707_terseLabel_en-US">Schedule of Business Acquisitions by Acquisition, Equity Interest Issued or Issuable [Table Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionEquityInterestIssuedOrIssuableTextBlock_9C21A09ACC1A03B0CCB87FFC6DD01707" id="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionEquityInterestIssuedOrIssuableTextBlock_9C21A09ACC1A03B0CCB87FFC6DD01707_label_en-US">Schedule of Business Acquisitions by Acquisition, Equity Interest Issued or Issuable [Table Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionEquityInterestIssuedOrIssuableTextBlock" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionEquityInterestIssuedOrIssuableTextBlock_9C21A09ACC1A03B0CCB87FFC6DD01707"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionEquityInterestIssuedOrIssuableTextBlock_9C21A09ACC1A03B0CCB87FFC6DD01707" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionEquityInterestIssuedOrIssuableTextBlock_9C21A09ACC1A03B0CCB87FFC6DD01707" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_66EBB069FCF320924FA1E5788CF8728E" id="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_66EBB069FCF320924FA1E5788CF8728E_terseLabel_en-US">Property, Plant and Equipment [Table Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_66EBB069FCF320924FA1E5788CF8728E" id="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_66EBB069FCF320924FA1E5788CF8728E_label_en-US">Property, Plant and Equipment [Table Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTextBlock_66EBB069FCF320924FA1E5788CF8728E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_66EBB069FCF320924FA1E5788CF8728E" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTextBlock_66EBB069FCF320924FA1E5788CF8728E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_D697375FC97411E9EB85E5788CF8B12E" id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_D697375FC97411E9EB85E5788CF8B12E_terseLabel_en-US">Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_D697375FC97411E9EB85E5788CF8B12E" id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_D697375FC97411E9EB85E5788CF8B12E_label_en-US">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_D697375FC97411E9EB85E5788CF8B12E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_D697375FC97411E9EB85E5788CF8B12E" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_D697375FC97411E9EB85E5788CF8B12E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConcentrationRiskTable_3954286384A17300C7B18312FC525C0A" id="lab_us-gaap_ConcentrationRiskTable_3954286384A17300C7B18312FC525C0A_terseLabel_en-US">Concentration Risk [Table]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConcentrationRiskTable_3954286384A17300C7B18312FC525C0A" id="lab_us-gaap_ConcentrationRiskTable_3954286384A17300C7B18312FC525C0A_label_en-US">Concentration Risk [Table]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskTable" xlink:label="loc_us-gaap_ConcentrationRiskTable_3954286384A17300C7B18312FC525C0A"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ConcentrationRiskTable_3954286384A17300C7B18312FC525C0A" xlink:from="loc_us-gaap_ConcentrationRiskTable_3954286384A17300C7B18312FC525C0A" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_062D2B8FA37749D4ADA38312FC5240F5" id="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_062D2B8FA37749D4ADA38312FC5240F5_terseLabel_en-US">Concentration Risk by Benchmark [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_062D2B8FA37749D4ADA38312FC5240F5" id="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_062D2B8FA37749D4ADA38312FC5240F5_label_en-US">Concentration Risk Benchmark [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_062D2B8FA37749D4ADA38312FC5240F5"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_062D2B8FA37749D4ADA38312FC5240F5" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_062D2B8FA37749D4ADA38312FC5240F5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConcentrationRiskBenchmarkDomain_7A7F69680494EB8997058312FC52E5D9" id="lab_us-gaap_ConcentrationRiskBenchmarkDomain_7A7F69680494EB8997058312FC52E5D9_terseLabel_en-US">Concentration Risk Benchmark [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConcentrationRiskBenchmarkDomain_7A7F69680494EB8997058312FC52E5D9" id="lab_us-gaap_ConcentrationRiskBenchmarkDomain_7A7F69680494EB8997058312FC52E5D9_label_en-US">Concentration Risk Benchmark [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_7A7F69680494EB8997058312FC52E5D9"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ConcentrationRiskBenchmarkDomain_7A7F69680494EB8997058312FC52E5D9" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_7A7F69680494EB8997058312FC52E5D9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_SalesRevenueServicesNetMember_94F412C38E5FD2E1442B8312FC5216B4" id="lab_us-gaap_SalesRevenueServicesNetMember_94F412C38E5FD2E1442B8312FC5216B4_terseLabel_en-US">Sales Revenue, Services, Net [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_SalesRevenueServicesNetMember_94F412C38E5FD2E1442B8312FC5216B4" id="lab_us-gaap_SalesRevenueServicesNetMember_94F412C38E5FD2E1442B8312FC5216B4_label_en-US">Sales Revenue, Services, Net [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SalesRevenueServicesNetMember" xlink:label="loc_us-gaap_SalesRevenueServicesNetMember_94F412C38E5FD2E1442B8312FC5216B4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SalesRevenueServicesNetMember_94F412C38E5FD2E1442B8312FC5216B4" xlink:from="loc_us-gaap_SalesRevenueServicesNetMember_94F412C38E5FD2E1442B8312FC5216B4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AccountsReceivableMember_BC4ACA131FE148A8B5678312FC5246EC" id="lab_us-gaap_AccountsReceivableMember_BC4ACA131FE148A8B5678312FC5246EC_terseLabel_en-US">Accounts Receivable [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AccountsReceivableMember_BC4ACA131FE148A8B5678312FC5246EC" id="lab_us-gaap_AccountsReceivableMember_BC4ACA131FE148A8B5678312FC5246EC_label_en-US">Accounts Receivable [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsReceivableMember" xlink:label="loc_us-gaap_AccountsReceivableMember_BC4ACA131FE148A8B5678312FC5246EC"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AccountsReceivableMember_BC4ACA131FE148A8B5678312FC5246EC" xlink:from="loc_us-gaap_AccountsReceivableMember_BC4ACA131FE148A8B5678312FC5246EC" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConcentrationRiskByTypeAxis_BCA4550B4F9E58EA681E8312FC528700" id="lab_us-gaap_ConcentrationRiskByTypeAxis_BCA4550B4F9E58EA681E8312FC528700_terseLabel_en-US">Concentration Risk by Type [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConcentrationRiskByTypeAxis_BCA4550B4F9E58EA681E8312FC528700" id="lab_us-gaap_ConcentrationRiskByTypeAxis_BCA4550B4F9E58EA681E8312FC528700_label_en-US">Concentration Risk Type [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_BCA4550B4F9E58EA681E8312FC528700"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConcentrationRiskTypeDomain_DD1AE6AF92E15E947B348312FC525268" id="lab_us-gaap_ConcentrationRiskTypeDomain_DD1AE6AF92E15E947B348312FC525268_terseLabel_en-US">Concentration Risk Type [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConcentrationRiskTypeDomain_DD1AE6AF92E15E947B348312FC525268" id="lab_us-gaap_ConcentrationRiskTypeDomain_DD1AE6AF92E15E947B348312FC525268_label_en-US">Concentration Risk Type [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_DD1AE6AF92E15E947B348312FC525268"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CustomerConcentrationRiskMember_7A8FE2B3BD53B54B50A78312FC520DE1" id="lab_us-gaap_CustomerConcentrationRiskMember_7A8FE2B3BD53B54B50A78312FC520DE1_terseLabel_en-US">Customer Concentration Risk [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CustomerConcentrationRiskMember_7A8FE2B3BD53B54B50A78312FC520DE1" id="lab_us-gaap_CustomerConcentrationRiskMember_7A8FE2B3BD53B54B50A78312FC520DE1_label_en-US">Customer Concentration Risk [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_7A8FE2B3BD53B54B50A78312FC520DE1"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CustomerConcentrationRiskMember_7A8FE2B3BD53B54B50A78312FC520DE1" xlink:from="loc_us-gaap_CustomerConcentrationRiskMember_7A8FE2B3BD53B54B50A78312FC520DE1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConcentrationRiskLineItems_DA8F8E65186634DA98818312FC5279A2" id="lab_us-gaap_ConcentrationRiskLineItems_DA8F8E65186634DA98818312FC5279A2_terseLabel_en-US">Concentration Risk</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConcentrationRiskLineItems_DA8F8E65186634DA98818312FC5279A2" id="lab_us-gaap_ConcentrationRiskLineItems_DA8F8E65186634DA98818312FC5279A2_label_en-US">Concentration Risk [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskLineItems" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_DA8F8E65186634DA98818312FC5279A2"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ConcentrationRiskLineItems_DA8F8E65186634DA98818312FC5279A2" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_DA8F8E65186634DA98818312FC5279A2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ConcentrationOfRiskNumberOfCustomers_8CA000471EED155D13AC8312FC52F054" id="lab_htld_ConcentrationOfRiskNumberOfCustomers_8CA000471EED155D13AC8312FC52F054_terseLabel_en-US">Concentration of risk, number of customers</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ConcentrationOfRiskNumberOfCustomers_8CA000471EED155D13AC8312FC52F054" id="lab_htld_ConcentrationOfRiskNumberOfCustomers_8CA000471EED155D13AC8312FC52F054_label_en-US">Concentration of risk, number of customers</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ConcentrationOfRiskNumberOfCustomers_8CA000471EED155D13AC8312FC52F054" id="lab_htld_ConcentrationOfRiskNumberOfCustomers_8CA000471EED155D13AC8312FC52F054_documentation_en-US">Concentration of risk, number of customers</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_ConcentrationOfRiskNumberOfCustomers" xlink:label="loc_htld_ConcentrationOfRiskNumberOfCustomers_8CA000471EED155D13AC8312FC52F054"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_ConcentrationOfRiskNumberOfCustomers_8CA000471EED155D13AC8312FC52F054" xlink:from="loc_htld_ConcentrationOfRiskNumberOfCustomers_8CA000471EED155D13AC8312FC52F054" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Baselinepercentageforcustomerconcentrationofrisk_79E7D6672E45B02110728312FC525C85" id="lab_htld_Baselinepercentageforcustomerconcentrationofrisk_79E7D6672E45B02110728312FC525C85_terseLabel_en-US">Baseline percentage for customer concentration of risk</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Baselinepercentageforcustomerconcentrationofrisk_79E7D6672E45B02110728312FC525C85" id="lab_htld_Baselinepercentageforcustomerconcentrationofrisk_79E7D6672E45B02110728312FC525C85_label_en-US">Baseline percentage for customer concentration of risk</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Baselinepercentageforcustomerconcentrationofrisk_79E7D6672E45B02110728312FC525C85" id="lab_htld_Baselinepercentageforcustomerconcentrationofrisk_79E7D6672E45B02110728312FC525C85_documentation_en-US">Baseline percentage for customer concentration of risk</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_Baselinepercentageforcustomerconcentrationofrisk" xlink:label="loc_htld_Baselinepercentageforcustomerconcentrationofrisk_79E7D6672E45B02110728312FC525C85"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_Baselinepercentageforcustomerconcentrationofrisk_79E7D6672E45B02110728312FC525C85" xlink:from="loc_htld_Baselinepercentageforcustomerconcentrationofrisk_79E7D6672E45B02110728312FC525C85" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D20F108A5104CF4A53A18312FC5217FE" id="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D20F108A5104CF4A53A18312FC5217FE_terseLabel_en-US">Revenues</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D20F108A5104CF4A53A18312FC5217FE" id="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D20F108A5104CF4A53A18312FC5217FE_label_en-US">Segment Reporting, Disclosure of Major Customers</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentReportingDisclosureOfMajorCustomers" xlink:label="loc_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D20F108A5104CF4A53A18312FC5217FE"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D20F108A5104CF4A53A18312FC5217FE" xlink:from="loc_us-gaap_SegmentReportingDisclosureOfMajorCustomers_D20F108A5104CF4A53A18312FC5217FE" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_9CA8F4A4CFEF08266D258312FC526110" id="lab_us-gaap_ConcentrationRiskPercentage1_9CA8F4A4CFEF08266D258312FC526110_terseLabel_en-US">Concentration Risk, Percentage</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_9CA8F4A4CFEF08266D258312FC526110" id="lab_us-gaap_ConcentrationRiskPercentage1_9CA8F4A4CFEF08266D258312FC526110_label_en-US">Concentration Risk, Percentage</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_9CA8F4A4CFEF08266D258312FC526110"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ConcentrationRiskPercentage1_9CA8F4A4CFEF08266D258312FC526110" xlink:from="loc_us-gaap_ConcentrationRiskPercentage1_9CA8F4A4CFEF08266D258312FC526110" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_DepreciationExpenseInCommunicationAndUtilitiesExpenseTable_D48D7901306164950009E5788CB19AF5" id="lab_htld_DepreciationExpenseInCommunicationAndUtilitiesExpenseTable_D48D7901306164950009E5788CB19AF5_terseLabel_en-US">Depreciation expense in communication and utilities expense [Table]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_DepreciationExpenseInCommunicationAndUtilitiesExpenseTable_D48D7901306164950009E5788CB19AF5" id="lab_htld_DepreciationExpenseInCommunicationAndUtilitiesExpenseTable_D48D7901306164950009E5788CB19AF5_label_en-US">Depreciation expense in communication and utilities expense [Table]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_DepreciationExpenseInCommunicationAndUtilitiesExpenseTable_D48D7901306164950009E5788CB19AF5" id="lab_htld_DepreciationExpenseInCommunicationAndUtilitiesExpenseTable_D48D7901306164950009E5788CB19AF5_documentation_en-US">Depreciation expense [Table]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_DepreciationExpenseInCommunicationAndUtilitiesExpenseTable" xlink:label="loc_htld_DepreciationExpenseInCommunicationAndUtilitiesExpenseTable_D48D7901306164950009E5788CB19AF5"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_DepreciationExpenseInCommunicationAndUtilitiesExpenseTable_D48D7901306164950009E5788CB19AF5" xlink:from="loc_htld_DepreciationExpenseInCommunicationAndUtilitiesExpenseTable_D48D7901306164950009E5788CB19AF5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_81E56693238247DF999DE5788CB27BB6" id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_81E56693238247DF999DE5788CB27BB6_terseLabel_en-US">Property, Plant and Equipment by Type [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_81E56693238247DF999DE5788CB27BB6" id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_81E56693238247DF999DE5788CB27BB6_label_en-US">Property, Plant and Equipment, Type [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_81E56693238247DF999DE5788CB27BB6"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_81E56693238247DF999DE5788CB27BB6" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_81E56693238247DF999DE5788CB27BB6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_2D151C401B69666003FDE5788CB21DD5" id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_2D151C401B69666003FDE5788CB21DD5_terseLabel_en-US">Property, Plant and Equipment, Type [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_2D151C401B69666003FDE5788CB21DD5" id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_2D151C401B69666003FDE5788CB21DD5_label_en-US">Property, Plant and Equipment, Type [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_2D151C401B69666003FDE5788CB21DD5"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_2D151C401B69666003FDE5788CB21DD5" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_2D151C401B69666003FDE5788CB21DD5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_TractorsMember_E70A26C8024CAF284991E5788CB2DB7C" id="lab_htld_TractorsMember_E70A26C8024CAF284991E5788CB2DB7C_terseLabel_en-US">Tractors [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_TractorsMember_E70A26C8024CAF284991E5788CB2DB7C" id="lab_htld_TractorsMember_E70A26C8024CAF284991E5788CB2DB7C_label_en-US">Tractors [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_TractorsMember_E70A26C8024CAF284991E5788CB2DB7C" id="lab_htld_TractorsMember_E70A26C8024CAF284991E5788CB2DB7C_documentation_en-US">Tractors [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_TractorsMember" xlink:label="loc_htld_TractorsMember_E70A26C8024CAF284991E5788CB2DB7C"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_TractorsMember_E70A26C8024CAF284991E5788CB2DB7C" xlink:from="loc_htld_TractorsMember_E70A26C8024CAF284991E5788CB2DB7C" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_TrailersMember_1BC98EB63F4A7B89712CE5788CB28E6D" id="lab_htld_TrailersMember_1BC98EB63F4A7B89712CE5788CB28E6D_terseLabel_en-US">Trailers [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_TrailersMember_1BC98EB63F4A7B89712CE5788CB28E6D" id="lab_htld_TrailersMember_1BC98EB63F4A7B89712CE5788CB28E6D_label_en-US">Trailers [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_TrailersMember_1BC98EB63F4A7B89712CE5788CB28E6D" id="lab_htld_TrailersMember_1BC98EB63F4A7B89712CE5788CB28E6D_documentation_en-US">Trailers [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_TrailersMember" xlink:label="loc_htld_TrailersMember_1BC98EB63F4A7B89712CE5788CB28E6D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_TrailersMember_1BC98EB63F4A7B89712CE5788CB28E6D" xlink:from="loc_htld_TrailersMember_1BC98EB63F4A7B89712CE5788CB28E6D" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_LandImprovementsAndBuildingsMember_E559AD73BDD12912F45DE5788CB2FD20" id="lab_htld_LandImprovementsAndBuildingsMember_E559AD73BDD12912F45DE5788CB2FD20_terseLabel_en-US">Land Improvements and Buildings [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_LandImprovementsAndBuildingsMember_E559AD73BDD12912F45DE5788CB2FD20" id="lab_htld_LandImprovementsAndBuildingsMember_E559AD73BDD12912F45DE5788CB2FD20_label_en-US">Land Improvements and Buildings [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_LandImprovementsAndBuildingsMember_E559AD73BDD12912F45DE5788CB2FD20" id="lab_htld_LandImprovementsAndBuildingsMember_E559AD73BDD12912F45DE5788CB2FD20_documentation_en-US">Land Improvements and Buildings [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_LandImprovementsAndBuildingsMember" xlink:label="loc_htld_LandImprovementsAndBuildingsMember_E559AD73BDD12912F45DE5788CB2FD20"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_LandImprovementsAndBuildingsMember_E559AD73BDD12912F45DE5788CB2FD20" xlink:from="loc_htld_LandImprovementsAndBuildingsMember_E559AD73BDD12912F45DE5788CB2FD20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LeaseholdImprovementsMember_971D4407D482165F1601E5788CB2D4C2" id="lab_us-gaap_LeaseholdImprovementsMember_971D4407D482165F1601E5788CB2D4C2_terseLabel_en-US">Leasehold Improvements [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LeaseholdImprovementsMember_971D4407D482165F1601E5788CB2D4C2" id="lab_us-gaap_LeaseholdImprovementsMember_971D4407D482165F1601E5788CB2D4C2_label_en-US">Leasehold Improvements [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LeaseholdImprovementsMember" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_971D4407D482165F1601E5788CB2D4C2"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LeaseholdImprovementsMember_971D4407D482165F1601E5788CB2D4C2" xlink:from="loc_us-gaap_LeaseholdImprovementsMember_971D4407D482165F1601E5788CB2D4C2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FurnitureAndFixturesMember_62AEF58F84DF1D7DF995E5788CB2FC69" id="lab_us-gaap_FurnitureAndFixturesMember_62AEF58F84DF1D7DF995E5788CB2FC69_terseLabel_en-US">Furniture and Fixtures [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_FurnitureAndFixturesMember_62AEF58F84DF1D7DF995E5788CB2FC69" id="lab_us-gaap_FurnitureAndFixturesMember_62AEF58F84DF1D7DF995E5788CB2FC69_label_en-US">Furniture and Fixtures [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_62AEF58F84DF1D7DF995E5788CB2FC69"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_FurnitureAndFixturesMember_62AEF58F84DF1D7DF995E5788CB2FC69" xlink:from="loc_us-gaap_FurnitureAndFixturesMember_62AEF58F84DF1D7DF995E5788CB2FC69" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ShopAndServiceEquipmentMember_CF6660724BE1D35CFF46E5788CB211A8" id="lab_htld_ShopAndServiceEquipmentMember_CF6660724BE1D35CFF46E5788CB211A8_terseLabel_en-US">Shop and Service Equipment [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ShopAndServiceEquipmentMember_CF6660724BE1D35CFF46E5788CB211A8" id="lab_htld_ShopAndServiceEquipmentMember_CF6660724BE1D35CFF46E5788CB211A8_label_en-US">Shop and Service Equipment [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ShopAndServiceEquipmentMember_CF6660724BE1D35CFF46E5788CB211A8" id="lab_htld_ShopAndServiceEquipmentMember_CF6660724BE1D35CFF46E5788CB211A8_documentation_en-US">Shop and Service Equipment [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_ShopAndServiceEquipmentMember" xlink:label="loc_htld_ShopAndServiceEquipmentMember_CF6660724BE1D35CFF46E5788CB211A8"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_ShopAndServiceEquipmentMember_CF6660724BE1D35CFF46E5788CB211A8" xlink:from="loc_htld_ShopAndServiceEquipmentMember_CF6660724BE1D35CFF46E5788CB211A8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_RevenueEquipmentMember_6B38C219ED629BAE7453E5788CB2A21E" id="lab_htld_RevenueEquipmentMember_6B38C219ED629BAE7453E5788CB2A21E_terseLabel_en-US">Revenue Equipment [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_RevenueEquipmentMember_6B38C219ED629BAE7453E5788CB2A21E" id="lab_htld_RevenueEquipmentMember_6B38C219ED629BAE7453E5788CB2A21E_label_en-US">Revenue Equipment [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_RevenueEquipmentMember_6B38C219ED629BAE7453E5788CB2A21E" id="lab_htld_RevenueEquipmentMember_6B38C219ED629BAE7453E5788CB2A21E_documentation_en-US">Revenue Equipment [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_RevenueEquipmentMember" xlink:label="loc_htld_RevenueEquipmentMember_6B38C219ED629BAE7453E5788CB2A21E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_RevenueEquipmentMember_6B38C219ED629BAE7453E5788CB2A21E" xlink:from="loc_htld_RevenueEquipmentMember_6B38C219ED629BAE7453E5788CB2A21E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_FinancialStatementLocationAxis_859AE81E9B82DBB22BF7E5788CB22C13" id="lab_htld_FinancialStatementLocationAxis_859AE81E9B82DBB22BF7E5788CB22C13_terseLabel_en-US">Financial Statement Location [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_FinancialStatementLocationAxis_859AE81E9B82DBB22BF7E5788CB22C13" id="lab_htld_FinancialStatementLocationAxis_859AE81E9B82DBB22BF7E5788CB22C13_label_en-US">Financial Statement Location [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_FinancialStatementLocationAxis_859AE81E9B82DBB22BF7E5788CB22C13" id="lab_htld_FinancialStatementLocationAxis_859AE81E9B82DBB22BF7E5788CB22C13_documentation_en-US">Financial Statement Location [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_FinancialStatementLocationAxis" xlink:label="loc_htld_FinancialStatementLocationAxis_859AE81E9B82DBB22BF7E5788CB22C13"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_FinancialStatementLocationAxis_859AE81E9B82DBB22BF7E5788CB22C13" xlink:from="loc_htld_FinancialStatementLocationAxis_859AE81E9B82DBB22BF7E5788CB22C13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_FinancialStatementLocationDomain_2C81DB545AF50C31CE75E5788CB29527" id="lab_htld_FinancialStatementLocationDomain_2C81DB545AF50C31CE75E5788CB29527_terseLabel_en-US">Financial Statement Location [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_FinancialStatementLocationDomain_2C81DB545AF50C31CE75E5788CB29527" id="lab_htld_FinancialStatementLocationDomain_2C81DB545AF50C31CE75E5788CB29527_label_en-US">Financial Statement Location [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_FinancialStatementLocationDomain_2C81DB545AF50C31CE75E5788CB29527" id="lab_htld_FinancialStatementLocationDomain_2C81DB545AF50C31CE75E5788CB29527_documentation_en-US">Financial Statement Location [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_FinancialStatementLocationDomain" xlink:label="loc_htld_FinancialStatementLocationDomain_2C81DB545AF50C31CE75E5788CB29527"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_FinancialStatementLocationDomain_2C81DB545AF50C31CE75E5788CB29527" xlink:from="loc_htld_FinancialStatementLocationDomain_2C81DB545AF50C31CE75E5788CB29527" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_CommunicationsAndUtilitiesExpenseMember_63D22E6351D79E5A8F0BE5788CB22ACD" id="lab_htld_CommunicationsAndUtilitiesExpenseMember_63D22E6351D79E5A8F0BE5788CB22ACD_terseLabel_en-US">Communications and Utilities Expense [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_CommunicationsAndUtilitiesExpenseMember_63D22E6351D79E5A8F0BE5788CB22ACD" id="lab_htld_CommunicationsAndUtilitiesExpenseMember_63D22E6351D79E5A8F0BE5788CB22ACD_label_en-US">Communications and Utilities Expense [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_CommunicationsAndUtilitiesExpenseMember_63D22E6351D79E5A8F0BE5788CB22ACD" id="lab_htld_CommunicationsAndUtilitiesExpenseMember_63D22E6351D79E5A8F0BE5788CB22ACD_documentation_en-US">Communications and Utilities Expense [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_CommunicationsAndUtilitiesExpenseMember" xlink:label="loc_htld_CommunicationsAndUtilitiesExpenseMember_63D22E6351D79E5A8F0BE5788CB22ACD"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_CommunicationsAndUtilitiesExpenseMember_63D22E6351D79E5A8F0BE5788CB22ACD" xlink:from="loc_htld_CommunicationsAndUtilitiesExpenseMember_63D22E6351D79E5A8F0BE5788CB22ACD" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems_35C566F7DAF78C8BB875E5788CB29B56" id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_35C566F7DAF78C8BB875E5788CB29B56_terseLabel_en-US">Property, Plant and Equipment</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems_35C566F7DAF78C8BB875E5788CB29B56" id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_35C566F7DAF78C8BB875E5788CB29B56_label_en-US">Property, Plant and Equipment [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_35C566F7DAF78C8BB875E5788CB29B56"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentLineItems_35C566F7DAF78C8BB875E5788CB29B56" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_35C566F7DAF78C8BB875E5788CB29B56" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_AmortizationPeriodOfTires_6E1EF54B7AD1090CC4A2E5788CB2C298" id="lab_htld_AmortizationPeriodOfTires_6E1EF54B7AD1090CC4A2E5788CB2C298_terseLabel_en-US">Amortization Period of Tires</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_AmortizationPeriodOfTires_6E1EF54B7AD1090CC4A2E5788CB2C298" id="lab_htld_AmortizationPeriodOfTires_6E1EF54B7AD1090CC4A2E5788CB2C298_label_en-US">Amortization Period of Tires</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_AmortizationPeriodOfTires_6E1EF54B7AD1090CC4A2E5788CB2C298" id="lab_htld_AmortizationPeriodOfTires_6E1EF54B7AD1090CC4A2E5788CB2C298_documentation_en-US">Amortization Period of Tires</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_AmortizationPeriodOfTires" xlink:label="loc_htld_AmortizationPeriodOfTires_6E1EF54B7AD1090CC4A2E5788CB2C298"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_AmortizationPeriodOfTires_6E1EF54B7AD1090CC4A2E5788CB2C298" xlink:from="loc_htld_AmortizationPeriodOfTires_6E1EF54B7AD1090CC4A2E5788CB2C298" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_Depreciation_8F40E569D9E80DB0C5B5E5788CB251DA" id="lab_us-gaap_Depreciation_8F40E569D9E80DB0C5B5E5788CB251DA_terseLabel_en-US">Depreciation</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_Depreciation_8F40E569D9E80DB0C5B5E5788CB251DA" id="lab_us-gaap_Depreciation_8F40E569D9E80DB0C5B5E5788CB251DA_label_en-US">Depreciation</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_8F40E569D9E80DB0C5B5E5788CB251DA"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_Depreciation_8F40E569D9E80DB0C5B5E5788CB251DA" xlink:from="loc_us-gaap_Depreciation_8F40E569D9E80DB0C5B5E5788CB251DA" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentSalvageValue_F9F20DBCE0CC92B6C881E5788CB228C2" id="lab_us-gaap_PropertyPlantAndEquipmentSalvageValue_F9F20DBCE0CC92B6C881E5788CB228C2_terseLabel_en-US">Property, Plant, and Equipment, Salvage Value</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentSalvageValue_F9F20DBCE0CC92B6C881E5788CB228C2" id="lab_us-gaap_PropertyPlantAndEquipmentSalvageValue_F9F20DBCE0CC92B6C881E5788CB228C2_label_en-US">Property, Plant, and Equipment, Salvage Value</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentSalvageValue" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentSalvageValue_F9F20DBCE0CC92B6C881E5788CB228C2"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentSalvageValue_F9F20DBCE0CC92B6C881E5788CB228C2" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentSalvageValue_F9F20DBCE0CC92B6C881E5788CB228C2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_F8351A8858D201419C15E5788CB2BBF2" id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_F8351A8858D201419C15E5788CB2BBF2_terseLabel_en-US">Property, Plant and Equipment, Useful Life</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_F8351A8858D201419C15E5788CB2BBF2" id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_F8351A8858D201419C15E5788CB2BBF2_label_en-US">Property, Plant and Equipment, Useful Life</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_F8351A8858D201419C15E5788CB2BBF2"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_F8351A8858D201419C15E5788CB2BBF2" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_F8351A8858D201419C15E5788CB2BBF2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Changeinestimatefinancialimpactnetoftax_3A11456E52B455B4B5ABE5788CB229EC" id="lab_htld_Changeinestimatefinancialimpactnetoftax_3A11456E52B455B4B5ABE5788CB229EC_terseLabel_en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment, Period Increase (Decrease)</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Changeinestimatefinancialimpactnetoftax_3A11456E52B455B4B5ABE5788CB229EC" id="lab_htld_Changeinestimatefinancialimpactnetoftax_3A11456E52B455B4B5ABE5788CB229EC_label_en-US">change in estimate financial impact, net of tax</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Changeinestimatefinancialimpactnetoftax_3A11456E52B455B4B5ABE5788CB229EC" id="lab_htld_Changeinestimatefinancialimpactnetoftax_3A11456E52B455B4B5ABE5788CB229EC_documentation_en-US">change in estimate financial impact, net of tax</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_Changeinestimatefinancialimpactnetoftax" xlink:label="loc_htld_Changeinestimatefinancialimpactnetoftax_3A11456E52B455B4B5ABE5788CB229EC"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_Changeinestimatefinancialimpactnetoftax_3A11456E52B455B4B5ABE5788CB229EC" xlink:from="loc_htld_Changeinestimatefinancialimpactnetoftax_3A11456E52B455B4B5ABE5788CB229EC" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Changeinestimatefinancialimpactpersharenetoftax_134DAEF56CDF6E77D490E5788CB2E494" id="lab_htld_Changeinestimatefinancialimpactpersharenetoftax_134DAEF56CDF6E77D490E5788CB2E494_terseLabel_en-US">change in estimate financial impact, per share, net of tax</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Changeinestimatefinancialimpactpersharenetoftax_134DAEF56CDF6E77D490E5788CB2E494" id="lab_htld_Changeinestimatefinancialimpactpersharenetoftax_134DAEF56CDF6E77D490E5788CB2E494_label_en-US">change in estimate financial impact, per share, net of tax</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Changeinestimatefinancialimpactpersharenetoftax_134DAEF56CDF6E77D490E5788CB2E494" id="lab_htld_Changeinestimatefinancialimpactpersharenetoftax_134DAEF56CDF6E77D490E5788CB2E494_documentation_en-US">change in estimate financial impact, per share, net of tax</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_Changeinestimatefinancialimpactpersharenetoftax" xlink:label="loc_htld_Changeinestimatefinancialimpactpersharenetoftax_134DAEF56CDF6E77D490E5788CB2E494"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_Changeinestimatefinancialimpactpersharenetoftax_134DAEF56CDF6E77D490E5788CB2E494" xlink:from="loc_htld_Changeinestimatefinancialimpactpersharenetoftax_134DAEF56CDF6E77D490E5788CB2E494" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_HeldToMaturitySecurities_B6F4233AE07B657EE417E5788D5AF0B7" id="lab_us-gaap_HeldToMaturitySecurities_B6F4233AE07B657EE417E5788D5AF0B7_terseLabel_en-US">Held-to-maturity Securities</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_HeldToMaturitySecurities_B6F4233AE07B657EE417E5788D5AF0B7" id="lab_us-gaap_HeldToMaturitySecurities_B6F4233AE07B657EE417E5788D5AF0B7_label_en-US">Held-to-maturity Securities</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HeldToMaturitySecurities" xlink:label="loc_us-gaap_HeldToMaturitySecurities_B6F4233AE07B657EE417E5788D5AF0B7"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_HeldToMaturitySecurities_B6F4233AE07B657EE417E5788D5AF0B7" xlink:from="loc_us-gaap_HeldToMaturitySecurities_B6F4233AE07B657EE417E5788D5AF0B7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_25BC8D063702F8AA2A2F6B85B3713E37" id="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_25BC8D063702F8AA2A2F6B85B3713E37_terseLabel_en-US">Schedule of Related Party Transactions, by Related Party [Table]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_25BC8D063702F8AA2A2F6B85B3713E37" id="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_25BC8D063702F8AA2A2F6B85B3713E37_label_en-US">Schedule of Related Party Transactions, by Related Party [Table]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_25BC8D063702F8AA2A2F6B85B3713E37"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_25BC8D063702F8AA2A2F6B85B3713E37" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_25BC8D063702F8AA2A2F6B85B3713E37" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RelatedPartyTransactionLineItems_6455D96CA750FF334B7C6B85B37298FE" id="lab_us-gaap_RelatedPartyTransactionLineItems_6455D96CA750FF334B7C6B85B37298FE_terseLabel_en-US">Related Party Transaction [Line Items]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RelatedPartyTransactionLineItems_6455D96CA750FF334B7C6B85B37298FE" id="lab_us-gaap_RelatedPartyTransactionLineItems_6455D96CA750FF334B7C6B85B37298FE_label_en-US">Related Party Transaction [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_6455D96CA750FF334B7C6B85B37298FE"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RelatedPartyTransactionLineItems_6455D96CA750FF334B7C6B85B37298FE" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_6455D96CA750FF334B7C6B85B37298FE" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DueToRelatedPartiesCurrent_B7B2CFE28E700A5DC5286B85B37298F4" id="lab_us-gaap_DueToRelatedPartiesCurrent_B7B2CFE28E700A5DC5286B85B37298F4_terseLabel_en-US">Due to Related Parties, Current</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DueToRelatedPartiesCurrent_B7B2CFE28E700A5DC5286B85B37298F4" id="lab_us-gaap_DueToRelatedPartiesCurrent_B7B2CFE28E700A5DC5286B85B37298F4_label_en-US">Due to Related Parties, Current</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DueToRelatedPartiesCurrent" xlink:label="loc_us-gaap_DueToRelatedPartiesCurrent_B7B2CFE28E700A5DC5286B85B37298F4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DueToRelatedPartiesCurrent_B7B2CFE28E700A5DC5286B85B37298F4" xlink:from="loc_us-gaap_DueToRelatedPartiesCurrent_B7B2CFE28E700A5DC5286B85B37298F4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PaymentsToAcquireMachineryAndEquipment_750297C8A228E61C07E26B85B3725645" id="lab_us-gaap_PaymentsToAcquireMachineryAndEquipment_750297C8A228E61C07E26B85B3725645_terseLabel_en-US">Payments for tractor purchase</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PaymentsToAcquireMachineryAndEquipment_750297C8A228E61C07E26B85B3725645" id="lab_us-gaap_PaymentsToAcquireMachineryAndEquipment_750297C8A228E61C07E26B85B3725645_label_en-US">Payments to Acquire Machinery and Equipment</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireMachineryAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquireMachineryAndEquipment_750297C8A228E61C07E26B85B3725645"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PaymentsToAcquireMachineryAndEquipment_750297C8A228E61C07E26B85B3725645" xlink:from="loc_us-gaap_PaymentsToAcquireMachineryAndEquipment_750297C8A228E61C07E26B85B3725645" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Proceedsfromsaleoftrailers_9D00FF2526C6DEE1CA556B85B3728237" id="lab_htld_Proceedsfromsaleoftrailers_9D00FF2526C6DEE1CA556B85B3728237_terseLabel_en-US">proceeds from sale of trailers</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Proceedsfromsaleoftrailers_9D00FF2526C6DEE1CA556B85B3728237" id="lab_htld_Proceedsfromsaleoftrailers_9D00FF2526C6DEE1CA556B85B3728237_label_en-US">proceeds from sale of trailers</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Proceedsfromsaleoftrailers_9D00FF2526C6DEE1CA556B85B3728237" id="lab_htld_Proceedsfromsaleoftrailers_9D00FF2526C6DEE1CA556B85B3728237_documentation_en-US">proceeds from sale of trailers</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_Proceedsfromsaleoftrailers" xlink:label="loc_htld_Proceedsfromsaleoftrailers_9D00FF2526C6DEE1CA556B85B3728237"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_Proceedsfromsaleoftrailers_9D00FF2526C6DEE1CA556B85B3728237" xlink:from="loc_htld_Proceedsfromsaleoftrailers_9D00FF2526C6DEE1CA556B85B3728237" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Proceedsfromsaleoftractors_58609F8661CEC2877BB96B85B3721F99" id="lab_htld_Proceedsfromsaleoftractors_58609F8661CEC2877BB96B85B3721F99_terseLabel_en-US">proceeds from sale of tractors</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Proceedsfromsaleoftractors_58609F8661CEC2877BB96B85B3721F99" id="lab_htld_Proceedsfromsaleoftractors_58609F8661CEC2877BB96B85B3721F99_label_en-US">proceeds from sale of tractors</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Proceedsfromsaleoftractors_58609F8661CEC2877BB96B85B3721F99" id="lab_htld_Proceedsfromsaleoftractors_58609F8661CEC2877BB96B85B3721F99_documentation_en-US">proceeds from sale of tractors</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_Proceedsfromsaleoftractors" xlink:label="loc_htld_Proceedsfromsaleoftractors_58609F8661CEC2877BB96B85B3721F99"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_Proceedsfromsaleoftractors_58609F8661CEC2877BB96B85B3721F99" xlink:from="loc_htld_Proceedsfromsaleoftractors_58609F8661CEC2877BB96B85B3721F99" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Paymentsforpartsandservices_D1611DB0991072381F1B6B85B372B3D8" id="lab_htld_Paymentsforpartsandservices_D1611DB0991072381F1B6B85B372B3D8_terseLabel_en-US">Payments for parts and services</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Paymentsforpartsandservices_D1611DB0991072381F1B6B85B372B3D8" id="lab_htld_Paymentsforpartsandservices_D1611DB0991072381F1B6B85B372B3D8_label_en-US">Payments for parts and services</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Paymentsforpartsandservices_D1611DB0991072381F1B6B85B372B3D8" id="lab_htld_Paymentsforpartsandservices_D1611DB0991072381F1B6B85B372B3D8_documentation_en-US">Payments for parts and services</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_Paymentsforpartsandservices" xlink:label="loc_htld_Paymentsforpartsandservices_D1611DB0991072381F1B6B85B372B3D8"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_Paymentsforpartsandservices_D1611DB0991072381F1B6B85B372B3D8" xlink:from="loc_htld_Paymentsforpartsandservices_D1611DB0991072381F1B6B85B372B3D8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_481D89027CF0618FE2986B85B3720900" id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_481D89027CF0618FE2986B85B3720900_terseLabel_en-US">Payments to Acquire Property, Plant, and Equipment</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_481D89027CF0618FE2986B85B3720900" id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_481D89027CF0618FE2986B85B3720900_label_en-US">Payments to Acquire Property, Plant, and Equipment</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_481D89027CF0618FE2986B85B3720900"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_481D89027CF0618FE2986B85B3720900" xlink:from="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_481D89027CF0618FE2986B85B3720900" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AdministrativeServicesRevenue_D6FDD896EE07353898FD6B85B373B8B0" id="lab_us-gaap_AdministrativeServicesRevenue_D6FDD896EE07353898FD6B85B373B8B0_negatedTerseLabel_en-US">Administrative Services Revenue</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AdministrativeServicesRevenue_D6FDD896EE07353898FD6B85B373B8B0" id="lab_us-gaap_AdministrativeServicesRevenue_D6FDD896EE07353898FD6B85B373B8B0_label_en-US">Administrative Services Revenue</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdministrativeServicesRevenue" xlink:label="loc_us-gaap_AdministrativeServicesRevenue_D6FDD896EE07353898FD6B85B373B8B0"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AdministrativeServicesRevenue_D6FDD896EE07353898FD6B85B373B8B0" xlink:from="loc_us-gaap_AdministrativeServicesRevenue_D6FDD896EE07353898FD6B85B373B8B0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_593B3A10AB99E09805047B9E61274D0C" id="lab_us-gaap_StatementOfCashFlowsAbstract_593B3A10AB99E09805047B9E61274D0C_label_en-US">Statement of Cash Flows [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_593B3A10AB99E09805047B9E61274D0C"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract_593B3A10AB99E09805047B9E61274D0C" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_593B3A10AB99E09805047B9E61274D0C" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_4A7160511DD5F1E17D367B9E61274E47" id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_4A7160511DD5F1E17D367B9E61274E47_terseLabel_en-US">OPERATING ACTIVITIES</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_4A7160511DD5F1E17D367B9E61274E47" id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_4A7160511DD5F1E17D367B9E61274E47_label_en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_4A7160511DD5F1E17D367B9E61274E47"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_4A7160511DD5F1E17D367B9E61274E47" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_4A7160511DD5F1E17D367B9E61274E47" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D1B3F88A7071461F43247B9E612773D4" id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D1B3F88A7071461F43247B9E612773D4_terseLabel_en-US">Adjustments to reconcile net income to net cash provided by operating activities:</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D1B3F88A7071461F43247B9E612773D4" id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D1B3F88A7071461F43247B9E612773D4_label_en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D1B3F88A7071461F43247B9E612773D4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D1B3F88A7071461F43247B9E612773D4" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D1B3F88A7071461F43247B9E612773D4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_CA5D23A2C1C1F7E09E027B9E612725E2" id="lab_us-gaap_DepreciationDepletionAndAmortization_CA5D23A2C1C1F7E09E027B9E612725E2_terseLabel_en-US">Depreciation and amortization</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_CA5D23A2C1C1F7E09E027B9E612725E2" id="lab_us-gaap_DepreciationDepletionAndAmortization_CA5D23A2C1C1F7E09E027B9E612725E2_label_en-US">Depreciation, Depletion and Amortization</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_CA5D23A2C1C1F7E09E027B9E612725E2"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DepreciationDepletionAndAmortization_CA5D23A2C1C1F7E09E027B9E612725E2" xlink:from="loc_us-gaap_DepreciationDepletionAndAmortization_CA5D23A2C1C1F7E09E027B9E612725E2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_10F2C4FAFED7BF0C5CC87B9E6127D177" id="lab_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_10F2C4FAFED7BF0C5CC87B9E6127D177_negatedLabel_en-US">Deferred income taxes</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_10F2C4FAFED7BF0C5CC87B9E6127D177" id="lab_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_10F2C4FAFED7BF0C5CC87B9E6127D177_label_en-US">Increase (Decrease) in Deferred Income Taxes</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_10F2C4FAFED7BF0C5CC87B9E6127D177"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_10F2C4FAFED7BF0C5CC87B9E6127D177" xlink:from="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_10F2C4FAFED7BF0C5CC87B9E6127D177" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LossOnSaleOfInvestments_6B1788856B95E41B35CD7B9E6127A8DA" id="lab_us-gaap_LossOnSaleOfInvestments_6B1788856B95E41B35CD7B9E6127A8DA_terseLabel_en-US">Loss on sale of investments</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LossOnSaleOfInvestments_6B1788856B95E41B35CD7B9E6127A8DA" id="lab_us-gaap_LossOnSaleOfInvestments_6B1788856B95E41B35CD7B9E6127A8DA_label_en-US">Loss on Sale of Investments</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossOnSaleOfInvestments" xlink:label="loc_us-gaap_LossOnSaleOfInvestments_6B1788856B95E41B35CD7B9E6127A8DA"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LossOnSaleOfInvestments_6B1788856B95E41B35CD7B9E6127A8DA" xlink:from="loc_us-gaap_LossOnSaleOfInvestments_6B1788856B95E41B35CD7B9E6127A8DA" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_1EAC21C33C38260EE5367B9E61376ACC" id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_1EAC21C33C38260EE5367B9E61376ACC_terseLabel_en-US">Changes in certain working capital items:</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_1EAC21C33C38260EE5367B9E61376ACC" id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_1EAC21C33C38260EE5367B9E61376ACC_label_en-US">Increase (Decrease) in Operating Capital [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_1EAC21C33C38260EE5367B9E61376ACC"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_1EAC21C33C38260EE5367B9E61376ACC" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_1EAC21C33C38260EE5367B9E61376ACC" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncreaseDecreaseInReceivables_DA1EC6B4763765EF9AC97B9E61376B67" id="lab_us-gaap_IncreaseDecreaseInReceivables_DA1EC6B4763765EF9AC97B9E61376B67_negatedLabel_en-US">Trade receivables</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncreaseDecreaseInReceivables_DA1EC6B4763765EF9AC97B9E61376B67" id="lab_us-gaap_IncreaseDecreaseInReceivables_DA1EC6B4763765EF9AC97B9E61376B67_label_en-US">Increase (Decrease) in Receivables</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_DA1EC6B4763765EF9AC97B9E61376B67"/>

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<link:label xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_7718C997E4DE0F6520727B9E61376C63" id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_7718C997E4DE0F6520727B9E61376C63_negatedLabel_en-US">Prepaid expenses and other current assets</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_7718C997E4DE0F6520727B9E61376C63" id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_7718C997E4DE0F6520727B9E61376C63_label_en-US">Increase (Decrease) in Prepaid Expense and Other Assets</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_7718C997E4DE0F6520727B9E61376C63"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_7718C997E4DE0F6520727B9E61376C63" xlink:from="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_7718C997E4DE0F6520727B9E61376C63" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_562837B5B4D1CAE0F5AC7B9E6137129E" id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_562837B5B4D1CAE0F5AC7B9E6137129E_terseLabel_en-US">Accounts payable, accrued liabilities, and accrued expenses</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_562837B5B4D1CAE0F5AC7B9E6137129E" id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_562837B5B4D1CAE0F5AC7B9E6137129E_label_en-US">Increase (Decrease) in Accounts Payable and Accrued Liabilities</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_562837B5B4D1CAE0F5AC7B9E6137129E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_562837B5B4D1CAE0F5AC7B9E6137129E" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_562837B5B4D1CAE0F5AC7B9E6137129E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_142202C7CEAFC52D4A017B9E61374A7C" id="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_142202C7CEAFC52D4A017B9E61374A7C_terseLabel_en-US">Accrued income taxes</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_142202C7CEAFC52D4A017B9E61374A7C" id="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_142202C7CEAFC52D4A017B9E61374A7C_label_en-US">Increase (Decrease) in Income Taxes Payable</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_142202C7CEAFC52D4A017B9E61374A7C"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_142202C7CEAFC52D4A017B9E61374A7C" xlink:from="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_142202C7CEAFC52D4A017B9E61374A7C" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_4DD78949B530960031217B9E613710EB" id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_4DD78949B530960031217B9E613710EB_totalLabel_en-US">Net cash provided by operating activities</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_4DD78949B530960031217B9E613710EB" id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_4DD78949B530960031217B9E613710EB_label_en-US">Net Cash Provided by (Used in) Operating Activities</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_4DD78949B530960031217B9E613710EB"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_4DD78949B530960031217B9E613710EB" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_4DD78949B530960031217B9E613710EB" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2C832DECF692794FF9497B9E613766AB" id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2C832DECF692794FF9497B9E613766AB_terseLabel_en-US">INVESTING ACTIVITIES</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2C832DECF692794FF9497B9E613766AB" id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2C832DECF692794FF9497B9E613766AB_label_en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2C832DECF692794FF9497B9E613766AB"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2C832DECF692794FF9497B9E613766AB" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2C832DECF692794FF9497B9E613766AB" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_C7D3D3204D42B6F45C627B9E61379BBA" id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_C7D3D3204D42B6F45C627B9E61379BBA_terseLabel_en-US">Proceeds from sale of property and equipment</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_C7D3D3204D42B6F45C627B9E61379BBA" id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_C7D3D3204D42B6F45C627B9E61379BBA_label_en-US">Proceeds from Sale of Property, Plant, and Equipment</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_C7D3D3204D42B6F45C627B9E61379BBA"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_C7D3D3204D42B6F45C627B9E61379BBA" xlink:from="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_C7D3D3204D42B6F45C627B9E61379BBA" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_75E1997384CAABE5B84C7B9E61373162" id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_75E1997384CAABE5B84C7B9E61373162_negatedLabel_en-US">Purchases of property and equipment, net of trades</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_75E1997384CAABE5B84C7B9E61373162"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_75E1997384CAABE5B84C7B9E61373162" xlink:from="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_75E1997384CAABE5B84C7B9E61373162" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PaymentsForProceedsFromDelayedTaxExemptExchange_650DDD291F32256DA95A7B9E6137981B" id="lab_us-gaap_PaymentsForProceedsFromDelayedTaxExemptExchange_650DDD291F32256DA95A7B9E6137981B_negatedTerseLabel_en-US">Payments for (Proceeds from) Delayed Tax Exempt Exchange</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PaymentsForProceedsFromDelayedTaxExemptExchange_650DDD291F32256DA95A7B9E6137981B" id="lab_us-gaap_PaymentsForProceedsFromDelayedTaxExemptExchange_650DDD291F32256DA95A7B9E6137981B_label_en-US">Payments for (Proceeds from) Delayed Tax Exempt Exchange</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsForProceedsFromDelayedTaxExemptExchange" xlink:label="loc_us-gaap_PaymentsForProceedsFromDelayedTaxExemptExchange_650DDD291F32256DA95A7B9E6137981B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PaymentsForProceedsFromDelayedTaxExemptExchange_650DDD291F32256DA95A7B9E6137981B" xlink:from="loc_us-gaap_PaymentsForProceedsFromDelayedTaxExemptExchange_650DDD291F32256DA95A7B9E6137981B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments_9EAB90E04F56986F4C347B9E6137C22F" id="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments_9EAB90E04F56986F4C347B9E6137C22F_terseLabel_en-US">Maturity, calls and sales of investments</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments_9EAB90E04F56986F4C347B9E6137C22F" id="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments_9EAB90E04F56986F4C347B9E6137C22F_label_en-US">Proceeds from Maturities, Prepayments and Calls of Other Investments</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments_9EAB90E04F56986F4C347B9E6137C22F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments_9EAB90E04F56986F4C347B9E6137C22F" xlink:from="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments_9EAB90E04F56986F4C347B9E6137C22F" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_31C7BA9788D2DC3A64CF7B9E6137FD8C" id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_31C7BA9788D2DC3A64CF7B9E6137FD8C_negatedLabel_en-US">Acquisition of business, net of cash acquired</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_31C7BA9788D2DC3A64CF7B9E6137FD8C" id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_31C7BA9788D2DC3A64CF7B9E6137FD8C_label_en-US">Payments to Acquire Businesses, Net of Cash Acquired</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_31C7BA9788D2DC3A64CF7B9E6137FD8C"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_31C7BA9788D2DC3A64CF7B9E6137FD8C" xlink:from="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_31C7BA9788D2DC3A64CF7B9E6137FD8C" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_01E5C82ECD5E2ACDF7267B9E6137E16D" id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_01E5C82ECD5E2ACDF7267B9E6137E16D_negatedLabel_en-US">Change in other assets</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_01E5C82ECD5E2ACDF7267B9E6137E16D" id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_01E5C82ECD5E2ACDF7267B9E6137E16D_label_en-US">Payments for (Proceeds from) Other Investing Activities</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_01E5C82ECD5E2ACDF7267B9E6137E16D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_01E5C82ECD5E2ACDF7267B9E6137E16D" xlink:from="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_01E5C82ECD5E2ACDF7267B9E6137E16D" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1C88515F797F57637F317B9E61375DC9" id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1C88515F797F57637F317B9E61375DC9_totalLabel_en-US">Net cash (used in) provided by investing activities</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1C88515F797F57637F317B9E61375DC9" id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1C88515F797F57637F317B9E61375DC9_label_en-US">Net Cash Provided by (Used in) Investing Activities</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1C88515F797F57637F317B9E61375DC9"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1C88515F797F57637F317B9E61375DC9" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1C88515F797F57637F317B9E61375DC9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_059327C2E839E33C3E337B9E6137969C" id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_059327C2E839E33C3E337B9E6137969C_terseLabel_en-US">FINANCING ACTIVITIES</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_059327C2E839E33C3E337B9E6137969C" id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_059327C2E839E33C3E337B9E6137969C_label_en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_059327C2E839E33C3E337B9E6137969C"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_059327C2E839E33C3E337B9E6137969C" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_059327C2E839E33C3E337B9E6137969C" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock_0C8B9F44EF107F9025107B9E6137EB92" id="lab_us-gaap_PaymentsOfDividendsCommonStock_0C8B9F44EF107F9025107B9E6137EB92_negatedTerseLabel_en-US">Cash dividends paid</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock_0C8B9F44EF107F9025107B9E6137EB92" id="lab_us-gaap_PaymentsOfDividendsCommonStock_0C8B9F44EF107F9025107B9E6137EB92_label_en-US">Payments of Ordinary Dividends, Common Stock</link:label>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ProceedsFromLinesOfCredit_6AD03A44A54437B648D57B9E61372778" id="lab_us-gaap_ProceedsFromLinesOfCredit_6AD03A44A54437B648D57B9E61372778_terseLabel_en-US">Proceeds from Lines of Credit</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ProceedsFromLinesOfCredit_6AD03A44A54437B648D57B9E61372778" id="lab_us-gaap_ProceedsFromLinesOfCredit_6AD03A44A54437B648D57B9E61372778_label_en-US">Proceeds from Lines of Credit</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_6AD03A44A54437B648D57B9E61372778"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ProceedsFromLinesOfCredit_6AD03A44A54437B648D57B9E61372778" xlink:from="loc_us-gaap_ProceedsFromLinesOfCredit_6AD03A44A54437B648D57B9E61372778" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RepaymentsOfLinesOfCredit_96429582B4A1C1F303C47B9E61374929" id="lab_us-gaap_RepaymentsOfLinesOfCredit_96429582B4A1C1F303C47B9E61374929_negatedTerseLabel_en-US">Repayments of Lines of Credit</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RepaymentsOfLinesOfCredit_96429582B4A1C1F303C47B9E61374929" id="lab_us-gaap_RepaymentsOfLinesOfCredit_96429582B4A1C1F303C47B9E61374929_label_en-US">Repayments of Lines of Credit</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_96429582B4A1C1F303C47B9E61374929"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RepaymentsOfLinesOfCredit_96429582B4A1C1F303C47B9E61374929" xlink:from="loc_us-gaap_RepaymentsOfLinesOfCredit_96429582B4A1C1F303C47B9E61374929" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_B562FD2B8B0A2992EB4C7B9E61373769" id="lab_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_B562FD2B8B0A2992EB4C7B9E61373769_terseLabel_en-US">Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_B562FD2B8B0A2992EB4C7B9E61373769" id="lab_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_B562FD2B8B0A2992EB4C7B9E61373769_label_en-US">Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_B562FD2B8B0A2992EB4C7B9E61373769"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_B562FD2B8B0A2992EB4C7B9E61373769" xlink:from="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_B562FD2B8B0A2992EB4C7B9E61373769" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt_70A2C133F63DD073DDA37B9E61375E08" id="lab_us-gaap_RepaymentsOfLongTermDebt_70A2C133F63DD073DDA37B9E61375E08_negatedTerseLabel_en-US">Repayments on debt assumed</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt_70A2C133F63DD073DDA37B9E61375E08" id="lab_us-gaap_RepaymentsOfLongTermDebt_70A2C133F63DD073DDA37B9E61375E08_label_en-US">Repayments of Long-term Debt</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_70A2C133F63DD073DDA37B9E61375E08"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RepaymentsOfLongTermDebt_70A2C133F63DD073DDA37B9E61375E08" xlink:from="loc_us-gaap_RepaymentsOfLongTermDebt_70A2C133F63DD073DDA37B9E61375E08" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_5CBEA0D1A5ED5B080B3C7B9E61376388" id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_5CBEA0D1A5ED5B080B3C7B9E61376388_negatedTerseLabel_en-US">Repurchases of common stock</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_5CBEA0D1A5ED5B080B3C7B9E61376388"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_5CBEA0D1A5ED5B080B3C7B9E61376388" xlink:from="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_5CBEA0D1A5ED5B080B3C7B9E61376388" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_937D37C58E1007625C9D7B9E61370D89" id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_937D37C58E1007625C9D7B9E61370D89_totalLabel_en-US">Net cash used in financing activities</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_937D37C58E1007625C9D7B9E61370D89" id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_937D37C58E1007625C9D7B9E61370D89_label_en-US">Net Cash Provided by (Used in) Financing Activities</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_937D37C58E1007625C9D7B9E61370D89"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_937D37C58E1007625C9D7B9E61370D89" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_937D37C58E1007625C9D7B9E61370D89" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_62CBC6626599E1AD555B7B9E61376B43" id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_62CBC6626599E1AD555B7B9E61376B43_totalLabel_en-US">Net (decrease) increase in cash and cash equivalents</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_62CBC6626599E1AD555B7B9E61376B43" id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_62CBC6626599E1AD555B7B9E61376B43_label_en-US">Cash and Cash Equivalents, Period Increase (Decrease)</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_62CBC6626599E1AD555B7B9E61376B43"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_62CBC6626599E1AD555B7B9E61376B43" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_62CBC6626599E1AD555B7B9E61376B43" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_E0E29664E392E816E5987B9E613796EF" id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_E0E29664E392E816E5987B9E613796EF_terseLabel_en-US">CASH AND CASH EQUIVALENTS</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_E0E29664E392E816E5987B9E613796EF" id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_E0E29664E392E816E5987B9E613796EF_label_en-US">Cash and Cash Equivalents, Period Increase (Decrease) [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_E0E29664E392E816E5987B9E613796EF"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_E0E29664E392E816E5987B9E613796EF" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_E0E29664E392E816E5987B9E613796EF" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_22401D66F4372893A38D7B9E61375323" id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_22401D66F4372893A38D7B9E61375323_periodStartLabel_en-US">Beginning of period</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_22401D66F4372893A38D7B9E61375323"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_22401D66F4372893A38D7B9E61375323" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_22401D66F4372893A38D7B9E61375323" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_4249672A08BB9D8163A67B9E6137B5F3" id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_4249672A08BB9D8163A67B9E6137B5F3_periodEndLabel_en-US">End of period</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_4249672A08BB9D8163A67B9E6137B5F3"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_4249672A08BB9D8163A67B9E6137B5F3" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_4249672A08BB9D8163A67B9E6137B5F3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_E2257E5C0BA2C611F7B67B9E6137DA21" id="lab_us-gaap_SupplementalCashFlowInformationAbstract_E2257E5C0BA2C611F7B67B9E6137DA21_terseLabel_en-US">SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_E2257E5C0BA2C611F7B67B9E6137DA21" id="lab_us-gaap_SupplementalCashFlowInformationAbstract_E2257E5C0BA2C611F7B67B9E6137DA21_label_en-US">Supplemental Cash Flow Information [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_E2257E5C0BA2C611F7B67B9E6137DA21"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SupplementalCashFlowInformationAbstract_E2257E5C0BA2C611F7B67B9E6137DA21" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_E2257E5C0BA2C611F7B67B9E6137DA21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_InterestPaid_1C34430D714C36C3907D7B9E6137C8EB" id="lab_us-gaap_InterestPaid_1C34430D714C36C3907D7B9E6137C8EB_terseLabel_en-US">Interest paid</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_InterestPaid_1C34430D714C36C3907D7B9E6137C8EB" id="lab_us-gaap_InterestPaid_1C34430D714C36C3907D7B9E6137C8EB_label_en-US">Interest Paid</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_1C34430D714C36C3907D7B9E6137C8EB"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_InterestPaid_1C34430D714C36C3907D7B9E6137C8EB" xlink:from="loc_us-gaap_InterestPaid_1C34430D714C36C3907D7B9E6137C8EB" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_B1664B42CF140966CF4A7B9E61372F4E" id="lab_us-gaap_IncomeTaxesPaidNet_B1664B42CF140966CF4A7B9E61372F4E_terseLabel_en-US">Cash paid during the period for income taxes, net of refunds</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_B1664B42CF140966CF4A7B9E61372F4E" id="lab_us-gaap_IncomeTaxesPaidNet_B1664B42CF140966CF4A7B9E61372F4E_label_en-US">Income Taxes Paid, Net</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_B1664B42CF140966CF4A7B9E61372F4E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeTaxesPaidNet_B1664B42CF140966CF4A7B9E61372F4E" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_B1664B42CF140966CF4A7B9E61372F4E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_57B784A3708B2CF87E6C7B9E613753BC" id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_57B784A3708B2CF87E6C7B9E613753BC_verboseLabel_en-US">Noncash investing and financing activities:</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_57B784A3708B2CF87E6C7B9E613753BC" id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_57B784A3708B2CF87E6C7B9E613753BC_label_en-US">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_57B784A3708B2CF87E6C7B9E613753BC"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_57B784A3708B2CF87E6C7B9E613753BC" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_57B784A3708B2CF87E6C7B9E613753BC" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_FairValueOfRevenueEquipmentTraded_C5BF3477AEC8ADD3A9937B9E61376E4E" id="lab_htld_FairValueOfRevenueEquipmentTraded_C5BF3477AEC8ADD3A9937B9E61376E4E_terseLabel_en-US">Fair value of revenue equipment traded</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_FairValueOfRevenueEquipmentTraded_C5BF3477AEC8ADD3A9937B9E61376E4E" id="lab_htld_FairValueOfRevenueEquipmentTraded_C5BF3477AEC8ADD3A9937B9E61376E4E_label_en-US">Fair value of revenue equipment traded</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_FairValueOfRevenueEquipmentTraded_C5BF3477AEC8ADD3A9937B9E61376E4E" id="lab_htld_FairValueOfRevenueEquipmentTraded_C5BF3477AEC8ADD3A9937B9E61376E4E_documentation_en-US">Fair value of revenue equipment traded</link:label>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_FB4B23C68EA48B2CDE147B9E613734B4" id="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_FB4B23C68EA48B2CDE147B9E613734B4_terseLabel_en-US">Purchased property and equipment in accounts payable</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_FB4B23C68EA48B2CDE147B9E613734B4" id="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_FB4B23C68EA48B2CDE147B9E613734B4_label_en-US">Capital Expenditures Incurred but Not yet Paid</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_FB4B23C68EA48B2CDE147B9E613734B4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_FB4B23C68EA48B2CDE147B9E613734B4" xlink:from="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_FB4B23C68EA48B2CDE147B9E613734B4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Soldrevenueequipmentinothercurrentassets_F4C2053A3E09A411B26E7B9E61E02468" id="lab_htld_Soldrevenueequipmentinothercurrentassets_F4C2053A3E09A411B26E7B9E61E02468_terseLabel_en-US">Sold revenue equipment in other current assets</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Soldrevenueequipmentinothercurrentassets_F4C2053A3E09A411B26E7B9E61E02468" id="lab_htld_Soldrevenueequipmentinothercurrentassets_F4C2053A3E09A411B26E7B9E61E02468_label_en-US">Sold revenue equipment in other current assets</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Soldrevenueequipmentinothercurrentassets_F4C2053A3E09A411B26E7B9E61E02468" id="lab_htld_Soldrevenueequipmentinothercurrentassets_F4C2053A3E09A411B26E7B9E61E02468_documentation_en-US">Sold revenue equipment in other current assets</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_Soldrevenueequipmentinothercurrentassets" xlink:label="loc_htld_Soldrevenueequipmentinothercurrentassets_F4C2053A3E09A411B26E7B9E61E02468"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_Soldrevenueequipmentinothercurrentassets_F4C2053A3E09A411B26E7B9E61E02468" xlink:from="loc_htld_Soldrevenueequipmentinothercurrentassets_F4C2053A3E09A411B26E7B9E61E02468" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_586DEB6BC0A01CD6740CE5788CB3B27A" id="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_586DEB6BC0A01CD6740CE5788CB3B27A_terseLabel_en-US">Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_586DEB6BC0A01CD6740CE5788CB3B27A" id="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_586DEB6BC0A01CD6740CE5788CB3B27A_label_en-US">Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" xlink:label="loc_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_586DEB6BC0A01CD6740CE5788CB3B27A"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_586DEB6BC0A01CD6740CE5788CB3B27A" xlink:from="loc_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_586DEB6BC0A01CD6740CE5788CB3B27A" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_5B4D5C76D4C837C4172351A5D02A4E49" id="lab_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_5B4D5C76D4C837C4172351A5D02A4E49_label_en-US">Consolidated Balance Sheets Parentheticals [Abstract]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_5B4D5C76D4C837C4172351A5D02A4E49" id="lab_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_5B4D5C76D4C837C4172351A5D02A4E49_documentation_en-US">Consolidated Balance Sheets Parentheticals [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_ConsolidatedBalanceSheetsParentheticalsAbstract" xlink:label="loc_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_5B4D5C76D4C837C4172351A5D02A4E49"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_5B4D5C76D4C837C4172351A5D02A4E49" xlink:from="loc_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_5B4D5C76D4C837C4172351A5D02A4E49" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_2BFAF9A3BFDFE678F16B51A5D02A7E1E" id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_2BFAF9A3BFDFE678F16B51A5D02A7E1E_terseLabel_en-US">Preferred Stock, Par or Stated Value Per Share</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_2BFAF9A3BFDFE678F16B51A5D02A7E1E" id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_2BFAF9A3BFDFE678F16B51A5D02A7E1E_label_en-US">Preferred Stock, Par or Stated Value Per Share</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_2BFAF9A3BFDFE678F16B51A5D02A7E1E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PreferredStockParOrStatedValuePerShare_2BFAF9A3BFDFE678F16B51A5D02A7E1E" xlink:from="loc_us-gaap_PreferredStockParOrStatedValuePerShare_2BFAF9A3BFDFE678F16B51A5D02A7E1E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_215D6EB3BF6B66B9631D51A5D02A9E77" id="lab_us-gaap_PreferredStockSharesAuthorized_215D6EB3BF6B66B9631D51A5D02A9E77_terseLabel_en-US">Preferred Stock, Shares Authorized</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_215D6EB3BF6B66B9631D51A5D02A9E77" id="lab_us-gaap_PreferredStockSharesAuthorized_215D6EB3BF6B66B9631D51A5D02A9E77_label_en-US">Preferred Stock, Shares Authorized</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_215D6EB3BF6B66B9631D51A5D02A9E77"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PreferredStockSharesAuthorized_215D6EB3BF6B66B9631D51A5D02A9E77" xlink:from="loc_us-gaap_PreferredStockSharesAuthorized_215D6EB3BF6B66B9631D51A5D02A9E77" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PreferredStockSharesIssued_3049DF8CD3CD08F4D55751A5D02A61CA" id="lab_us-gaap_PreferredStockSharesIssued_3049DF8CD3CD08F4D55751A5D02A61CA_terseLabel_en-US">Preferred Stock, Shares Issued</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_PreferredStockSharesIssued_3049DF8CD3CD08F4D55751A5D02A61CA" id="lab_us-gaap_PreferredStockSharesIssued_3049DF8CD3CD08F4D55751A5D02A61CA_label_en-US">Preferred Stock, Shares Issued</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_3049DF8CD3CD08F4D55751A5D02A61CA"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PreferredStockSharesIssued_3049DF8CD3CD08F4D55751A5D02A61CA" xlink:from="loc_us-gaap_PreferredStockSharesIssued_3049DF8CD3CD08F4D55751A5D02A61CA" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_BE673776B4E3041C30E751A5D02AB5FA" id="lab_us-gaap_CommonStockParOrStatedValuePerShare_BE673776B4E3041C30E751A5D02AB5FA_terseLabel_en-US">Common Stock, Par or Stated Value Per Share</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_BE673776B4E3041C30E751A5D02AB5FA" id="lab_us-gaap_CommonStockParOrStatedValuePerShare_BE673776B4E3041C30E751A5D02AB5FA_label_en-US">Common Stock, Par or Stated Value Per Share</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_BE673776B4E3041C30E751A5D02AB5FA"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommonStockParOrStatedValuePerShare_BE673776B4E3041C30E751A5D02AB5FA" xlink:from="loc_us-gaap_CommonStockParOrStatedValuePerShare_BE673776B4E3041C30E751A5D02AB5FA" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_0B0F5AE83C1342DA5EF551A5D02BC118" id="lab_us-gaap_CommonStockSharesAuthorized_0B0F5AE83C1342DA5EF551A5D02BC118_terseLabel_en-US">Common Stock, Shares Authorized</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_0B0F5AE83C1342DA5EF551A5D02BC118" id="lab_us-gaap_CommonStockSharesAuthorized_0B0F5AE83C1342DA5EF551A5D02BC118_label_en-US">Common Stock, Shares Authorized</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_0B0F5AE83C1342DA5EF551A5D02BC118"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommonStockSharesAuthorized_0B0F5AE83C1342DA5EF551A5D02BC118" xlink:from="loc_us-gaap_CommonStockSharesAuthorized_0B0F5AE83C1342DA5EF551A5D02BC118" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommonStockSharesIssued_D61C33985732297072E351A5D02B40DB" id="lab_us-gaap_CommonStockSharesIssued_D61C33985732297072E351A5D02B40DB_terseLabel_en-US">Common Stock, Shares, Issued</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommonStockSharesIssued_D61C33985732297072E351A5D02B40DB" id="lab_us-gaap_CommonStockSharesIssued_D61C33985732297072E351A5D02B40DB_label_en-US">Common Stock, Shares, Issued</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_D61C33985732297072E351A5D02B40DB"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommonStockSharesIssued_D61C33985732297072E351A5D02B40DB" xlink:from="loc_us-gaap_CommonStockSharesIssued_D61C33985732297072E351A5D02B40DB" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_BD0FBF6BD768A20FBE3151A5D02B2140" id="lab_us-gaap_CommonStockSharesOutstanding_BD0FBF6BD768A20FBE3151A5D02B2140_terseLabel_en-US">Common Stock, Shares, Outstanding</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_BD0FBF6BD768A20FBE3151A5D02B2140" id="lab_us-gaap_CommonStockSharesOutstanding_BD0FBF6BD768A20FBE3151A5D02B2140_label_en-US">Common Stock, Shares, Outstanding</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_BD0FBF6BD768A20FBE3151A5D02B2140"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommonStockSharesOutstanding_BD0FBF6BD768A20FBE3151A5D02B2140" xlink:from="loc_us-gaap_CommonStockSharesOutstanding_BD0FBF6BD768A20FBE3151A5D02B2140" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_TreasuryStockShares_88FCC1523BC14B30D91451A5D02B4515" id="lab_us-gaap_TreasuryStockShares_88FCC1523BC14B30D91451A5D02B4515_terseLabel_en-US">Treasury Stock, Shares</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_TreasuryStockShares_88FCC1523BC14B30D91451A5D02B4515" id="lab_us-gaap_TreasuryStockShares_88FCC1523BC14B30D91451A5D02B4515_label_en-US">Treasury Stock, Shares</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_us-gaap_TreasuryStockShares_88FCC1523BC14B30D91451A5D02B4515"/>

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<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DefinedContributionPlanCostRecognized_1747BA6BD2C52409E1FD6BAF168929BD" id="lab_us-gaap_DefinedContributionPlanCostRecognized_1747BA6BD2C52409E1FD6BAF168929BD_terseLabel_en-US">Defined Contribution Plan, Cost Recognized</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_DefinedContributionPlanCostRecognized_1747BA6BD2C52409E1FD6BAF168929BD" id="lab_us-gaap_DefinedContributionPlanCostRecognized_1747BA6BD2C52409E1FD6BAF168929BD_label_en-US">Defined Contribution Plan, Cost Recognized</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedContributionPlanCostRecognized" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized_1747BA6BD2C52409E1FD6BAF168929BD"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DefinedContributionPlanCostRecognized_1747BA6BD2C52409E1FD6BAF168929BD" xlink:from="loc_us-gaap_DefinedContributionPlanCostRecognized_1747BA6BD2C52409E1FD6BAF168929BD" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_SelfInsuranceReservesTable_D48DADB34DC33602FE487AB000F07C81" id="lab_htld_SelfInsuranceReservesTable_D48DADB34DC33602FE487AB000F07C81_terseLabel_en-US">Self Insurance Reserves [Table]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_SelfInsuranceReservesTable_D48DADB34DC33602FE487AB000F07C81" id="lab_htld_SelfInsuranceReservesTable_D48DADB34DC33602FE487AB000F07C81_label_en-US">Self Insurance Reserves [Table]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_SelfInsuranceReservesTable_D48DADB34DC33602FE487AB000F07C81" id="lab_htld_SelfInsuranceReservesTable_D48DADB34DC33602FE487AB000F07C81_documentation_en-US">Self Insurance Reserves [Table]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_SelfInsuranceReservesTable" xlink:label="loc_htld_SelfInsuranceReservesTable_D48DADB34DC33602FE487AB000F07C81"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_SelfInsuranceReservesTable_D48DADB34DC33602FE487AB000F07C81" xlink:from="loc_htld_SelfInsuranceReservesTable_D48DADB34DC33602FE487AB000F07C81" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_SelfInsuranceAxis_FC1754FD086D8D3985927AB000F06A69" id="lab_htld_SelfInsuranceAxis_FC1754FD086D8D3985927AB000F06A69_terseLabel_en-US">Self insurance [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_SelfInsuranceAxis_FC1754FD086D8D3985927AB000F06A69" id="lab_htld_SelfInsuranceAxis_FC1754FD086D8D3985927AB000F06A69_label_en-US">Self insurance [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_SelfInsuranceAxis_FC1754FD086D8D3985927AB000F06A69" id="lab_htld_SelfInsuranceAxis_FC1754FD086D8D3985927AB000F06A69_documentation_en-US">Self insurance [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_SelfInsuranceAxis" xlink:label="loc_htld_SelfInsuranceAxis_FC1754FD086D8D3985927AB000F06A69"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_SelfInsuranceAxis_FC1754FD086D8D3985927AB000F06A69" xlink:from="loc_htld_SelfInsuranceAxis_FC1754FD086D8D3985927AB000F06A69" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_SelfInsuranceDomain_C8727F3D72C7203A3A417AB000F07192" id="lab_htld_SelfInsuranceDomain_C8727F3D72C7203A3A417AB000F07192_terseLabel_en-US">Self insurance [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_SelfInsuranceDomain_C8727F3D72C7203A3A417AB000F07192" id="lab_htld_SelfInsuranceDomain_C8727F3D72C7203A3A417AB000F07192_label_en-US">Self insurance [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_SelfInsuranceDomain_C8727F3D72C7203A3A417AB000F07192" id="lab_htld_SelfInsuranceDomain_C8727F3D72C7203A3A417AB000F07192_documentation_en-US">Self insurance [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_SelfInsuranceDomain" xlink:label="loc_htld_SelfInsuranceDomain_C8727F3D72C7203A3A417AB000F07192"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_SelfInsuranceDomain_C8727F3D72C7203A3A417AB000F07192" xlink:from="loc_htld_SelfInsuranceDomain_C8727F3D72C7203A3A417AB000F07192" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_AutoliabilityretentionlimitminimumMember_2D70364A80088EB1E95E7AB000F09B91" id="lab_htld_AutoliabilityretentionlimitminimumMember_2D70364A80088EB1E95E7AB000F09B91_terseLabel_en-US">Auto liability retention limit minimum [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_AutoliabilityretentionlimitminimumMember_2D70364A80088EB1E95E7AB000F09B91" id="lab_htld_AutoliabilityretentionlimitminimumMember_2D70364A80088EB1E95E7AB000F09B91_label_en-US">Auto liability retention limit minimum [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_AutoliabilityretentionlimitminimumMember_2D70364A80088EB1E95E7AB000F09B91" id="lab_htld_AutoliabilityretentionlimitminimumMember_2D70364A80088EB1E95E7AB000F09B91_documentation_en-US">Auto liability retention limit minimum [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_AutoliabilityretentionlimitminimumMember" xlink:label="loc_htld_AutoliabilityretentionlimitminimumMember_2D70364A80088EB1E95E7AB000F09B91"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_AutoliabilityretentionlimitminimumMember_2D70364A80088EB1E95E7AB000F09B91" xlink:from="loc_htld_AutoliabilityretentionlimitminimumMember_2D70364A80088EB1E95E7AB000F09B91" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_AutoliabilityretentionlimitmaximumMemberMember_C8C1A9BDFD5F7A39EE097AB000F0DDF0" id="lab_htld_AutoliabilityretentionlimitmaximumMemberMember_C8C1A9BDFD5F7A39EE097AB000F0DDF0_terseLabel_en-US">Auto liability retention limit maximum [Member] [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_AutoliabilityretentionlimitmaximumMemberMember_C8C1A9BDFD5F7A39EE097AB000F0DDF0" id="lab_htld_AutoliabilityretentionlimitmaximumMemberMember_C8C1A9BDFD5F7A39EE097AB000F0DDF0_label_en-US">Auto liability retention limit maximum [Member] [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_AutoliabilityretentionlimitmaximumMemberMember_C8C1A9BDFD5F7A39EE097AB000F0DDF0" id="lab_htld_AutoliabilityretentionlimitmaximumMemberMember_C8C1A9BDFD5F7A39EE097AB000F0DDF0_documentation_en-US">Auto liability retention limit maximum [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_AutoliabilityretentionlimitmaximumMemberMember" xlink:label="loc_htld_AutoliabilityretentionlimitmaximumMemberMember_C8C1A9BDFD5F7A39EE097AB000F0DDF0"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_AutoliabilityretentionlimitmaximumMemberMember_C8C1A9BDFD5F7A39EE097AB000F0DDF0" xlink:from="loc_htld_AutoliabilityretentionlimitmaximumMemberMember_C8C1A9BDFD5F7A39EE097AB000F0DDF0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_WorkerscompensationretentionlimitminimumMember_3371FA0B6720704DCC997AB000F0CC50" id="lab_htld_WorkerscompensationretentionlimitminimumMember_3371FA0B6720704DCC997AB000F0CC50_terseLabel_en-US">workers compensation retention limit minimum [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_WorkerscompensationretentionlimitminimumMember_3371FA0B6720704DCC997AB000F0CC50" id="lab_htld_WorkerscompensationretentionlimitminimumMember_3371FA0B6720704DCC997AB000F0CC50_label_en-US">workers compensation retention limit minimum [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_WorkerscompensationretentionlimitminimumMember_3371FA0B6720704DCC997AB000F0CC50" id="lab_htld_WorkerscompensationretentionlimitminimumMember_3371FA0B6720704DCC997AB000F0CC50_documentation_en-US">workers compensation retention limit minimum [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_WorkerscompensationretentionlimitminimumMember" xlink:label="loc_htld_WorkerscompensationretentionlimitminimumMember_3371FA0B6720704DCC997AB000F0CC50"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_WorkerscompensationretentionlimitminimumMember_3371FA0B6720704DCC997AB000F0CC50" xlink:from="loc_htld_WorkerscompensationretentionlimitminimumMember_3371FA0B6720704DCC997AB000F0CC50" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_WorkerscompensationretentionlimitmaximumMember_EE1E9C587A2218131EC07AB000F0BB75" id="lab_htld_WorkerscompensationretentionlimitmaximumMember_EE1E9C587A2218131EC07AB000F0BB75_terseLabel_en-US">workers compensation retention limit maximum [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_WorkerscompensationretentionlimitmaximumMember_EE1E9C587A2218131EC07AB000F0BB75" id="lab_htld_WorkerscompensationretentionlimitmaximumMember_EE1E9C587A2218131EC07AB000F0BB75_label_en-US">workers compensation retention limit maximum [Member]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_WorkerscompensationretentionlimitmaximumMember_EE1E9C587A2218131EC07AB000F0BB75" id="lab_htld_WorkerscompensationretentionlimitmaximumMember_EE1E9C587A2218131EC07AB000F0BB75_documentation_en-US">workers compensation retention limit maximum [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_WorkerscompensationretentionlimitmaximumMember" xlink:label="loc_htld_WorkerscompensationretentionlimitmaximumMember_EE1E9C587A2218131EC07AB000F0BB75"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_WorkerscompensationretentionlimitmaximumMember_EE1E9C587A2218131EC07AB000F0BB75" xlink:from="loc_htld_WorkerscompensationretentionlimitmaximumMember_EE1E9C587A2218131EC07AB000F0BB75" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_AccidentAndWorkersCompensationInsuranceLiabilitiesLineItems_E308F8D4B2043EB9270B7AB000F05BF4" id="lab_htld_AccidentAndWorkersCompensationInsuranceLiabilitiesLineItems_E308F8D4B2043EB9270B7AB000F05BF4_terseLabel_en-US">Accident and Workers' Compensation Insurance Liabilities [Line Items]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_AccidentAndWorkersCompensationInsuranceLiabilitiesLineItems_E308F8D4B2043EB9270B7AB000F05BF4" id="lab_htld_AccidentAndWorkersCompensationInsuranceLiabilitiesLineItems_E308F8D4B2043EB9270B7AB000F05BF4_label_en-US">Accident and Workers' Compensation Insurance Liabilities [Line Items]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_AccidentAndWorkersCompensationInsuranceLiabilitiesLineItems_E308F8D4B2043EB9270B7AB000F05BF4" id="lab_htld_AccidentAndWorkersCompensationInsuranceLiabilitiesLineItems_E308F8D4B2043EB9270B7AB000F05BF4_documentation_en-US">Accident and Workers' Compensation Insurance Liabilities [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_AccidentAndWorkersCompensationInsuranceLiabilitiesLineItems" xlink:label="loc_htld_AccidentAndWorkersCompensationInsuranceLiabilitiesLineItems_E308F8D4B2043EB9270B7AB000F05BF4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_AccidentAndWorkersCompensationInsuranceLiabilitiesLineItems_E308F8D4B2043EB9270B7AB000F05BF4" xlink:from="loc_htld_AccidentAndWorkersCompensationInsuranceLiabilitiesLineItems_E308F8D4B2043EB9270B7AB000F05BF4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_AutoLiabilityRetentionLimit_07551404AC1CB33854377AB000F07BE3" id="lab_htld_AutoLiabilityRetentionLimit_07551404AC1CB33854377AB000F07BE3_terseLabel_en-US">Auto liability retention limit</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_AutoLiabilityRetentionLimit_07551404AC1CB33854377AB000F07BE3" id="lab_htld_AutoLiabilityRetentionLimit_07551404AC1CB33854377AB000F07BE3_label_en-US">Auto liability retention limit</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_AutoLiabilityRetentionLimit_07551404AC1CB33854377AB000F07BE3" id="lab_htld_AutoLiabilityRetentionLimit_07551404AC1CB33854377AB000F07BE3_documentation_en-US">Auto liability retention limit</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_AutoLiabilityRetentionLimit" xlink:label="loc_htld_AutoLiabilityRetentionLimit_07551404AC1CB33854377AB000F07BE3"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_AutoLiabilityRetentionLimit_07551404AC1CB33854377AB000F07BE3" xlink:from="loc_htld_AutoLiabilityRetentionLimit_07551404AC1CB33854377AB000F07BE3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ExcessInsuranceCoverageLimit_1F35C4310E3AAB366DE37AB000F0551B" id="lab_htld_ExcessInsuranceCoverageLimit_1F35C4310E3AAB366DE37AB000F0551B_terseLabel_en-US">Excess Insurance Coverage Limit</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ExcessInsuranceCoverageLimit_1F35C4310E3AAB366DE37AB000F0551B" id="lab_htld_ExcessInsuranceCoverageLimit_1F35C4310E3AAB366DE37AB000F0551B_label_en-US">Excess Insurance Coverage Limit</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ExcessInsuranceCoverageLimit_1F35C4310E3AAB366DE37AB000F0551B" id="lab_htld_ExcessInsuranceCoverageLimit_1F35C4310E3AAB366DE37AB000F0551B_documentation_en-US">Excess Insurance Coverage Limit</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_ExcessInsuranceCoverageLimit" xlink:label="loc_htld_ExcessInsuranceCoverageLimit_1F35C4310E3AAB366DE37AB000F0551B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_ExcessInsuranceCoverageLimit_1F35C4310E3AAB366DE37AB000F0551B" xlink:from="loc_htld_ExcessInsuranceCoverageLimit_1F35C4310E3AAB366DE37AB000F0551B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_WorkersCompensationRetentionLimit_E789CC9CFB04D51F36327AB000F02E53" id="lab_htld_WorkersCompensationRetentionLimit_E789CC9CFB04D51F36327AB000F02E53_terseLabel_en-US">Workers compensation retention limit</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_WorkersCompensationRetentionLimit_E789CC9CFB04D51F36327AB000F02E53" id="lab_htld_WorkersCompensationRetentionLimit_E789CC9CFB04D51F36327AB000F02E53_label_en-US">Workers compensation retention limit</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_WorkersCompensationRetentionLimit_E789CC9CFB04D51F36327AB000F02E53" id="lab_htld_WorkersCompensationRetentionLimit_E789CC9CFB04D51F36327AB000F02E53_documentation_en-US">Workers compensation retention limit</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_WorkersCompensationRetentionLimit" xlink:label="loc_htld_WorkersCompensationRetentionLimit_E789CC9CFB04D51F36327AB000F02E53"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_WorkersCompensationRetentionLimit_E789CC9CFB04D51F36327AB000F02E53" xlink:from="loc_htld_WorkersCompensationRetentionLimit_E789CC9CFB04D51F36327AB000F02E53" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_TrustFundRequirements_7699C0D01B67503BC2B37AB000F0E86F" id="lab_htld_TrustFundRequirements_7699C0D01B67503BC2B37AB000F0E86F_terseLabel_en-US">Trust fund requirements</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_TrustFundRequirements_7699C0D01B67503BC2B37AB000F0E86F" id="lab_htld_TrustFundRequirements_7699C0D01B67503BC2B37AB000F0E86F_label_en-US">Trust fund requirements</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_TrustFundRequirements_7699C0D01B67503BC2B37AB000F0E86F" id="lab_htld_TrustFundRequirements_7699C0D01B67503BC2B37AB000F0E86F_documentation_en-US">Trust fund requirements</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_TrustFundRequirements" xlink:label="loc_htld_TrustFundRequirements_7699C0D01B67503BC2B37AB000F0E86F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_TrustFundRequirements_7699C0D01B67503BC2B37AB000F0E86F" xlink:from="loc_htld_TrustFundRequirements_7699C0D01B67503BC2B37AB000F0E86F" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_AEAC1434A24FD5C8D2B27AB000F0103C" id="lab_us-gaap_LettersOfCreditOutstandingAmount_AEAC1434A24FD5C8D2B27AB000F0103C_terseLabel_en-US">Letters of Credit Outstanding, Amount</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_AEAC1434A24FD5C8D2B27AB000F0103C" id="lab_us-gaap_LettersOfCreditOutstandingAmount_AEAC1434A24FD5C8D2B27AB000F0103C_label_en-US">Letters of Credit Outstanding, Amount</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_AEAC1434A24FD5C8D2B27AB000F0103C"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LettersOfCreditOutstandingAmount_AEAC1434A24FD5C8D2B27AB000F0103C" xlink:from="loc_us-gaap_LettersOfCreditOutstandingAmount_AEAC1434A24FD5C8D2B27AB000F0103C" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AdvertisingExpense_7221A9D68BADE339956DE5788CE53494" id="lab_us-gaap_AdvertisingExpense_7221A9D68BADE339956DE5788CE53494_terseLabel_en-US">Advertising Expense</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_AdvertisingExpense_7221A9D68BADE339956DE5788CE53494" id="lab_us-gaap_AdvertisingExpense_7221A9D68BADE339956DE5788CE53494_label_en-US">Advertising Expense</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdvertisingExpense" xlink:label="loc_us-gaap_AdvertisingExpense_7221A9D68BADE339956DE5788CE53494"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AdvertisingExpense_7221A9D68BADE339956DE5788CE53494" xlink:from="loc_us-gaap_AdvertisingExpense_7221A9D68BADE339956DE5788CE53494" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_5725CF3C0BD6D7B37DDAE5788CD7113F" id="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_5725CF3C0BD6D7B37DDAE5788CD7113F_terseLabel_en-US">Schedule of Quarterly Financial Information [Table Text Block]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_5725CF3C0BD6D7B37DDAE5788CD7113F" id="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_5725CF3C0BD6D7B37DDAE5788CD7113F_label_en-US">Quarterly Financial Information [Table Text Block]</link:label>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_450E81D5A403B493BAEE235A0248B9C9" id="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_450E81D5A403B493BAEE235A0248B9C9_label_en-US">Schedule of Deferred Tax Assets and Liabilities [Table Text Block]</link:label>

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<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_SummaryOfDeferredTaxAssetsLiabilitiesByBalanceSheetClassificationTableTextBlock_92F1BFC9E52CC502AE40235A02490D3F" id="lab_htld_SummaryOfDeferredTaxAssetsLiabilitiesByBalanceSheetClassificationTableTextBlock_92F1BFC9E52CC502AE40235A02490D3F_label_en-US">Summary of Deferred Tax Assets (Liabilities) by Balance Sheet Classification [Table Text Block]</link:label>

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<link:loc xlink:type="locator" xlink:href="htld-20161231.xsd#htld_SummaryOfDeferredTaxAssetsLiabilitiesByBalanceSheetClassificationTableTextBlock" xlink:label="loc_htld_SummaryOfDeferredTaxAssetsLiabilitiesByBalanceSheetClassificationTableTextBlock_92F1BFC9E52CC502AE40235A02490D3F"/>

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