<?xml version="1.0" encoding="US-ASCII"?>

<!--XBRL Document Created with Wdesk from Workiva-->

<!-- -->

-<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">

<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel"/>

<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" roleURI="http://www.xbrl.org/2009/role/netLabel"/>

<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" roleURI="http://www.xbrl.org/2009/role/negatedNetLabel"/>

<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel"/>

<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel"/>

<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" roleURI="http://www.xbrl.org/2009/role/negatedLabel"/>

<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel"/>


-<link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_738B7C37FFD3D8BDF00865A69AF91502" id="lab_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_738B7C37FFD3D8BDF00865A69AF91502_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_738B7C37FFD3D8BDF00865A69AF91502" id="lab_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_738B7C37FFD3D8BDF00865A69AF91502_documentation_en-US">Consolidated Balance Sheets Parentheticals [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_ConsolidatedBalanceSheetsParentheticalsAbstract" xlink:label="loc_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_738B7C37FFD3D8BDF00865A69AF91502"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_738B7C37FFD3D8BDF00865A69AF91502" xlink:from="loc_htld_ConsolidatedBalanceSheetsParentheticalsAbstract_738B7C37FFD3D8BDF00865A69AF91502" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_6AAC03C36176D5F4309D65A69AF95986" id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_6AAC03C36176D5F4309D65A69AF95986_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_6AAC03C36176D5F4309D65A69AF95986" id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_6AAC03C36176D5F4309D65A69AF95986_label_en-US">Allowance for Doubtful Accounts Receivable, Current</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_6AAC03C36176D5F4309D65A69AF95986"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_6AAC03C36176D5F4309D65A69AF95986" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_6AAC03C36176D5F4309D65A69AF95986" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_B560D27352625DB524FA65A69AF9C48B" id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_B560D27352625DB524FA65A69AF9C48B_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_B560D27352625DB524FA65A69AF9C48B" id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_B560D27352625DB524FA65A69AF9C48B_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_B560D27352625DB524FA65A69AF9C48B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PreferredStockParOrStatedValuePerShare_B560D27352625DB524FA65A69AF9C48B" xlink:from="loc_us-gaap_PreferredStockParOrStatedValuePerShare_B560D27352625DB524FA65A69AF9C48B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_E45CF7C872C5B48AD88065A69AF923F4" id="lab_us-gaap_PreferredStockSharesAuthorized_E45CF7C872C5B48AD88065A69AF923F4_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_E45CF7C872C5B48AD88065A69AF923F4" id="lab_us-gaap_PreferredStockSharesAuthorized_E45CF7C872C5B48AD88065A69AF923F4_label_en-US">Preferred Stock, Shares Authorized</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_E45CF7C872C5B48AD88065A69AF923F4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PreferredStockSharesAuthorized_E45CF7C872C5B48AD88065A69AF923F4" xlink:from="loc_us-gaap_PreferredStockSharesAuthorized_E45CF7C872C5B48AD88065A69AF923F4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_B9EB88D5BD42695C0E1865A69AF96476" id="lab_us-gaap_PreferredStockSharesIssued_B9EB88D5BD42695C0E1865A69AF96476_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_B9EB88D5BD42695C0E1865A69AF96476" id="lab_us-gaap_PreferredStockSharesIssued_B9EB88D5BD42695C0E1865A69AF96476_label_en-US">Preferred Stock, Shares Issued</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_B9EB88D5BD42695C0E1865A69AF96476"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PreferredStockSharesIssued_B9EB88D5BD42695C0E1865A69AF96476" xlink:from="loc_us-gaap_PreferredStockSharesIssued_B9EB88D5BD42695C0E1865A69AF96476" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_237876CB1CBE68A1061065A69AF91652" id="lab_us-gaap_CommonStockParOrStatedValuePerShare_237876CB1CBE68A1061065A69AF91652_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_237876CB1CBE68A1061065A69AF91652" id="lab_us-gaap_CommonStockParOrStatedValuePerShare_237876CB1CBE68A1061065A69AF91652_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_237876CB1CBE68A1061065A69AF91652"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommonStockParOrStatedValuePerShare_237876CB1CBE68A1061065A69AF91652" xlink:from="loc_us-gaap_CommonStockParOrStatedValuePerShare_237876CB1CBE68A1061065A69AF91652" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_6BFF5C79F7000FAE61BB65A69AF9D92D" id="lab_us-gaap_CommonStockSharesAuthorized_6BFF5C79F7000FAE61BB65A69AF9D92D_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_6BFF5C79F7000FAE61BB65A69AF9D92D" id="lab_us-gaap_CommonStockSharesAuthorized_6BFF5C79F7000FAE61BB65A69AF9D92D_label_en-US">Common Stock, Shares Authorized</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_6BFF5C79F7000FAE61BB65A69AF9D92D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommonStockSharesAuthorized_6BFF5C79F7000FAE61BB65A69AF9D92D" xlink:from="loc_us-gaap_CommonStockSharesAuthorized_6BFF5C79F7000FAE61BB65A69AF9D92D" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_13D890321697B8B9C18465A69AF9ED1F" id="lab_us-gaap_CommonStockSharesIssued_13D890321697B8B9C18465A69AF9ED1F_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_13D890321697B8B9C18465A69AF9ED1F" id="lab_us-gaap_CommonStockSharesIssued_13D890321697B8B9C18465A69AF9ED1F_label_en-US">Common Stock, Shares, Issued</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_13D890321697B8B9C18465A69AF9ED1F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommonStockSharesIssued_13D890321697B8B9C18465A69AF9ED1F" xlink:from="loc_us-gaap_CommonStockSharesIssued_13D890321697B8B9C18465A69AF9ED1F" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_7C9BFB221EF39F5C172765A69AF935D3" id="lab_us-gaap_CommonStockSharesOutstanding_7C9BFB221EF39F5C172765A69AF935D3_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_7C9BFB221EF39F5C172765A69AF935D3" id="lab_us-gaap_CommonStockSharesOutstanding_7C9BFB221EF39F5C172765A69AF935D3_label_en-US">Common Stock, Shares, Outstanding</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_7C9BFB221EF39F5C172765A69AF935D3"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommonStockSharesOutstanding_7C9BFB221EF39F5C172765A69AF935D3" xlink:from="loc_us-gaap_CommonStockSharesOutstanding_7C9BFB221EF39F5C172765A69AF935D3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_46CD77012232BF831D6365A69AF9908B" id="lab_us-gaap_TreasuryStockShares_46CD77012232BF831D6365A69AF9908B_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_46CD77012232BF831D6365A69AF9908B" id="lab_us-gaap_TreasuryStockShares_46CD77012232BF831D6365A69AF9908B_label_en-US">Treasury Stock, Shares</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_us-gaap_TreasuryStockShares_46CD77012232BF831D6365A69AF9908B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_TreasuryStockShares_46CD77012232BF831D6365A69AF9908B" xlink:from="loc_us-gaap_TreasuryStockShares_46CD77012232BF831D6365A69AF9908B" 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_63599F3272DF897115B865A69BF29881" id="lab_htld_RelatedPartyAbstract_63599F3272DF897115B865A69BF29881_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_63599F3272DF897115B865A69BF29881" id="lab_htld_RelatedPartyAbstract_63599F3272DF897115B865A69BF29881_documentation_en-US">Related Party [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_RelatedPartyAbstract" xlink:label="loc_htld_RelatedPartyAbstract_63599F3272DF897115B865A69BF29881"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_RelatedPartyAbstract_63599F3272DF897115B865A69BF29881" xlink:from="loc_htld_RelatedPartyAbstract_63599F3272DF897115B865A69BF29881" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_3EA90A806EC61F2F495365A69BF2016F" id="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_3EA90A806EC61F2F495365A69BF2016F_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_3EA90A806EC61F2F495365A69BF2016F" id="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_3EA90A806EC61F2F495365A69BF2016F_label_en-US">Related Party Transactions Disclosure [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:label="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_3EA90A806EC61F2F495365A69BF2016F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_3EA90A806EC61F2F495365A69BF2016F" xlink:from="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_3EA90A806EC61F2F495365A69BF2016F" 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_SegmentInformationAbstract_5DF27390BC598F97A37365A69A3DE5D9" id="lab_htld_SegmentInformationAbstract_5DF27390BC598F97A37365A69A3DE5D9_label_en-US">Segment Information [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_SegmentInformationAbstract_5DF27390BC598F97A37365A69A3DE5D9" id="lab_htld_SegmentInformationAbstract_5DF27390BC598F97A37365A69A3DE5D9_documentation_en-US">Segment Information [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_SegmentInformationAbstract" xlink:label="loc_htld_SegmentInformationAbstract_5DF27390BC598F97A37365A69A3DE5D9"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_SegmentInformationAbstract_5DF27390BC598F97A37365A69A3DE5D9" xlink:from="loc_htld_SegmentInformationAbstract_5DF27390BC598F97A37365A69A3DE5D9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_SegmentInformationTextBlock_51F698FBE3139A7B545665A69A3DCA00" id="lab_htld_SegmentInformationTextBlock_51F698FBE3139A7B545665A69A3DCA00_terseLabel_en-US">Segment Information</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_SegmentInformationTextBlock_51F698FBE3139A7B545665A69A3DCA00" id="lab_htld_SegmentInformationTextBlock_51F698FBE3139A7B545665A69A3DCA00_label_en-US">Segment Information [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_SegmentInformationTextBlock_51F698FBE3139A7B545665A69A3DCA00" id="lab_htld_SegmentInformationTextBlock_51F698FBE3139A7B545665A69A3DCA00_documentation_en-US">Segment Information</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_SegmentInformationTextBlock" xlink:label="loc_htld_SegmentInformationTextBlock_51F698FBE3139A7B545665A69A3DCA00"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_SegmentInformationTextBlock_51F698FBE3139A7B545665A69A3DCA00" xlink:from="loc_htld_SegmentInformationTextBlock_51F698FBE3139A7B545665A69A3DCA00" 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_GoodwillAndIntangibleAssetsDisclosureAbstract_3C70E1D8E23A3864C4C665A69B37066D" id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_3C70E1D8E23A3864C4C665A69B37066D_label_en-US">Goodwill and Intangible Assets Disclosure [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_3C70E1D8E23A3864C4C665A69B37066D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_3C70E1D8E23A3864C4C665A69B37066D" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_3C70E1D8E23A3864C4C665A69B37066D" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_BD0A53F4E15D5DD462E165A69B37603F" id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_BD0A53F4E15D5DD462E165A69B37603F_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_BD0A53F4E15D5DD462E165A69B37603F" id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_BD0A53F4E15D5DD462E165A69B37603F_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_BD0A53F4E15D5DD462E165A69B37603F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_BD0A53F4E15D5DD462E165A69B37603F" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_BD0A53F4E15D5DD462E165A69B37603F" 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_CommitmentsAndContingenciesDisclosureAbstract_55E8C6E0E9582971F6D90FAFF4959809" id="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_55E8C6E0E9582971F6D90FAFF4959809_label_en-US">Commitments and Contingencies Disclosure [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_55E8C6E0E9582971F6D90FAFF4959809"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_55E8C6E0E9582971F6D90FAFF4959809" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_55E8C6E0E9582971F6D90FAFF4959809" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_A234732EBB7D6F63E5D60FAFF4961EBD" id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_A234732EBB7D6F63E5D60FAFF4961EBD_terseLabel_en-US">Unrecorded Unconditional Purchase Obligation</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_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_A234732EBB7D6F63E5D60FAFF4961EBD" id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_A234732EBB7D6F63E5D60FAFF4961EBD_label_en-US">Unrecorded Unconditional Purchase Obligation</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_A234732EBB7D6F63E5D60FAFF4961EBD"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_A234732EBB7D6F63E5D60FAFF4961EBD" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_A234732EBB7D6F63E5D60FAFF4961EBD" 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_DE34A67831BF10ABC0071A14846560AC" id="lab_us-gaap_StatementOfStockholdersEquityAbstract_DE34A67831BF10ABC0071A14846560AC_label_en-US">Statement of Stockholders' Equity [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_DE34A67831BF10ABC0071A14846560AC"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StatementOfStockholdersEquityAbstract_DE34A67831BF10ABC0071A14846560AC" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_DE34A67831BF10ABC0071A14846560AC" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_71055306BFB2F3CE7A7B1A148465F569" id="lab_us-gaap_StatementTable_71055306BFB2F3CE7A7B1A148465F569_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_71055306BFB2F3CE7A7B1A148465F569" id="lab_us-gaap_StatementTable_71055306BFB2F3CE7A7B1A148465F569_label_en-US">Statement [Table]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_71055306BFB2F3CE7A7B1A148465F569"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StatementTable_71055306BFB2F3CE7A7B1A148465F569" xlink:from="loc_us-gaap_StatementTable_71055306BFB2F3CE7A7B1A148465F569" 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_StatementEquityComponentsAxis_DC811974D291510E4A0B1A1484653CD6" id="lab_us-gaap_StatementEquityComponentsAxis_DC811974D291510E4A0B1A1484653CD6_label_en-US">Equity Components [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_DC811974D291510E4A0B1A1484653CD6"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StatementEquityComponentsAxis_DC811974D291510E4A0B1A1484653CD6" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_DC811974D291510E4A0B1A1484653CD6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_EquityComponentDomain_4635488C07BBE2739B801A14846517BE" id="lab_us-gaap_EquityComponentDomain_4635488C07BBE2739B801A14846517BE_terseLabel_en-US">Equity Component [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_EquityComponentDomain_4635488C07BBE2739B801A14846517BE" id="lab_us-gaap_EquityComponentDomain_4635488C07BBE2739B801A14846517BE_label_en-US">Equity Component [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_4635488C07BBE2739B801A14846517BE"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_EquityComponentDomain_4635488C07BBE2739B801A14846517BE" xlink:from="loc_us-gaap_EquityComponentDomain_4635488C07BBE2739B801A14846517BE" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_68E347E9528C484D2B181A14846521F4" id="lab_us-gaap_CommonStockMember_68E347E9528C484D2B181A14846521F4_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_68E347E9528C484D2B181A14846521F4" id="lab_us-gaap_CommonStockMember_68E347E9528C484D2B181A14846521F4_label_en-US">Common Stock [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_68E347E9528C484D2B181A14846521F4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommonStockMember_68E347E9528C484D2B181A14846521F4" xlink:from="loc_us-gaap_CommonStockMember_68E347E9528C484D2B181A14846521F4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_AdditionalPaidInCapitalMember_993B035F9CDA7E8534701A1484657151" id="lab_us-gaap_AdditionalPaidInCapitalMember_993B035F9CDA7E8534701A1484657151_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_AdditionalPaidInCapitalMember_993B035F9CDA7E8534701A1484657151" id="lab_us-gaap_AdditionalPaidInCapitalMember_993B035F9CDA7E8534701A1484657151_label_en-US">Additional Paid-in Capital [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_993B035F9CDA7E8534701A1484657151"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AdditionalPaidInCapitalMember_993B035F9CDA7E8534701A1484657151" xlink:from="loc_us-gaap_AdditionalPaidInCapitalMember_993B035F9CDA7E8534701A1484657151" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_205355D4E88C0027A8561A148465CC4D" id="lab_us-gaap_RetainedEarningsMember_205355D4E88C0027A8561A148465CC4D_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_205355D4E88C0027A8561A148465CC4D" id="lab_us-gaap_RetainedEarningsMember_205355D4E88C0027A8561A148465CC4D_label_en-US">Retained Earnings [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_205355D4E88C0027A8561A148465CC4D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RetainedEarningsMember_205355D4E88C0027A8561A148465CC4D" xlink:from="loc_us-gaap_RetainedEarningsMember_205355D4E88C0027A8561A148465CC4D" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_TreasuryStockMember_84512E43BE6F461E96301A1484651DA4" id="lab_us-gaap_TreasuryStockMember_84512E43BE6F461E96301A1484651DA4_terseLabel_en-US">Treasury 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_TreasuryStockMember_84512E43BE6F461E96301A1484651DA4" id="lab_us-gaap_TreasuryStockMember_84512E43BE6F461E96301A1484651DA4_label_en-US">Treasury Stock [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_84512E43BE6F461E96301A1484651DA4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_TreasuryStockMember_84512E43BE6F461E96301A1484651DA4" xlink:from="loc_us-gaap_TreasuryStockMember_84512E43BE6F461E96301A1484651DA4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_7617AA50A82618400F8B1A1484654DAE" id="lab_us-gaap_StatementLineItems_7617AA50A82618400F8B1A1484654DAE_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_7617AA50A82618400F8B1A1484654DAE" id="lab_us-gaap_StatementLineItems_7617AA50A82618400F8B1A1484654DAE_label_en-US">Statement [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_7617AA50A82618400F8B1A1484654DAE"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StatementLineItems_7617AA50A82618400F8B1A1484654DAE" xlink:from="loc_us-gaap_StatementLineItems_7617AA50A82618400F8B1A1484654DAE" 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_StockholdersEquity_C6A81DFEC23D4A332EA51A148465C871" id="lab_us-gaap_StockholdersEquity_C6A81DFEC23D4A332EA51A148465C871_periodStartLabel_en-US">Balance</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_StockholdersEquity_C6A81DFEC23D4A332EA51A148465C871" id="lab_us-gaap_StockholdersEquity_C6A81DFEC23D4A332EA51A148465C871_label_en-US">Stockholders' Equity Attributable to Parent</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_C6A81DFEC23D4A332EA51A148465C871"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StockholdersEquity_C6A81DFEC23D4A332EA51A148465C871" xlink:from="loc_us-gaap_StockholdersEquity_C6A81DFEC23D4A332EA51A148465C871" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_NetIncomeLoss_D65A7D2650BCACD4F8381A14846581AF" id="lab_us-gaap_NetIncomeLoss_D65A7D2650BCACD4F8381A14846581AF_terseLabel_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_D65A7D2650BCACD4F8381A14846581AF" id="lab_us-gaap_NetIncomeLoss_D65A7D2650BCACD4F8381A14846581AF_label_en-US">Net Income (Loss) Attributable to Parent</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_D65A7D2650BCACD4F8381A14846581AF"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NetIncomeLoss_D65A7D2650BCACD4F8381A14846581AF" xlink:from="loc_us-gaap_NetIncomeLoss_D65A7D2650BCACD4F8381A14846581AF" 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_DividendsCommonStock_6082FBCBB3552974255E1A1484653CE9" id="lab_us-gaap_DividendsCommonStock_6082FBCBB3552974255E1A1484653CE9_negatedTerseLabel_en-US">Dividends on common stock, $0.04 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_DividendsCommonStock_6082FBCBB3552974255E1A1484653CE9" id="lab_us-gaap_DividendsCommonStock_6082FBCBB3552974255E1A1484653CE9_label_en-US">Dividends, Common Stock</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsCommonStock" xlink:label="loc_us-gaap_DividendsCommonStock_6082FBCBB3552974255E1A1484653CE9"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DividendsCommonStock_6082FBCBB3552974255E1A1484653CE9" xlink:from="loc_us-gaap_DividendsCommonStock_6082FBCBB3552974255E1A1484653CE9" 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_TreasuryStockValueAcquiredCostMethod_E907E4786E0007C2DF171A148465D760" id="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_E907E4786E0007C2DF171A148465D760_negatedTerseLabel_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_TreasuryStockValueAcquiredCostMethod_E907E4786E0007C2DF171A148465D760" id="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_E907E4786E0007C2DF171A148465D760_label_en-US">Treasury Stock, Value, Acquired, Cost Method</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_E907E4786E0007C2DF171A148465D760"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_E907E4786E0007C2DF171A148465D760" xlink:from="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_E907E4786E0007C2DF171A148465D760" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_StockIssuedDuringPeriodValueShareBasedCompensation_3EE8DAC9BA0346FEEED41A148465E5C6" id="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_3EE8DAC9BA0346FEEED41A148465E5C6_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_StockIssuedDuringPeriodValueShareBasedCompensation_3EE8DAC9BA0346FEEED41A148465E5C6" id="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_3EE8DAC9BA0346FEEED41A148465E5C6_label_en-US">Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_3EE8DAC9BA0346FEEED41A148465E5C6"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_3EE8DAC9BA0346FEEED41A148465E5C6" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_3EE8DAC9BA0346FEEED41A148465E5C6" 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_4DA4C87D64008E1740591A1484657273" id="lab_us-gaap_StockholdersEquity_4DA4C87D64008E1740591A1484657273_periodEndLabel_en-US">Balance</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_4DA4C87D64008E1740591A1484657273"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StockholdersEquity_4DA4C87D64008E1740591A1484657273" xlink:from="loc_us-gaap_StockholdersEquity_4DA4C87D64008E1740591A1484657273" 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_DCD50EF0149AC7CC46AC161AFDB78F06" id="lab_htld_ShareRepurchasesAbstract_DCD50EF0149AC7CC46AC161AFDB78F06_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_DCD50EF0149AC7CC46AC161AFDB78F06" id="lab_htld_ShareRepurchasesAbstract_DCD50EF0149AC7CC46AC161AFDB78F06_documentation_en-US">Note 10. Share Repurchases [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_ShareRepurchasesAbstract" xlink:label="loc_htld_ShareRepurchasesAbstract_DCD50EF0149AC7CC46AC161AFDB78F06"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_ShareRepurchasesAbstract_DCD50EF0149AC7CC46AC161AFDB78F06" xlink:from="loc_htld_ShareRepurchasesAbstract_DCD50EF0149AC7CC46AC161AFDB78F06" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_1F297A0459C473285AA2161AFDB8B485" id="lab_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_1F297A0459C473285AA2161AFDB8B485_terseLabel_en-US">Number of Shares Authorized to be Repurchased</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_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_1F297A0459C473285AA2161AFDB8B485" id="lab_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_1F297A0459C473285AA2161AFDB8B485_label_en-US">Stock Repurchase Program, Number of Shares Authorized to be Repurchased</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xlink:label="loc_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_1F297A0459C473285AA2161AFDB8B485"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_1F297A0459C473285AA2161AFDB8B485" xlink:from="loc_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_1F297A0459C473285AA2161AFDB8B485" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_D6EEBFC3CBD447EF3AD0161AFDB8EEE4" id="lab_us-gaap_TreasuryStockSharesAcquired_D6EEBFC3CBD447EF3AD0161AFDB8EEE4_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_D6EEBFC3CBD447EF3AD0161AFDB8EEE4" id="lab_us-gaap_TreasuryStockSharesAcquired_D6EEBFC3CBD447EF3AD0161AFDB8EEE4_label_en-US">Treasury Stock, Shares, Acquired</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_D6EEBFC3CBD447EF3AD0161AFDB8EEE4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_TreasuryStockSharesAcquired_D6EEBFC3CBD447EF3AD0161AFDB8EEE4" xlink:from="loc_us-gaap_TreasuryStockSharesAcquired_D6EEBFC3CBD447EF3AD0161AFDB8EEE4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_DividendsCommonStockCash_BAAACAA1DE117E9C4986161AFDB841E2" id="lab_us-gaap_DividendsCommonStockCash_BAAACAA1DE117E9C4986161AFDB841E2_terseLabel_en-US">Dividends, Common Stock, Cash</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_DividendsCommonStockCash_BAAACAA1DE117E9C4986161AFDB841E2" id="lab_us-gaap_DividendsCommonStockCash_BAAACAA1DE117E9C4986161AFDB841E2_label_en-US">Dividends, Common Stock, Cash</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="loc_us-gaap_DividendsCommonStockCash_BAAACAA1DE117E9C4986161AFDB841E2"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DividendsCommonStockCash_BAAACAA1DE117E9C4986161AFDB841E2" xlink:from="loc_us-gaap_DividendsCommonStockCash_BAAACAA1DE117E9C4986161AFDB841E2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_9C5E1B1D3A1FF6230C391AF16A3C50DC" id="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_9C5E1B1D3A1FF6230C391AF16A3C50DC_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_9C5E1B1D3A1FF6230C391AF16A3C50DC" id="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_9C5E1B1D3A1FF6230C391AF16A3C50DC_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_9C5E1B1D3A1FF6230C391AF16A3C50DC"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_9C5E1B1D3A1FF6230C391AF16A3C50DC" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_9C5E1B1D3A1FF6230C391AF16A3C50DC" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_1DD24C361FC360453DEF1AF16A3CE789" id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_1DD24C361FC360453DEF1AF16A3CE789_terseLabel_en-US">Property, Plant and Equipment, 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_1DD24C361FC360453DEF1AF16A3CE789" id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_1DD24C361FC360453DEF1AF16A3CE789_label_en-US">Property, Plant and Equipment, Type [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_1DD24C361FC360453DEF1AF16A3CE789"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_1DD24C361FC360453DEF1AF16A3CE789" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_1DD24C361FC360453DEF1AF16A3CE789" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_96CAB4F67AD7FE90B2C51AF16A3DF17B" id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_96CAB4F67AD7FE90B2C51AF16A3DF17B_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_96CAB4F67AD7FE90B2C51AF16A3DF17B" id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_96CAB4F67AD7FE90B2C51AF16A3DF17B_label_en-US">Property, Plant and Equipment, Type [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_96CAB4F67AD7FE90B2C51AF16A3DF17B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_96CAB4F67AD7FE90B2C51AF16A3DF17B" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_96CAB4F67AD7FE90B2C51AF16A3DF17B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_A2B5894CCF75F96424891AF16A3D9316" id="lab_htld_TrailersMember_A2B5894CCF75F96424891AF16A3D9316_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_A2B5894CCF75F96424891AF16A3D9316" id="lab_htld_TrailersMember_A2B5894CCF75F96424891AF16A3D9316_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_A2B5894CCF75F96424891AF16A3D9316" id="lab_htld_TrailersMember_A2B5894CCF75F96424891AF16A3D9316_documentation_en-US">Trailers [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_TrailersMember" xlink:label="loc_htld_TrailersMember_A2B5894CCF75F96424891AF16A3D9316"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_TrailersMember_A2B5894CCF75F96424891AF16A3D9316" xlink:from="loc_htld_TrailersMember_A2B5894CCF75F96424891AF16A3D9316" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_250656D815A00BB41A081AF16A3D60F7" id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_250656D815A00BB41A081AF16A3D60F7_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_250656D815A00BB41A081AF16A3D60F7" id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_250656D815A00BB41A081AF16A3D60F7_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis" xlink:label="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_250656D815A00BB41A081AF16A3D60F7"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_250656D815A00BB41A081AF16A3D60F7" xlink:from="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_250656D815A00BB41A081AF16A3D60F7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_6B4EB0ECBCB8E9DA24E61AF16A3DA5FB" id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_6B4EB0ECBCB8E9DA24E61AF16A3DA5FB_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_6B4EB0ECBCB8E9DA24E61AF16A3DA5FB" id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_6B4EB0ECBCB8E9DA24E61AF16A3DA5FB_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain" xlink:label="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_6B4EB0ECBCB8E9DA24E61AF16A3DA5FB"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_6B4EB0ECBCB8E9DA24E61AF16A3DA5FB" xlink:from="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_6B4EB0ECBCB8E9DA24E61AF16A3DA5FB" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_567A0FEE5841324EDB311AF16A43F2A2" id="lab_htld_TerminalFacilitiesMember_567A0FEE5841324EDB311AF16A43F2A2_terseLabel_en-US">Terminal Facilities</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_567A0FEE5841324EDB311AF16A43F2A2" id="lab_htld_TerminalFacilitiesMember_567A0FEE5841324EDB311AF16A43F2A2_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_567A0FEE5841324EDB311AF16A43F2A2" id="lab_htld_TerminalFacilitiesMember_567A0FEE5841324EDB311AF16A43F2A2_documentation_en-US">Terminal Facilities [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_TerminalFacilitiesMember" xlink:label="loc_htld_TerminalFacilitiesMember_567A0FEE5841324EDB311AF16A43F2A2"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_TerminalFacilitiesMember_567A0FEE5841324EDB311AF16A43F2A2" xlink:from="loc_htld_TerminalFacilitiesMember_567A0FEE5841324EDB311AF16A43F2A2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_9D8420000D112E72FC2E1AF16A4398C3" id="lab_us-gaap_LeaseArrangementTypeAxis_9D8420000D112E72FC2E1AF16A4398C3_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_9D8420000D112E72FC2E1AF16A4398C3" id="lab_us-gaap_LeaseArrangementTypeAxis_9D8420000D112E72FC2E1AF16A4398C3_label_en-US">Lease Arrangement, Type [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LeaseArrangementTypeAxis" xlink:label="loc_us-gaap_LeaseArrangementTypeAxis_9D8420000D112E72FC2E1AF16A4398C3"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LeaseArrangementTypeAxis_9D8420000D112E72FC2E1AF16A4398C3" xlink:from="loc_us-gaap_LeaseArrangementTypeAxis_9D8420000D112E72FC2E1AF16A4398C3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_4492905814A8F25E484B1AF16A43DB4E" id="lab_us-gaap_LeaseArrangementTypeDomain_4492905814A8F25E484B1AF16A43DB4E_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_4492905814A8F25E484B1AF16A43DB4E" id="lab_us-gaap_LeaseArrangementTypeDomain_4492905814A8F25E484B1AF16A43DB4E_label_en-US">Lease Arrangement, Type [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LeaseArrangementTypeDomain" xlink:label="loc_us-gaap_LeaseArrangementTypeDomain_4492905814A8F25E484B1AF16A43DB4E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LeaseArrangementTypeDomain_4492905814A8F25E484B1AF16A43DB4E" xlink:from="loc_us-gaap_LeaseArrangementTypeDomain_4492905814A8F25E484B1AF16A43DB4E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_F5B13EBECD1F4632D80D1AF16A44309E" id="lab_htld_RelatedPartyMember_F5B13EBECD1F4632D80D1AF16A44309E_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_htld_RelatedPartyMember_F5B13EBECD1F4632D80D1AF16A44309E" id="lab_htld_RelatedPartyMember_F5B13EBECD1F4632D80D1AF16A44309E_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_F5B13EBECD1F4632D80D1AF16A44309E" id="lab_htld_RelatedPartyMember_F5B13EBECD1F4632D80D1AF16A44309E_documentation_en-US">Related Party [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_RelatedPartyMember" xlink:label="loc_htld_RelatedPartyMember_F5B13EBECD1F4632D80D1AF16A44309E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_RelatedPartyMember_F5B13EBECD1F4632D80D1AF16A44309E" xlink:from="loc_htld_RelatedPartyMember_F5B13EBECD1F4632D80D1AF16A44309E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_808C8FEC6247023919B91AF16A449E78" id="lab_us-gaap_RelatedPartyTransactionLineItems_808C8FEC6247023919B91AF16A449E78_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_808C8FEC6247023919B91AF16A449E78" id="lab_us-gaap_RelatedPartyTransactionLineItems_808C8FEC6247023919B91AF16A449E78_label_en-US">Related Party Transaction [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_808C8FEC6247023919B91AF16A449E78"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RelatedPartyTransactionLineItems_808C8FEC6247023919B91AF16A449E78" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_808C8FEC6247023919B91AF16A449E78" 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_htld_FairValueOfRevenueEquipmentTraded_D7FFE4DAF0B396694FE71AF16A448357" id="lab_htld_FairValueOfRevenueEquipmentTraded_D7FFE4DAF0B396694FE71AF16A448357_verboseLabel_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_D7FFE4DAF0B396694FE71AF16A448357" id="lab_htld_FairValueOfRevenueEquipmentTraded_D7FFE4DAF0B396694FE71AF16A448357_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_D7FFE4DAF0B396694FE71AF16A448357" id="lab_htld_FairValueOfRevenueEquipmentTraded_D7FFE4DAF0B396694FE71AF16A448357_documentation_en-US">Fair value of revenue equipment traded</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_FairValueOfRevenueEquipmentTraded" xlink:label="loc_htld_FairValueOfRevenueEquipmentTraded_D7FFE4DAF0B396694FE71AF16A448357"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_FairValueOfRevenueEquipmentTraded_D7FFE4DAF0B396694FE71AF16A448357" xlink:from="loc_htld_FairValueOfRevenueEquipmentTraded_D7FFE4DAF0B396694FE71AF16A448357" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_70C76335FC409682ED3B1AF16A4504E6" id="lab_us-gaap_DueToRelatedPartiesCurrent_70C76335FC409682ED3B1AF16A4504E6_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_70C76335FC409682ED3B1AF16A4504E6" id="lab_us-gaap_DueToRelatedPartiesCurrent_70C76335FC409682ED3B1AF16A4504E6_label_en-US">Due to Related Parties, Current</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DueToRelatedPartiesCurrent" xlink:label="loc_us-gaap_DueToRelatedPartiesCurrent_70C76335FC409682ED3B1AF16A4504E6"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DueToRelatedPartiesCurrent_70C76335FC409682ED3B1AF16A4504E6" xlink:from="loc_us-gaap_DueToRelatedPartiesCurrent_70C76335FC409682ED3B1AF16A4504E6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_5513BB3A61342553527B1AF16A45C8BC" id="lab_htld_Paymentsforpartsandservices_5513BB3A61342553527B1AF16A45C8BC_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_5513BB3A61342553527B1AF16A45C8BC" id="lab_htld_Paymentsforpartsandservices_5513BB3A61342553527B1AF16A45C8BC_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_5513BB3A61342553527B1AF16A45C8BC" id="lab_htld_Paymentsforpartsandservices_5513BB3A61342553527B1AF16A45C8BC_documentation_en-US">Payments for parts and services</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_Paymentsforpartsandservices" xlink:label="loc_htld_Paymentsforpartsandservices_5513BB3A61342553527B1AF16A45C8BC"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_Paymentsforpartsandservices_5513BB3A61342553527B1AF16A45C8BC" xlink:from="loc_htld_Paymentsforpartsandservices_5513BB3A61342553527B1AF16A45C8BC" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_D98E31FB59A9FE2900ED1AF7AB55D76D" id="lab_us-gaap_LeaseAndRentalExpense_D98E31FB59A9FE2900ED1AF7AB55D76D_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_D98E31FB59A9FE2900ED1AF7AB55D76D" id="lab_us-gaap_LeaseAndRentalExpense_D98E31FB59A9FE2900ED1AF7AB55D76D_label_en-US">Operating Leases, Rent Expense</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="loc_us-gaap_LeaseAndRentalExpense_D98E31FB59A9FE2900ED1AF7AB55D76D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LeaseAndRentalExpense_D98E31FB59A9FE2900ED1AF7AB55D76D" xlink:from="loc_us-gaap_LeaseAndRentalExpense_D98E31FB59A9FE2900ED1AF7AB55D76D" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_CostsAndExpensesRelatedParty_B243F5F3F327F3E793391AF16A45A0A8" id="lab_us-gaap_CostsAndExpensesRelatedParty_B243F5F3F327F3E793391AF16A45A0A8_terseLabel_en-US">Costs and Expenses, 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_CostsAndExpensesRelatedParty_B243F5F3F327F3E793391AF16A45A0A8" id="lab_us-gaap_CostsAndExpensesRelatedParty_B243F5F3F327F3E793391AF16A45A0A8_label_en-US">Costs and Expenses, Related Party</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostsAndExpensesRelatedParty" xlink:label="loc_us-gaap_CostsAndExpensesRelatedParty_B243F5F3F327F3E793391AF16A45A0A8"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CostsAndExpensesRelatedParty_B243F5F3F327F3E793391AF16A45A0A8" xlink:from="loc_us-gaap_CostsAndExpensesRelatedParty_B243F5F3F327F3E793391AF16A45A0A8" 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_C1992F7D1A51209CB9CD1A7FD7C6520F" id="lab_us-gaap_IncomeStatementAbstract_C1992F7D1A51209CB9CD1A7FD7C6520F_label_en-US">Income Statement [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_C1992F7D1A51209CB9CD1A7FD7C6520F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeStatementAbstract_C1992F7D1A51209CB9CD1A7FD7C6520F" xlink:from="loc_us-gaap_IncomeStatementAbstract_C1992F7D1A51209CB9CD1A7FD7C6520F" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_E341D19AB5E8E8A8AAA91A7FD7C6F50E" id="lab_us-gaap_Revenues_E341D19AB5E8E8A8AAA91A7FD7C6F50E_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_E341D19AB5E8E8A8AAA91A7FD7C6F50E" id="lab_us-gaap_Revenues_E341D19AB5E8E8A8AAA91A7FD7C6F50E_label_en-US">Revenues</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_E341D19AB5E8E8A8AAA91A7FD7C6F50E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_Revenues_E341D19AB5E8E8A8AAA91A7FD7C6F50E" xlink:from="loc_us-gaap_Revenues_E341D19AB5E8E8A8AAA91A7FD7C6F50E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_9F058713246FEF068C431A7FD7C65923" id="lab_us-gaap_OperatingExpensesAbstract_9F058713246FEF068C431A7FD7C65923_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_9F058713246FEF068C431A7FD7C65923" id="lab_us-gaap_OperatingExpensesAbstract_9F058713246FEF068C431A7FD7C65923_label_en-US">Operating Expenses [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_us-gaap_OperatingExpensesAbstract_9F058713246FEF068C431A7FD7C65923"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OperatingExpensesAbstract_9F058713246FEF068C431A7FD7C65923" xlink:from="loc_us-gaap_OperatingExpensesAbstract_9F058713246FEF068C431A7FD7C65923" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_6B93522726CDA65CBBEA1A7FD7C629BA" id="lab_us-gaap_LaborAndRelatedExpense_6B93522726CDA65CBBEA1A7FD7C629BA_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_6B93522726CDA65CBBEA1A7FD7C629BA" id="lab_us-gaap_LaborAndRelatedExpense_6B93522726CDA65CBBEA1A7FD7C629BA_label_en-US">Labor and Related Expense</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:label="loc_us-gaap_LaborAndRelatedExpense_6B93522726CDA65CBBEA1A7FD7C629BA"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LaborAndRelatedExpense_6B93522726CDA65CBBEA1A7FD7C629BA" xlink:from="loc_us-gaap_LaborAndRelatedExpense_6B93522726CDA65CBBEA1A7FD7C629BA" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_1F0155E3ACBD5D8516341A7FD7C64DD4" id="lab_htld_RentAndPurchasedTransportation_1F0155E3ACBD5D8516341A7FD7C64DD4_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_1F0155E3ACBD5D8516341A7FD7C64DD4" id="lab_htld_RentAndPurchasedTransportation_1F0155E3ACBD5D8516341A7FD7C64DD4_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_1F0155E3ACBD5D8516341A7FD7C64DD4" id="lab_htld_RentAndPurchasedTransportation_1F0155E3ACBD5D8516341A7FD7C64DD4_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-20180630.xsd#htld_RentAndPurchasedTransportation" xlink:label="loc_htld_RentAndPurchasedTransportation_1F0155E3ACBD5D8516341A7FD7C64DD4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_RentAndPurchasedTransportation_1F0155E3ACBD5D8516341A7FD7C64DD4" xlink:from="loc_htld_RentAndPurchasedTransportation_1F0155E3ACBD5D8516341A7FD7C64DD4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_DC5704705FF0D662A6A41A7FD7C6DCC8" id="lab_us-gaap_FuelCosts_DC5704705FF0D662A6A41A7FD7C6DCC8_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_DC5704705FF0D662A6A41A7FD7C6DCC8" id="lab_us-gaap_FuelCosts_DC5704705FF0D662A6A41A7FD7C6DCC8_label_en-US">Fuel Costs</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FuelCosts" xlink:label="loc_us-gaap_FuelCosts_DC5704705FF0D662A6A41A7FD7C6DCC8"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_FuelCosts_DC5704705FF0D662A6A41A7FD7C6DCC8" xlink:from="loc_us-gaap_FuelCosts_DC5704705FF0D662A6A41A7FD7C6DCC8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_OperatingCostsAndExpenses_CCB92F96DD6A515FEF0E1A7FD7C65F9E" id="lab_us-gaap_OperatingCostsAndExpenses_CCB92F96DD6A515FEF0E1A7FD7C65F9E_terseLabel_en-US">Operating Costs and 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_OperatingCostsAndExpenses_CCB92F96DD6A515FEF0E1A7FD7C65F9E" id="lab_us-gaap_OperatingCostsAndExpenses_CCB92F96DD6A515FEF0E1A7FD7C65F9E_label_en-US">Operating Costs and Expenses</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingCostsAndExpenses" xlink:label="loc_us-gaap_OperatingCostsAndExpenses_CCB92F96DD6A515FEF0E1A7FD7C65F9E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OperatingCostsAndExpenses_CCB92F96DD6A515FEF0E1A7FD7C65F9E" xlink:from="loc_us-gaap_OperatingCostsAndExpenses_CCB92F96DD6A515FEF0E1A7FD7C65F9E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_DirectTaxesAndLicensesCosts_4AC2593288187ABE21541A7FD7C61773" id="lab_us-gaap_DirectTaxesAndLicensesCosts_4AC2593288187ABE21541A7FD7C61773_terseLabel_en-US">Cost, Direct Tax and License</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_DirectTaxesAndLicensesCosts_4AC2593288187ABE21541A7FD7C61773" id="lab_us-gaap_DirectTaxesAndLicensesCosts_4AC2593288187ABE21541A7FD7C61773_label_en-US">Cost, Direct Tax and License</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DirectTaxesAndLicensesCosts" xlink:label="loc_us-gaap_DirectTaxesAndLicensesCosts_4AC2593288187ABE21541A7FD7C61773"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DirectTaxesAndLicensesCosts_4AC2593288187ABE21541A7FD7C61773" xlink:from="loc_us-gaap_DirectTaxesAndLicensesCosts_4AC2593288187ABE21541A7FD7C61773" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_OperatingInsuranceAndClaimsCostsProduction_31266F9FF4522AD7ECAC1A7FD7C6E6B9" id="lab_us-gaap_OperatingInsuranceAndClaimsCostsProduction_31266F9FF4522AD7ECAC1A7FD7C6E6B9_terseLabel_en-US">Insurance and claims</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_OperatingInsuranceAndClaimsCostsProduction_31266F9FF4522AD7ECAC1A7FD7C6E6B9" id="lab_us-gaap_OperatingInsuranceAndClaimsCostsProduction_31266F9FF4522AD7ECAC1A7FD7C6E6B9_label_en-US">Operating Insurance and Claims Costs, Production</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingInsuranceAndClaimsCostsProduction" xlink:label="loc_us-gaap_OperatingInsuranceAndClaimsCostsProduction_31266F9FF4522AD7ECAC1A7FD7C6E6B9"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OperatingInsuranceAndClaimsCostsProduction_31266F9FF4522AD7ECAC1A7FD7C6E6B9" xlink:from="loc_us-gaap_OperatingInsuranceAndClaimsCostsProduction_31266F9FF4522AD7ECAC1A7FD7C6E6B9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_DirectCommunicationsAndUtilitiesCosts_D1E696E82A6BAC01D0211A7FD7C6AABC" id="lab_us-gaap_DirectCommunicationsAndUtilitiesCosts_D1E696E82A6BAC01D0211A7FD7C6AABC_terseLabel_en-US">Communications and utilities</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_DirectCommunicationsAndUtilitiesCosts_D1E696E82A6BAC01D0211A7FD7C6AABC" id="lab_us-gaap_DirectCommunicationsAndUtilitiesCosts_D1E696E82A6BAC01D0211A7FD7C6AABC_label_en-US">Direct Communications and Utilities Costs</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DirectCommunicationsAndUtilitiesCosts" xlink:label="loc_us-gaap_DirectCommunicationsAndUtilitiesCosts_D1E696E82A6BAC01D0211A7FD7C6AABC"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DirectCommunicationsAndUtilitiesCosts_D1E696E82A6BAC01D0211A7FD7C6AABC" xlink:from="loc_us-gaap_DirectCommunicationsAndUtilitiesCosts_D1E696E82A6BAC01D0211A7FD7C6AABC" 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_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_05B919EDF00B3A4EEC571A7FD7C63898" id="lab_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_05B919EDF00B3A4EEC571A7FD7C63898_verboseLabel_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_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_05B919EDF00B3A4EEC571A7FD7C63898" id="lab_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_05B919EDF00B3A4EEC571A7FD7C63898_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_05B919EDF00B3A4EEC571A7FD7C63898" id="lab_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_05B919EDF00B3A4EEC571A7FD7C63898_documentation_en-US">depreciation and amortization excluding depreciation on communication equipment</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment" xlink:label="loc_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_05B919EDF00B3A4EEC571A7FD7C63898"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_05B919EDF00B3A4EEC571A7FD7C63898" xlink:from="loc_htld_Depreciationandamortizationexcludingdepreciationoncommunicationequipment_05B919EDF00B3A4EEC571A7FD7C63898" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_OtherCostAndExpenseOperating_20A4C87D725425A8F1911A7FD7C67F1A" id="lab_us-gaap_OtherCostAndExpenseOperating_20A4C87D725425A8F1911A7FD7C67F1A_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_20A4C87D725425A8F1911A7FD7C67F1A" id="lab_us-gaap_OtherCostAndExpenseOperating_20A4C87D725425A8F1911A7FD7C67F1A_label_en-US">Other Cost and Expense, Operating</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_20A4C87D725425A8F1911A7FD7C67F1A"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OtherCostAndExpenseOperating_20A4C87D725425A8F1911A7FD7C67F1A" xlink:from="loc_us-gaap_OtherCostAndExpenseOperating_20A4C87D725425A8F1911A7FD7C67F1A" 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_GainLossOnDispositionOfAssets_1B52B166283E15B591C51A7FD7C657EB" id="lab_us-gaap_GainLossOnDispositionOfAssets_1B52B166283E15B591C51A7FD7C657EB_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_1B52B166283E15B591C51A7FD7C657EB" id="lab_us-gaap_GainLossOnDispositionOfAssets_1B52B166283E15B591C51A7FD7C657EB_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets_1B52B166283E15B591C51A7FD7C657EB"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_GainLossOnDispositionOfAssets_1B52B166283E15B591C51A7FD7C657EB" xlink:from="loc_us-gaap_GainLossOnDispositionOfAssets_1B52B166283E15B591C51A7FD7C657EB" 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_CostsAndExpenses_DF5F381A8B0B2A1E34701A7FD7C65576" id="lab_us-gaap_CostsAndExpenses_DF5F381A8B0B2A1E34701A7FD7C65576_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_DF5F381A8B0B2A1E34701A7FD7C65576" id="lab_us-gaap_CostsAndExpenses_DF5F381A8B0B2A1E34701A7FD7C65576_label_en-US">Costs and Expenses</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_DF5F381A8B0B2A1E34701A7FD7C65576"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CostsAndExpenses_DF5F381A8B0B2A1E34701A7FD7C65576" xlink:from="loc_us-gaap_CostsAndExpenses_DF5F381A8B0B2A1E34701A7FD7C65576" 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_2152B4A6C7B6CD221F041A7FD7C67C19" id="lab_us-gaap_OperatingIncomeLoss_2152B4A6C7B6CD221F041A7FD7C67C19_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_2152B4A6C7B6CD221F041A7FD7C67C19" id="lab_us-gaap_OperatingIncomeLoss_2152B4A6C7B6CD221F041A7FD7C67C19_label_en-US">Operating Income (Loss)</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_2152B4A6C7B6CD221F041A7FD7C67C19"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OperatingIncomeLoss_2152B4A6C7B6CD221F041A7FD7C67C19" xlink:from="loc_us-gaap_OperatingIncomeLoss_2152B4A6C7B6CD221F041A7FD7C67C19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_F79A09C3648B33E817271A7FD7C6668B" id="lab_us-gaap_InvestmentIncomeInterest_F79A09C3648B33E817271A7FD7C6668B_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_F79A09C3648B33E817271A7FD7C6668B" id="lab_us-gaap_InvestmentIncomeInterest_F79A09C3648B33E817271A7FD7C6668B_label_en-US">Investment Income, Interest</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest_F79A09C3648B33E817271A7FD7C6668B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_InvestmentIncomeInterest_F79A09C3648B33E817271A7FD7C6668B" xlink:from="loc_us-gaap_InvestmentIncomeInterest_F79A09C3648B33E817271A7FD7C6668B" 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_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_951CE4EA2FEF94FBA30B1A7FD7C69383" id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_951CE4EA2FEF94FBA30B1A7FD7C69383_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_951CE4EA2FEF94FBA30B1A7FD7C69383" id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_951CE4EA2FEF94FBA30B1A7FD7C69383_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_951CE4EA2FEF94FBA30B1A7FD7C69383"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_951CE4EA2FEF94FBA30B1A7FD7C69383" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_951CE4EA2FEF94FBA30B1A7FD7C69383" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_IncomeTaxExpenseBenefit_8C01BDFECC849EEA71051A7FD7C6EDE7" id="lab_us-gaap_IncomeTaxExpenseBenefit_8C01BDFECC849EEA71051A7FD7C6EDE7_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_8C01BDFECC849EEA71051A7FD7C6EDE7" id="lab_us-gaap_IncomeTaxExpenseBenefit_8C01BDFECC849EEA71051A7FD7C6EDE7_label_en-US">Income Tax Expense (Benefit)</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_8C01BDFECC849EEA71051A7FD7C6EDE7"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeTaxExpenseBenefit_8C01BDFECC849EEA71051A7FD7C6EDE7" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_8C01BDFECC849EEA71051A7FD7C6EDE7" 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_NetIncomeLoss_7848CB93AF92FA79D8D61A7FD7C6D5B5" id="lab_us-gaap_NetIncomeLoss_7848CB93AF92FA79D8D61A7FD7C6D5B5_totalLabel_en-US">Net income</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_7848CB93AF92FA79D8D61A7FD7C6D5B5"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NetIncomeLoss_7848CB93AF92FA79D8D61A7FD7C6D5B5" xlink:from="loc_us-gaap_NetIncomeLoss_7848CB93AF92FA79D8D61A7FD7C6D5B5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_87256F3AB047E793D9C11A7FD7C6EA3E" id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_87256F3AB047E793D9C11A7FD7C6EA3E_terseLabel_en-US">Other comprehensive income, 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_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_87256F3AB047E793D9C11A7FD7C6EA3E" id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_87256F3AB047E793D9C11A7FD7C6EA3E_label_en-US">Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, after Tax</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_87256F3AB047E793D9C11A7FD7C6EA3E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_87256F3AB047E793D9C11A7FD7C6EA3E" xlink:from="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_87256F3AB047E793D9C11A7FD7C6EA3E" 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_ComprehensiveIncomeNetOfTax_CE973DBCA18542EE15341A7FD7C6B08B" id="lab_us-gaap_ComprehensiveIncomeNetOfTax_CE973DBCA18542EE15341A7FD7C6B08B_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_CE973DBCA18542EE15341A7FD7C6B08B" id="lab_us-gaap_ComprehensiveIncomeNetOfTax_CE973DBCA18542EE15341A7FD7C6B08B_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_CE973DBCA18542EE15341A7FD7C6B08B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ComprehensiveIncomeNetOfTax_CE973DBCA18542EE15341A7FD7C6B08B" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_CE973DBCA18542EE15341A7FD7C6B08B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_EarningsPerShareAbstract_891BFD73280244E242331A7FD7C66F18" id="lab_us-gaap_EarningsPerShareAbstract_891BFD73280244E242331A7FD7C66F18_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_891BFD73280244E242331A7FD7C66F18" id="lab_us-gaap_EarningsPerShareAbstract_891BFD73280244E242331A7FD7C66F18_label_en-US">Earnings Per Share [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_891BFD73280244E242331A7FD7C66F18"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_EarningsPerShareAbstract_891BFD73280244E242331A7FD7C66F18" xlink:from="loc_us-gaap_EarningsPerShareAbstract_891BFD73280244E242331A7FD7C66F18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_EarningsPerShareBasic_E526AF0D52F34D79C96F1A7FD7C66DAC" id="lab_us-gaap_EarningsPerShareBasic_E526AF0D52F34D79C96F1A7FD7C66DAC_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_E526AF0D52F34D79C96F1A7FD7C66DAC" id="lab_us-gaap_EarningsPerShareBasic_E526AF0D52F34D79C96F1A7FD7C66DAC_label_en-US">Earnings Per Share, Basic</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_E526AF0D52F34D79C96F1A7FD7C66DAC"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_EarningsPerShareBasic_E526AF0D52F34D79C96F1A7FD7C66DAC" xlink:from="loc_us-gaap_EarningsPerShareBasic_E526AF0D52F34D79C96F1A7FD7C66DAC" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_EarningsPerShareDiluted_92FD38147B87CAFE3DEF1A7FD7C60390" id="lab_us-gaap_EarningsPerShareDiluted_92FD38147B87CAFE3DEF1A7FD7C60390_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_92FD38147B87CAFE3DEF1A7FD7C60390" id="lab_us-gaap_EarningsPerShareDiluted_92FD38147B87CAFE3DEF1A7FD7C60390_label_en-US">Earnings Per Share, Diluted</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_92FD38147B87CAFE3DEF1A7FD7C60390"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_EarningsPerShareDiluted_92FD38147B87CAFE3DEF1A7FD7C60390" xlink:from="loc_us-gaap_EarningsPerShareDiluted_92FD38147B87CAFE3DEF1A7FD7C60390" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_WeightedAverageSharesOutstandingAbstract_952A5A30821381DB66E21A7FD7C6B686" id="lab_htld_WeightedAverageSharesOutstandingAbstract_952A5A30821381DB66E21A7FD7C6B686_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_952A5A30821381DB66E21A7FD7C6B686" id="lab_htld_WeightedAverageSharesOutstandingAbstract_952A5A30821381DB66E21A7FD7C6B686_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_952A5A30821381DB66E21A7FD7C6B686" id="lab_htld_WeightedAverageSharesOutstandingAbstract_952A5A30821381DB66E21A7FD7C6B686_documentation_en-US">Weighted average shares outstanding [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_WeightedAverageSharesOutstandingAbstract" xlink:label="loc_htld_WeightedAverageSharesOutstandingAbstract_952A5A30821381DB66E21A7FD7C6B686"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_WeightedAverageSharesOutstandingAbstract_952A5A30821381DB66E21A7FD7C6B686" xlink:from="loc_htld_WeightedAverageSharesOutstandingAbstract_952A5A30821381DB66E21A7FD7C6B686" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_DFA942D89D762CF40A341A7FD7C62254" id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_DFA942D89D762CF40A341A7FD7C62254_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_DFA942D89D762CF40A341A7FD7C62254" id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_DFA942D89D762CF40A341A7FD7C62254_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_DFA942D89D762CF40A341A7FD7C62254"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_DFA942D89D762CF40A341A7FD7C62254" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_DFA942D89D762CF40A341A7FD7C62254" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_9D68CC698A22DC17EE7D1A7FD7D61214" id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_9D68CC698A22DC17EE7D1A7FD7D61214_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_9D68CC698A22DC17EE7D1A7FD7D61214" id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_9D68CC698A22DC17EE7D1A7FD7D61214_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_9D68CC698A22DC17EE7D1A7FD7D61214"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_9D68CC698A22DC17EE7D1A7FD7D61214" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_9D68CC698A22DC17EE7D1A7FD7D61214" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_C4C61EBA6F8A45FE8AA41A7FD7D60294" id="lab_us-gaap_CommonStockDividendsPerShareDeclared_C4C61EBA6F8A45FE8AA41A7FD7D60294_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_C4C61EBA6F8A45FE8AA41A7FD7D60294" id="lab_us-gaap_CommonStockDividendsPerShareDeclared_C4C61EBA6F8A45FE8AA41A7FD7D60294_label_en-US">Common Stock, Dividends, Per Share, Declared</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_C4C61EBA6F8A45FE8AA41A7FD7D60294"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommonStockDividendsPerShareDeclared_C4C61EBA6F8A45FE8AA41A7FD7D60294" xlink:from="loc_us-gaap_CommonStockDividendsPerShareDeclared_C4C61EBA6F8A45FE8AA41A7FD7D60294" 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_3319FEA65CF7ECE4B89665A69A3DAAAA" id="lab_htld_DeiAbstract_3319FEA65CF7ECE4B89665A69A3DAAAA_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_3319FEA65CF7ECE4B89665A69A3DAAAA" id="lab_htld_DeiAbstract_3319FEA65CF7ECE4B89665A69A3DAAAA_documentation_en-US">DEI [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_DeiAbstract" xlink:label="loc_htld_DeiAbstract_3319FEA65CF7ECE4B89665A69A3DAAAA"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_DeiAbstract_3319FEA65CF7ECE4B89665A69A3DAAAA" xlink:from="loc_htld_DeiAbstract_3319FEA65CF7ECE4B89665A69A3DAAAA" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_780F99F119357E3D524865A69A3D1AD4" id="lab_dei_DocumentInformationTable_780F99F119357E3D524865A69A3D1AD4_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_780F99F119357E3D524865A69A3D1AD4" id="lab_dei_DocumentInformationTable_780F99F119357E3D524865A69A3D1AD4_label_en-US">Document Information [Table]</link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentInformationTable" xlink:label="loc_dei_DocumentInformationTable_780F99F119357E3D524865A69A3D1AD4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_DocumentInformationTable_780F99F119357E3D524865A69A3D1AD4" xlink:from="loc_dei_DocumentInformationTable_780F99F119357E3D524865A69A3D1AD4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_8ED5208464C33D8F46D665A69A3D9761" id="lab_dei_DocumentInformationDocumentAxis_8ED5208464C33D8F46D665A69A3D9761_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_8ED5208464C33D8F46D665A69A3D9761" id="lab_dei_DocumentInformationDocumentAxis_8ED5208464C33D8F46D665A69A3D9761_label_en-US">Document Information, Document [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentInformationDocumentAxis" xlink:label="loc_dei_DocumentInformationDocumentAxis_8ED5208464C33D8F46D665A69A3D9761"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_DocumentInformationDocumentAxis_8ED5208464C33D8F46D665A69A3D9761" xlink:from="loc_dei_DocumentInformationDocumentAxis_8ED5208464C33D8F46D665A69A3D9761" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_F6509D9B84971C874E3465A69A3D307C" id="lab_dei_DocumentDomain_F6509D9B84971C874E3465A69A3D307C_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_F6509D9B84971C874E3465A69A3D307C" id="lab_dei_DocumentDomain_F6509D9B84971C874E3465A69A3D307C_label_en-US">Document [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentDomain" xlink:label="loc_dei_DocumentDomain_F6509D9B84971C874E3465A69A3D307C"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_DocumentDomain_F6509D9B84971C874E3465A69A3D307C" xlink:from="loc_dei_DocumentDomain_F6509D9B84971C874E3465A69A3D307C" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_FE8A9EE276B1C4B71C1B65A69A3D1A1F" id="lab_dei_DocumentInformationLineItems_FE8A9EE276B1C4B71C1B65A69A3D1A1F_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_FE8A9EE276B1C4B71C1B65A69A3D1A1F" id="lab_dei_DocumentInformationLineItems_FE8A9EE276B1C4B71C1B65A69A3D1A1F_label_en-US">Document Information [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentInformationLineItems" xlink:label="loc_dei_DocumentInformationLineItems_FE8A9EE276B1C4B71C1B65A69A3D1A1F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_DocumentInformationLineItems_FE8A9EE276B1C4B71C1B65A69A3D1A1F" xlink:from="loc_dei_DocumentInformationLineItems_FE8A9EE276B1C4B71C1B65A69A3D1A1F" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_40910CD411E3B34AB0BE65A69A3DD346" id="lab_dei_EntityRegistrantName_40910CD411E3B34AB0BE65A69A3DD346_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_40910CD411E3B34AB0BE65A69A3DD346" id="lab_dei_EntityRegistrantName_40910CD411E3B34AB0BE65A69A3DD346_label_en-US">Entity Registrant Name</link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_40910CD411E3B34AB0BE65A69A3DD346"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_EntityRegistrantName_40910CD411E3B34AB0BE65A69A3DD346" xlink:from="loc_dei_EntityRegistrantName_40910CD411E3B34AB0BE65A69A3DD346" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_CCE87DBD60409A5E77AB65A69A3DDD57" id="lab_dei_EntityCentralIndexKey_CCE87DBD60409A5E77AB65A69A3DDD57_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_CCE87DBD60409A5E77AB65A69A3DDD57" id="lab_dei_EntityCentralIndexKey_CCE87DBD60409A5E77AB65A69A3DDD57_label_en-US">Entity Central Index Key</link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_CCE87DBD60409A5E77AB65A69A3DDD57"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_EntityCentralIndexKey_CCE87DBD60409A5E77AB65A69A3DDD57" xlink:from="loc_dei_EntityCentralIndexKey_CCE87DBD60409A5E77AB65A69A3DDD57" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_956663334932D46EE38865A69A3DFFDC" id="lab_dei_DocumentType_956663334932D46EE38865A69A3DFFDC_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_956663334932D46EE38865A69A3DFFDC" id="lab_dei_DocumentType_956663334932D46EE38865A69A3DFFDC_label_en-US">Document Type</link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_956663334932D46EE38865A69A3DFFDC"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_DocumentType_956663334932D46EE38865A69A3DFFDC" xlink:from="loc_dei_DocumentType_956663334932D46EE38865A69A3DFFDC" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_91F13C05A6E9D116359865A69A3D9694" id="lab_dei_DocumentPeriodEndDate_91F13C05A6E9D116359865A69A3D9694_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_91F13C05A6E9D116359865A69A3D9694" id="lab_dei_DocumentPeriodEndDate_91F13C05A6E9D116359865A69A3D9694_label_en-US">Document Period End Date</link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_91F13C05A6E9D116359865A69A3D9694"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_DocumentPeriodEndDate_91F13C05A6E9D116359865A69A3D9694" xlink:from="loc_dei_DocumentPeriodEndDate_91F13C05A6E9D116359865A69A3D9694" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_0B837FB112A0C7D01AE365A69A3DB52D" id="lab_dei_DocumentFiscalYearFocus_0B837FB112A0C7D01AE365A69A3DB52D_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_0B837FB112A0C7D01AE365A69A3DB52D" id="lab_dei_DocumentFiscalYearFocus_0B837FB112A0C7D01AE365A69A3DB52D_label_en-US">Document Fiscal Year Focus</link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_0B837FB112A0C7D01AE365A69A3DB52D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_DocumentFiscalYearFocus_0B837FB112A0C7D01AE365A69A3DB52D" xlink:from="loc_dei_DocumentFiscalYearFocus_0B837FB112A0C7D01AE365A69A3DB52D" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_356ABD39BFBF278617D065A69A3D4434" id="lab_dei_DocumentFiscalPeriodFocus_356ABD39BFBF278617D065A69A3D4434_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_356ABD39BFBF278617D065A69A3D4434" id="lab_dei_DocumentFiscalPeriodFocus_356ABD39BFBF278617D065A69A3D4434_label_en-US">Document Fiscal Period Focus</link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_356ABD39BFBF278617D065A69A3D4434"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_DocumentFiscalPeriodFocus_356ABD39BFBF278617D065A69A3D4434" xlink:from="loc_dei_DocumentFiscalPeriodFocus_356ABD39BFBF278617D065A69A3D4434" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_9B2A397C05ECC54D362665A69A3DB1AB" id="lab_dei_CurrentFiscalYearEndDate_9B2A397C05ECC54D362665A69A3DB1AB_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_9B2A397C05ECC54D362665A69A3DB1AB" id="lab_dei_CurrentFiscalYearEndDate_9B2A397C05ECC54D362665A69A3DB1AB_label_en-US">Current Fiscal Year End Date</link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_9B2A397C05ECC54D362665A69A3DB1AB"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_CurrentFiscalYearEndDate_9B2A397C05ECC54D362665A69A3DB1AB" xlink:from="loc_dei_CurrentFiscalYearEndDate_9B2A397C05ECC54D362665A69A3DB1AB" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_B388DB028B82278FFD6565A69A3D4CF1" id="lab_dei_AmendmentFlag_B388DB028B82278FFD6565A69A3D4CF1_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_B388DB028B82278FFD6565A69A3D4CF1" id="lab_dei_AmendmentFlag_B388DB028B82278FFD6565A69A3D4CF1_label_en-US">Amendment Flag</link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_B388DB028B82278FFD6565A69A3D4CF1"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_AmendmentFlag_B388DB028B82278FFD6565A69A3D4CF1" xlink:from="loc_dei_AmendmentFlag_B388DB028B82278FFD6565A69A3D4CF1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_3FAD8A628256235EF85C65A69A3D82BC" id="lab_dei_EntityFilerCategory_3FAD8A628256235EF85C65A69A3D82BC_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_3FAD8A628256235EF85C65A69A3D82BC" id="lab_dei_EntityFilerCategory_3FAD8A628256235EF85C65A69A3D82BC_label_en-US">Entity Filer Category</link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_3FAD8A628256235EF85C65A69A3D82BC"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_EntityFilerCategory_3FAD8A628256235EF85C65A69A3D82BC" xlink:from="loc_dei_EntityFilerCategory_3FAD8A628256235EF85C65A69A3D82BC" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_AA240AC38CE605C4E34A65A69A3D9FB4" id="lab_dei_EntityCommonStockSharesOutstanding_AA240AC38CE605C4E34A65A69A3D9FB4_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_AA240AC38CE605C4E34A65A69A3D9FB4" id="lab_dei_EntityCommonStockSharesOutstanding_AA240AC38CE605C4E34A65A69A3D9FB4_label_en-US">Entity Common Stock, Shares Outstanding</link:label>

<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_AA240AC38CE605C4E34A65A69A3D9FB4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_dei_EntityCommonStockSharesOutstanding_AA240AC38CE605C4E34A65A69A3D9FB4" xlink:from="loc_dei_EntityCommonStockSharesOutstanding_AA240AC38CE605C4E34A65A69A3D9FB4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_2558297B687B006DC3A165A69A3D4588" id="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_2558297B687B006DC3A165A69A3D4588_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_2558297B687B006DC3A165A69A3D4588" id="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_2558297B687B006DC3A165A69A3D4588_label_en-US">Stockholders' Equity Note Disclosure [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_2558297B687B006DC3A165A69A3D4588"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_2558297B687B006DC3A165A69A3D4588" xlink:from="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_2558297B687B006DC3A165A69A3D4588" 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_LineofCreditLongTermDebtAbstract_B8ABFF2AC5B665B0C85565A69B56D379" id="lab_htld_LineofCreditLongTermDebtAbstract_B8ABFF2AC5B665B0C85565A69B56D379_label_en-US">Line of Credit, Long-Term Debt [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_LineofCreditLongTermDebtAbstract_B8ABFF2AC5B665B0C85565A69B56D379" id="lab_htld_LineofCreditLongTermDebtAbstract_B8ABFF2AC5B665B0C85565A69B56D379_documentation_en-US">Line of Credit, Long-Term Debt [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_LineofCreditLongTermDebtAbstract" xlink:label="loc_htld_LineofCreditLongTermDebtAbstract_B8ABFF2AC5B665B0C85565A69B56D379"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_LineofCreditLongTermDebtAbstract_B8ABFF2AC5B665B0C85565A69B56D379" xlink:from="loc_htld_LineofCreditLongTermDebtAbstract_B8ABFF2AC5B665B0C85565A69B56D379" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_E21BCE3F680A6530156C65A69B562907" id="lab_us-gaap_LongTermDebtTextBlock_E21BCE3F680A6530156C65A69B562907_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_LongTermDebtTextBlock_E21BCE3F680A6530156C65A69B562907" id="lab_us-gaap_LongTermDebtTextBlock_E21BCE3F680A6530156C65A69B562907_label_en-US">Long-term Debt [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtTextBlock" xlink:label="loc_us-gaap_LongTermDebtTextBlock_E21BCE3F680A6530156C65A69B562907"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LongTermDebtTextBlock_E21BCE3F680A6530156C65A69B562907" xlink:from="loc_us-gaap_LongTermDebtTextBlock_E21BCE3F680A6530156C65A69B562907" 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_StockBasedCompensationAbstract_1EF8AD8F64FD1E714DEF1A13B6062DB6" id="lab_htld_StockBasedCompensationAbstract_1EF8AD8F64FD1E714DEF1A13B6062DB6_label_en-US">Stock-Based Compensation [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_StockBasedCompensationAbstract_1EF8AD8F64FD1E714DEF1A13B6062DB6" id="lab_htld_StockBasedCompensationAbstract_1EF8AD8F64FD1E714DEF1A13B6062DB6_documentation_en-US">Stock-Based Compensation [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_StockBasedCompensationAbstract" xlink:label="loc_htld_StockBasedCompensationAbstract_1EF8AD8F64FD1E714DEF1A13B6062DB6"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_StockBasedCompensationAbstract_1EF8AD8F64FD1E714DEF1A13B6062DB6" xlink:from="loc_htld_StockBasedCompensationAbstract_1EF8AD8F64FD1E714DEF1A13B6062DB6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_060E54DE11F88240172A1A13B6062F34" id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_060E54DE11F88240172A1A13B6062F34_terseLabel_en-US">Schedule of Share-based Compensation Arrangements by Share-based Payment Award [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_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_060E54DE11F88240172A1A13B6062F34" id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_060E54DE11F88240172A1A13B6062F34_label_en-US">Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_060E54DE11F88240172A1A13B6062F34"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_060E54DE11F88240172A1A13B6062F34" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_060E54DE11F88240172A1A13B6062F34" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_F55A76A3145943ECE5A61A13B606C57A" id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_F55A76A3145943ECE5A61A13B606C57A_terseLabel_en-US">Exercise Price 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_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_F55A76A3145943ECE5A61A13B606C57A" id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_F55A76A3145943ECE5A61A13B606C57A_label_en-US">Exercise Price Range [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_F55A76A3145943ECE5A61A13B606C57A"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_F55A76A3145943ECE5A61A13B606C57A" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_F55A76A3145943ECE5A61A13B606C57A" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_7D311F4788A3288BC9091A13B606A582" id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_7D311F4788A3288BC9091A13B606A582_terseLabel_en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price 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_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_7D311F4788A3288BC9091A13B606A582" id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_7D311F4788A3288BC9091A13B606A582_label_en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_7D311F4788A3288BC9091A13B606A582"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_7D311F4788A3288BC9091A13B606A582" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_7D311F4788A3288BC9091A13B606A582" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_MinimumMember_8245EC5F1DA9251686F81A13B60768FF" id="lab_srt_MinimumMember_8245EC5F1DA9251686F81A13B60768FF_terseLabel_en-US">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_srt_MinimumMember_8245EC5F1DA9251686F81A13B60768FF" id="lab_srt_MinimumMember_8245EC5F1DA9251686F81A13B60768FF_label_en-US">Minimum [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_8245EC5F1DA9251686F81A13B60768FF"/>

<link:labelArc xlink:type="arc" xlink:to="lab_srt_MinimumMember_8245EC5F1DA9251686F81A13B60768FF" xlink:from="loc_srt_MinimumMember_8245EC5F1DA9251686F81A13B60768FF" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_MaximumMember_EC8361C92FA9651913371A13B607E59F" id="lab_srt_MaximumMember_EC8361C92FA9651913371A13B607E59F_terseLabel_en-US">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_srt_MaximumMember_EC8361C92FA9651913371A13B607E59F" id="lab_srt_MaximumMember_EC8361C92FA9651913371A13B607E59F_label_en-US">Maximum [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_EC8361C92FA9651913371A13B607E59F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_srt_MaximumMember_EC8361C92FA9651913371A13B607E59F" xlink:from="loc_srt_MaximumMember_EC8361C92FA9651913371A13B607E59F" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FFEC391A0F87D5356BCD1A13B607B715" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FFEC391A0F87D5356BCD1A13B607B715_terseLabel_en-US">Share-based Compensation Arrangement by Share-based Payment Award [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_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FFEC391A0F87D5356BCD1A13B607B715" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FFEC391A0F87D5356BCD1A13B607B715_label_en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FFEC391A0F87D5356BCD1A13B607B715"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FFEC391A0F87D5356BCD1A13B607B715" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FFEC391A0F87D5356BCD1A13B607B715" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_Weightedaveragefairvaluepriceofstockawardslower_219C633540D76365E9B91A13B60749CB" id="lab_htld_Weightedaveragefairvaluepriceofstockawardslower_219C633540D76365E9B91A13B60749CB_terseLabel_en-US">Weighted average fair value price of stock awards lower</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Weightedaveragefairvaluepriceofstockawardslower_219C633540D76365E9B91A13B60749CB" id="lab_htld_Weightedaveragefairvaluepriceofstockawardslower_219C633540D76365E9B91A13B60749CB_label_en-US">weighted average fair value price of stock awards lower</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Weightedaveragefairvaluepriceofstockawardslower_219C633540D76365E9B91A13B60749CB" id="lab_htld_Weightedaveragefairvaluepriceofstockawardslower_219C633540D76365E9B91A13B60749CB_documentation_en-US">weighted average fair value price of stock awards higher</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_Weightedaveragefairvaluepriceofstockawardslower" xlink:label="loc_htld_Weightedaveragefairvaluepriceofstockawardslower_219C633540D76365E9B91A13B60749CB"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_Weightedaveragefairvaluepriceofstockawardslower_219C633540D76365E9B91A13B60749CB" xlink:from="loc_htld_Weightedaveragefairvaluepriceofstockawardslower_219C633540D76365E9B91A13B60749CB" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_Weightedaveragefairvaluepriceofstockawardsupper_DFC18BE02F9E267A4E5D1A13B6082E59" id="lab_htld_Weightedaveragefairvaluepriceofstockawardsupper_DFC18BE02F9E267A4E5D1A13B6082E59_terseLabel_en-US">weighted average fair value price of stock awards upper</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Weightedaveragefairvaluepriceofstockawardsupper_DFC18BE02F9E267A4E5D1A13B6082E59" id="lab_htld_Weightedaveragefairvaluepriceofstockawardsupper_DFC18BE02F9E267A4E5D1A13B6082E59_label_en-US">weighted average fair value price of stock awards upper</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Weightedaveragefairvaluepriceofstockawardsupper_DFC18BE02F9E267A4E5D1A13B6082E59" id="lab_htld_Weightedaveragefairvaluepriceofstockawardsupper_DFC18BE02F9E267A4E5D1A13B6082E59_documentation_en-US">weighted average fair value price of stock awards</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_Weightedaveragefairvaluepriceofstockawardsupper" xlink:label="loc_htld_Weightedaveragefairvaluepriceofstockawardsupper_DFC18BE02F9E267A4E5D1A13B6082E59"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_Weightedaveragefairvaluepriceofstockawardsupper_DFC18BE02F9E267A4E5D1A13B6082E59" xlink:from="loc_htld_Weightedaveragefairvaluepriceofstockawardsupper_DFC18BE02F9E267A4E5D1A13B6082E59" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_A99A6D2D8248AD04876E1A13B6083C63" id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_A99A6D2D8248AD04876E1A13B6083C63_terseLabel_en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition</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_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_A99A6D2D8248AD04876E1A13B6083C63" id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_A99A6D2D8248AD04876E1A13B6083C63_label_en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_A99A6D2D8248AD04876E1A13B6083C63"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_A99A6D2D8248AD04876E1A13B6083C63" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_A99A6D2D8248AD04876E1A13B6083C63" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_RestrictedStockSharesAuthorized_694E3FEB24DE93BBBE6E1A13B608D2FA" id="lab_htld_RestrictedStockSharesAuthorized_694E3FEB24DE93BBBE6E1A13B608D2FA_terseLabel_en-US">Restricted 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_htld_RestrictedStockSharesAuthorized_694E3FEB24DE93BBBE6E1A13B608D2FA" id="lab_htld_RestrictedStockSharesAuthorized_694E3FEB24DE93BBBE6E1A13B608D2FA_label_en-US">Restricted Stock Shares Authorized</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_RestrictedStockSharesAuthorized_694E3FEB24DE93BBBE6E1A13B608D2FA" id="lab_htld_RestrictedStockSharesAuthorized_694E3FEB24DE93BBBE6E1A13B608D2FA_documentation_en-US">Restricted Stock Shares Authorized</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_RestrictedStockSharesAuthorized" xlink:label="loc_htld_RestrictedStockSharesAuthorized_694E3FEB24DE93BBBE6E1A13B608D2FA"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_RestrictedStockSharesAuthorized_694E3FEB24DE93BBBE6E1A13B608D2FA" xlink:from="loc_htld_RestrictedStockSharesAuthorized_694E3FEB24DE93BBBE6E1A13B608D2FA" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ShareBasedCompensation_8D8C4D515FD51DD9EC5D1A13B608C043" id="lab_us-gaap_ShareBasedCompensation_8D8C4D515FD51DD9EC5D1A13B608C043_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_ShareBasedCompensation_8D8C4D515FD51DD9EC5D1A13B608C043" id="lab_us-gaap_ShareBasedCompensation_8D8C4D515FD51DD9EC5D1A13B608C043_label_en-US">Share-based Compensation</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_8D8C4D515FD51DD9EC5D1A13B608C043"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ShareBasedCompensation_8D8C4D515FD51DD9EC5D1A13B608C043" xlink:from="loc_us-gaap_ShareBasedCompensation_8D8C4D515FD51DD9EC5D1A13B608C043" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_020516FF372E0DAFE7531A13B6089130" id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_020516FF372E0DAFE7531A13B6089130_terseLabel_en-US">Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet 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_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_020516FF372E0DAFE7531A13B6089130" id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_020516FF372E0DAFE7531A13B6089130_label_en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_020516FF372E0DAFE7531A13B6089130"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_020516FF372E0DAFE7531A13B6089130" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_020516FF372E0DAFE7531A13B6089130" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5DB4D381A63A23C772781A13B6089566" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5DB4D381A63A23C772781A13B6089566_terseLabel_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5DB4D381A63A23C772781A13B6089566" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5DB4D381A63A23C772781A13B6089566_label_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5DB4D381A63A23C772781A13B6089566"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5DB4D381A63A23C772781A13B6089566" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_5DB4D381A63A23C772781A13B6089566" 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_ABBBC124F07EB4BDAC841A13B6083F72" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_ABBBC124F07EB4BDAC841A13B6083F72_periodStartLabel_en-US">Unvested at beginning of year, Number of Restricted Stock Awards (in 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_ABBBC124F07EB4BDAC841A13B6083F72" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_ABBBC124F07EB4BDAC841A13B6083F72_label_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_ABBBC124F07EB4BDAC841A13B6083F72"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_ABBBC124F07EB4BDAC841A13B6083F72" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_ABBBC124F07EB4BDAC841A13B6083F72" 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_ECAD9B3DCE3211717BC71A13B609154E" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_ECAD9B3DCE3211717BC71A13B609154E_periodStartLabel_en-US">Unvested at beginning of year, Weighted Average Grant Date Fair Value (in dollars)</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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_ECAD9B3DCE3211717BC71A13B609154E" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_ECAD9B3DCE3211717BC71A13B609154E_label_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_ECAD9B3DCE3211717BC71A13B609154E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_ECAD9B3DCE3211717BC71A13B609154E" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_ECAD9B3DCE3211717BC71A13B609154E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_53E30AFB8771F60239121A13B6094BE0" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_53E30AFB8771F60239121A13B6094BE0_terseLabel_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_53E30AFB8771F60239121A13B6094BE0" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_53E30AFB8771F60239121A13B6094BE0_label_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_53E30AFB8771F60239121A13B6094BE0"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_53E30AFB8771F60239121A13B6094BE0" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_53E30AFB8771F60239121A13B6094BE0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_7986A2593A03B56120751A13B6095607" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_7986A2593A03B56120751A13B6095607_terseLabel_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_7986A2593A03B56120751A13B6095607" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_7986A2593A03B56120751A13B6095607_label_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_7986A2593A03B56120751A13B6095607"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_7986A2593A03B56120751A13B6095607" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_7986A2593A03B56120751A13B6095607" 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_0BFD5847ECA56FAA3BB61A13B60982D6" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_0BFD5847ECA56FAA3BB61A13B60982D6_negatedTerseLabel_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_0BFD5847ECA56FAA3BB61A13B60982D6" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_0BFD5847ECA56FAA3BB61A13B60982D6_label_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_0BFD5847ECA56FAA3BB61A13B60982D6"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_0BFD5847ECA56FAA3BB61A13B60982D6" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_0BFD5847ECA56FAA3BB61A13B60982D6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_D70649FBC24638D0EB731A13B609BF1A" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_D70649FBC24638D0EB731A13B609BF1A_terseLabel_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_D70649FBC24638D0EB731A13B609BF1A" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_D70649FBC24638D0EB731A13B609BF1A_label_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_D70649FBC24638D0EB731A13B609BF1A"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_D70649FBC24638D0EB731A13B609BF1A" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_D70649FBC24638D0EB731A13B609BF1A" 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_C9C36B74EDD82ADCD3B31A13B60A1986" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_C9C36B74EDD82ADCD3B31A13B60A1986_negatedTerseLabel_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_C9C36B74EDD82ADCD3B31A13B60A1986" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_C9C36B74EDD82ADCD3B31A13B60A1986_label_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_C9C36B74EDD82ADCD3B31A13B60A1986"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_C9C36B74EDD82ADCD3B31A13B60A1986" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_C9C36B74EDD82ADCD3B31A13B60A1986" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_8A4B12EAE0F57A9499C31A13B60ADA9D" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_8A4B12EAE0F57A9499C31A13B60ADA9D_terseLabel_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_8A4B12EAE0F57A9499C31A13B60ADA9D" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_8A4B12EAE0F57A9499C31A13B60ADA9D_label_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_8A4B12EAE0F57A9499C31A13B60ADA9D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_8A4B12EAE0F57A9499C31A13B60ADA9D" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_8A4B12EAE0F57A9499C31A13B60ADA9D" 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_835EC26241BF284A865C1A13B60AE8B9" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_835EC26241BF284A865C1A13B60AE8B9_periodEndLabel_en-US">Outstanding (unvested) at end of year, Number of Restricted Stock Awards (in shares)</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_835EC26241BF284A865C1A13B60AE8B9"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_835EC26241BF284A865C1A13B60AE8B9" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_835EC26241BF284A865C1A13B60AE8B9" 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_73E81347D5AF673297AD1A13B60A7BDE" id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_73E81347D5AF673297AD1A13B60A7BDE_periodEndLabel_en-US">Outstanding (unvested) at end of year, Weighted Average Grant Date Fair Value (in dollars)</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_73E81347D5AF673297AD1A13B60A7BDE"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_73E81347D5AF673297AD1A13B60A7BDE" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_73E81347D5AF673297AD1A13B60A7BDE" 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_SubsequentEventsAbstract_82D801BCB8478D7466FD1AF6D02E4BD5" id="lab_us-gaap_SubsequentEventsAbstract_82D801BCB8478D7466FD1AF6D02E4BD5_label_en-US">Subsequent Events [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="loc_us-gaap_SubsequentEventsAbstract_82D801BCB8478D7466FD1AF6D02E4BD5"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SubsequentEventsAbstract_82D801BCB8478D7466FD1AF6D02E4BD5" xlink:from="loc_us-gaap_SubsequentEventsAbstract_82D801BCB8478D7466FD1AF6D02E4BD5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_SubsequentEventsPolicyPolicyTextBlock_3602C943CDB27CB5A9001AF6D02E0F09" id="lab_us-gaap_SubsequentEventsPolicyPolicyTextBlock_3602C943CDB27CB5A9001AF6D02E0F09_terseLabel_en-US">Subsequent Events, 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_SubsequentEventsPolicyPolicyTextBlock_3602C943CDB27CB5A9001AF6D02E0F09" id="lab_us-gaap_SubsequentEventsPolicyPolicyTextBlock_3602C943CDB27CB5A9001AF6D02E0F09_label_en-US">Subsequent Events, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_SubsequentEventsPolicyPolicyTextBlock_3602C943CDB27CB5A9001AF6D02E0F09"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SubsequentEventsPolicyPolicyTextBlock_3602C943CDB27CB5A9001AF6D02E0F09" xlink:from="loc_us-gaap_SubsequentEventsPolicyPolicyTextBlock_3602C943CDB27CB5A9001AF6D02E0F09" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_CommitmentsAndContingenciesDisclosureTextBlock_FC2E68F1044368E6AC3865A69A9B65B0" id="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_FC2E68F1044368E6AC3865A69A9B65B0_terseLabel_en-US">Commitments and 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_CommitmentsAndContingenciesDisclosureTextBlock_FC2E68F1044368E6AC3865A69A9B65B0" id="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_FC2E68F1044368E6AC3865A69A9B65B0_label_en-US">Commitments and Contingencies Disclosure [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_FC2E68F1044368E6AC3865A69A9B65B0"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_FC2E68F1044368E6AC3865A69A9B65B0" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_FC2E68F1044368E6AC3865A69A9B65B0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_33F5FCE8DA7A3E98E90F65A69B08E23B" id="lab_us-gaap_StatementScenarioAxis_33F5FCE8DA7A3E98E90F65A69B08E23B_terseLabel_en-US">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_33F5FCE8DA7A3E98E90F65A69B08E23B" id="lab_us-gaap_StatementScenarioAxis_33F5FCE8DA7A3E98E90F65A69B08E23B_label_en-US">Scenario [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_33F5FCE8DA7A3E98E90F65A69B08E23B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StatementScenarioAxis_33F5FCE8DA7A3E98E90F65A69B08E23B" xlink:from="loc_us-gaap_StatementScenarioAxis_33F5FCE8DA7A3E98E90F65A69B08E23B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_AB53A0CF67E66E56753A65A69B08D20E" id="lab_us-gaap_ScenarioUnspecifiedDomain_AB53A0CF67E66E56753A65A69B08D20E_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_AB53A0CF67E66E56753A65A69B08D20E" id="lab_us-gaap_ScenarioUnspecifiedDomain_AB53A0CF67E66E56753A65A69B08D20E_label_en-US">Scenario, Unspecified [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_AB53A0CF67E66E56753A65A69B08D20E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ScenarioUnspecifiedDomain_AB53A0CF67E66E56753A65A69B08D20E" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_AB53A0CF67E66E56753A65A69B08D20E" 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_CommonStockDividendsPerShareDeclared_C3DE4EEBCA7D4B9676F265A69B089AF6" id="lab_us-gaap_CommonStockDividendsPerShareDeclared_C3DE4EEBCA7D4B9676F265A69B089AF6_verboseLabel_en-US">Dividends declared per share</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_C3DE4EEBCA7D4B9676F265A69B089AF6"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CommonStockDividendsPerShareDeclared_C3DE4EEBCA7D4B9676F265A69B089AF6" xlink:from="loc_us-gaap_CommonStockDividendsPerShareDeclared_C3DE4EEBCA7D4B9676F265A69B089AF6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ScheduleOfSegmentReportingInformationBySegmentTable_255B7CB0824DF82582BC65A69A3DF756" id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_255B7CB0824DF82582BC65A69A3DF756_terseLabel_en-US">Schedule of Segment Reporting Information, by Segment [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_ScheduleOfSegmentReportingInformationBySegmentTable_255B7CB0824DF82582BC65A69A3DF756" id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_255B7CB0824DF82582BC65A69A3DF756_label_en-US">Schedule of Segment Reporting Information, by Segment [Table]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_255B7CB0824DF82582BC65A69A3DF756"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_255B7CB0824DF82582BC65A69A3DF756" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_255B7CB0824DF82582BC65A69A3DF756" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_ConsolidationItemsAxis_CD951AE527548969286065A69A3D77F7" id="lab_srt_ConsolidationItemsAxis_CD951AE527548969286065A69A3D77F7_terseLabel_en-US">Consolidation Items [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_ConsolidationItemsAxis_CD951AE527548969286065A69A3D77F7" id="lab_srt_ConsolidationItemsAxis_CD951AE527548969286065A69A3D77F7_label_en-US">Consolidation Items [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ConsolidationItemsAxis" xlink:label="loc_srt_ConsolidationItemsAxis_CD951AE527548969286065A69A3D77F7"/>

<link:labelArc xlink:type="arc" xlink:to="lab_srt_ConsolidationItemsAxis_CD951AE527548969286065A69A3D77F7" xlink:from="loc_srt_ConsolidationItemsAxis_CD951AE527548969286065A69A3D77F7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_ConsolidationItemsDomain_EB0E74F9A9418B613DDF65A69A3DDACB" id="lab_srt_ConsolidationItemsDomain_EB0E74F9A9418B613DDF65A69A3DDACB_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_srt_ConsolidationItemsDomain_EB0E74F9A9418B613DDF65A69A3DDACB" id="lab_srt_ConsolidationItemsDomain_EB0E74F9A9418B613DDF65A69A3DDACB_label_en-US">Consolidation Items [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_EB0E74F9A9418B613DDF65A69A3DDACB"/>

<link:labelArc xlink:type="arc" xlink:to="lab_srt_ConsolidationItemsDomain_EB0E74F9A9418B613DDF65A69A3DDACB" xlink:from="loc_srt_ConsolidationItemsDomain_EB0E74F9A9418B613DDF65A69A3DDACB" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_B434DE1382664EFEF03A65A69A3DEF0F" id="lab_us-gaap_StatementBusinessSegmentsAxis_B434DE1382664EFEF03A65A69A3DEF0F_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_B434DE1382664EFEF03A65A69A3DEF0F" id="lab_us-gaap_StatementBusinessSegmentsAxis_B434DE1382664EFEF03A65A69A3DEF0F_label_en-US">Segments [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_B434DE1382664EFEF03A65A69A3DEF0F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StatementBusinessSegmentsAxis_B434DE1382664EFEF03A65A69A3DEF0F" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_B434DE1382664EFEF03A65A69A3DEF0F" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_BC23ECB93D57C5676DEE65A69A3DB173" id="lab_us-gaap_SegmentDomain_BC23ECB93D57C5676DEE65A69A3DB173_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_BC23ECB93D57C5676DEE65A69A3DB173" id="lab_us-gaap_SegmentDomain_BC23ECB93D57C5676DEE65A69A3DB173_label_en-US">Segments [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_BC23ECB93D57C5676DEE65A69A3DB173"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SegmentDomain_BC23ECB93D57C5676DEE65A69A3DB173" xlink:from="loc_us-gaap_SegmentDomain_BC23ECB93D57C5676DEE65A69A3DB173" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_SubsegmentsAxis_8387087DC9FE8B63280D65A69A3D9DA0" id="lab_us-gaap_SubsegmentsAxis_8387087DC9FE8B63280D65A69A3D9DA0_terseLabel_en-US">Subsegments [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_SubsegmentsAxis_8387087DC9FE8B63280D65A69A3D9DA0" id="lab_us-gaap_SubsegmentsAxis_8387087DC9FE8B63280D65A69A3D9DA0_label_en-US">Subsegments [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsegmentsAxis" xlink:label="loc_us-gaap_SubsegmentsAxis_8387087DC9FE8B63280D65A69A3D9DA0"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SubsegmentsAxis_8387087DC9FE8B63280D65A69A3D9DA0" xlink:from="loc_us-gaap_SubsegmentsAxis_8387087DC9FE8B63280D65A69A3D9DA0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_SubsegmentsDomain_403AF5F39343E5ED51EC65A69A3DFD05" id="lab_us-gaap_SubsegmentsDomain_403AF5F39343E5ED51EC65A69A3DFD05_terseLabel_en-US">Subsegments [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_SubsegmentsDomain_403AF5F39343E5ED51EC65A69A3DFD05" id="lab_us-gaap_SubsegmentsDomain_403AF5F39343E5ED51EC65A69A3DFD05_label_en-US">Subsegments [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsegmentsDomain" xlink:label="loc_us-gaap_SubsegmentsDomain_403AF5F39343E5ED51EC65A69A3DFD05"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SubsegmentsDomain_403AF5F39343E5ED51EC65A69A3DFD05" xlink:from="loc_us-gaap_SubsegmentsDomain_403AF5F39343E5ED51EC65A69A3DFD05" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_SubsegmentsConsolidationItemsAxis_6C291E5DE2E26B5AA08F65A69A3DD12F" id="lab_us-gaap_SubsegmentsConsolidationItemsAxis_6C291E5DE2E26B5AA08F65A69A3DD12F_terseLabel_en-US">Subsegments Consolidation Items [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_SubsegmentsConsolidationItemsAxis_6C291E5DE2E26B5AA08F65A69A3DD12F" id="lab_us-gaap_SubsegmentsConsolidationItemsAxis_6C291E5DE2E26B5AA08F65A69A3DD12F_label_en-US">Subsegments Consolidation Items [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsegmentsConsolidationItemsAxis" xlink:label="loc_us-gaap_SubsegmentsConsolidationItemsAxis_6C291E5DE2E26B5AA08F65A69A3DD12F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SubsegmentsConsolidationItemsAxis_6C291E5DE2E26B5AA08F65A69A3DD12F" xlink:from="loc_us-gaap_SubsegmentsConsolidationItemsAxis_6C291E5DE2E26B5AA08F65A69A3DD12F" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_SubsegmentsConsolidationItemsDomain_DD002746756595407F3B65A69A3D1928" id="lab_us-gaap_SubsegmentsConsolidationItemsDomain_DD002746756595407F3B65A69A3D1928_terseLabel_en-US">Subsegments 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_SubsegmentsConsolidationItemsDomain_DD002746756595407F3B65A69A3D1928" id="lab_us-gaap_SubsegmentsConsolidationItemsDomain_DD002746756595407F3B65A69A3D1928_label_en-US">Subsegments Consolidation Items [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsegmentsConsolidationItemsDomain" xlink:label="loc_us-gaap_SubsegmentsConsolidationItemsDomain_DD002746756595407F3B65A69A3D1928"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SubsegmentsConsolidationItemsDomain_DD002746756595407F3B65A69A3D1928" xlink:from="loc_us-gaap_SubsegmentsConsolidationItemsDomain_DD002746756595407F3B65A69A3D1928" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_SegmentReportingInformationLineItems_0C414BECE20C9BF52BBC65A69A3DECB6" id="lab_us-gaap_SegmentReportingInformationLineItems_0C414BECE20C9BF52BBC65A69A3DECB6_terseLabel_en-US">Segment Reporting 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_us-gaap_SegmentReportingInformationLineItems_0C414BECE20C9BF52BBC65A69A3DECB6" id="lab_us-gaap_SegmentReportingInformationLineItems_0C414BECE20C9BF52BBC65A69A3DECB6_label_en-US">Segment Reporting Information [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_0C414BECE20C9BF52BBC65A69A3DECB6"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SegmentReportingInformationLineItems_0C414BECE20C9BF52BBC65A69A3DECB6" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_0C414BECE20C9BF52BBC65A69A3DECB6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_82FB365F9C744999127A65A69A3DCDDE" id="lab_us-gaap_NumberOfReportableSegments_82FB365F9C744999127A65A69A3DCDDE_terseLabel_en-US">Number of 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_82FB365F9C744999127A65A69A3DCDDE" id="lab_us-gaap_NumberOfReportableSegments_82FB365F9C744999127A65A69A3DCDDE_label_en-US">Number of Reportable Segments</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="loc_us-gaap_NumberOfReportableSegments_82FB365F9C744999127A65A69A3DCDDE"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NumberOfReportableSegments_82FB365F9C744999127A65A69A3DCDDE" xlink:from="loc_us-gaap_NumberOfReportableSegments_82FB365F9C744999127A65A69A3DCDDE" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ACDC5D81C048DA9C499C65A69AD94ED6" id="lab_us-gaap_DebtInstrumentTable_ACDC5D81C048DA9C499C65A69AD94ED6_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_ACDC5D81C048DA9C499C65A69AD94ED6" id="lab_us-gaap_DebtInstrumentTable_ACDC5D81C048DA9C499C65A69AD94ED6_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_ACDC5D81C048DA9C499C65A69AD94ED6"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DebtInstrumentTable_ACDC5D81C048DA9C499C65A69AD94ED6" xlink:from="loc_us-gaap_DebtInstrumentTable_ACDC5D81C048DA9C499C65A69AD94ED6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_12490DE5082337350E7565A69AD9EDF8" id="lab_us-gaap_VariableRateAxis_12490DE5082337350E7565A69AD9EDF8_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_12490DE5082337350E7565A69AD9EDF8" id="lab_us-gaap_VariableRateAxis_12490DE5082337350E7565A69AD9EDF8_label_en-US">Variable Rate [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_12490DE5082337350E7565A69AD9EDF8"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_VariableRateAxis_12490DE5082337350E7565A69AD9EDF8" xlink:from="loc_us-gaap_VariableRateAxis_12490DE5082337350E7565A69AD9EDF8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_6E805EDE3DFADDF0DA9A65A69AD92008" id="lab_us-gaap_VariableRateDomain_6E805EDE3DFADDF0DA9A65A69AD92008_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_6E805EDE3DFADDF0DA9A65A69AD92008" id="lab_us-gaap_VariableRateDomain_6E805EDE3DFADDF0DA9A65A69AD92008_label_en-US">Variable Rate [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_6E805EDE3DFADDF0DA9A65A69AD92008"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_VariableRateDomain_6E805EDE3DFADDF0DA9A65A69AD92008" xlink:from="loc_us-gaap_VariableRateDomain_6E805EDE3DFADDF0DA9A65A69AD92008" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_68F11AEE7C8330F688C965A69AD933EB" id="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_68F11AEE7C8330F688C965A69AD933EB_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_68F11AEE7C8330F688C965A69AD933EB" id="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_68F11AEE7C8330F688C965A69AD933EB_label_en-US">London Interbank Offered Rate (LIBOR) [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_68F11AEE7C8330F688C965A69AD933EB"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_68F11AEE7C8330F688C965A69AD933EB" xlink:from="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_68F11AEE7C8330F688C965A69AD933EB" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_PrimeRateMember_74E80F6BDFEB5326124B65A69AD94150" id="lab_us-gaap_PrimeRateMember_74E80F6BDFEB5326124B65A69AD94150_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_74E80F6BDFEB5326124B65A69AD94150" id="lab_us-gaap_PrimeRateMember_74E80F6BDFEB5326124B65A69AD94150_label_en-US">Prime Rate [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PrimeRateMember" xlink:label="loc_us-gaap_PrimeRateMember_74E80F6BDFEB5326124B65A69AD94150"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PrimeRateMember_74E80F6BDFEB5326124B65A69AD94150" xlink:from="loc_us-gaap_PrimeRateMember_74E80F6BDFEB5326124B65A69AD94150" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_DebtInstrumentLineItems_1A85CCDE058B8F31032F65A69AD9F797" id="lab_us-gaap_DebtInstrumentLineItems_1A85CCDE058B8F31032F65A69AD9F797_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_1A85CCDE058B8F31032F65A69AD9F797" id="lab_us-gaap_DebtInstrumentLineItems_1A85CCDE058B8F31032F65A69AD9F797_label_en-US">Debt Instrument [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_1A85CCDE058B8F31032F65A69AD9F797"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DebtInstrumentLineItems_1A85CCDE058B8F31032F65A69AD9F797" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1A85CCDE058B8F31032F65A69AD9F797" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_LineOfCreditFacilityMaximumBorrowingCapacity_1B05A159E59FD692F9F065A69AD9DF82" id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_1B05A159E59FD692F9F065A69AD9DF82_terseLabel_en-US">Line of Credit Facility, Maximum Borrowing Capacity, 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_LineOfCreditFacilityMaximumBorrowingCapacity_1B05A159E59FD692F9F065A69AD9DF82" id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_1B05A159E59FD692F9F065A69AD9DF82_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_1B05A159E59FD692F9F065A69AD9DF82"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_1B05A159E59FD692F9F065A69AD9DF82" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_1B05A159E59FD692F9F065A69AD9DF82" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_42DDB7995935F12D059865A69AD972BF" id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_42DDB7995935F12D059865A69AD972BF_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_42DDB7995935F12D059865A69AD972BF" id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_42DDB7995935F12D059865A69AD972BF_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_42DDB7995935F12D059865A69AD972BF"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_42DDB7995935F12D059865A69AD972BF" xlink:from="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_42DDB7995935F12D059865A69AD972BF" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_1AD2D74C922EB392B0C865A69AD9AB9A" id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_1AD2D74C922EB392B0C865A69AD9AB9A_terseLabel_en-US">Line of Credit Facility, Unused Capacity, 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_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_1AD2D74C922EB392B0C865A69AD9AB9A" id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_1AD2D74C922EB392B0C865A69AD9AB9A_label_en-US">Line of Credit Facility, Unused Capacity, Commitment Fee Percentage</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_1AD2D74C922EB392B0C865A69AD9AB9A"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_1AD2D74C922EB392B0C865A69AD9AB9A" xlink:from="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_1AD2D74C922EB392B0C865A69AD9AB9A" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_84D66B29E9C6FCC6B7B465A69AD9D76C" id="lab_htld_DebtInstrumentCovenantLeverageRatio_84D66B29E9C6FCC6B7B465A69AD9D76C_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_84D66B29E9C6FCC6B7B465A69AD9D76C" id="lab_htld_DebtInstrumentCovenantLeverageRatio_84D66B29E9C6FCC6B7B465A69AD9D76C_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_84D66B29E9C6FCC6B7B465A69AD9D76C" id="lab_htld_DebtInstrumentCovenantLeverageRatio_84D66B29E9C6FCC6B7B465A69AD9D76C_documentation_en-US">Debt Instrument, Covenant, Leverage Ratio</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_DebtInstrumentCovenantLeverageRatio" xlink:label="loc_htld_DebtInstrumentCovenantLeverageRatio_84D66B29E9C6FCC6B7B465A69AD9D76C"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_DebtInstrumentCovenantLeverageRatio_84D66B29E9C6FCC6B7B465A69AD9D76C" xlink:from="loc_htld_DebtInstrumentCovenantLeverageRatio_84D66B29E9C6FCC6B7B465A69AD9D76C" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_638B6C25C683F1F2773F65A69AD9A82E" id="lab_htld_DebtCovenantMinimumNetIncomeRequirement_638B6C25C683F1F2773F65A69AD9A82E_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_638B6C25C683F1F2773F65A69AD9A82E" id="lab_htld_DebtCovenantMinimumNetIncomeRequirement_638B6C25C683F1F2773F65A69AD9A82E_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_638B6C25C683F1F2773F65A69AD9A82E" id="lab_htld_DebtCovenantMinimumNetIncomeRequirement_638B6C25C683F1F2773F65A69AD9A82E_documentation_en-US">Debt Covenant, Minimum Net Income Requirement</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_DebtCovenantMinimumNetIncomeRequirement" xlink:label="loc_htld_DebtCovenantMinimumNetIncomeRequirement_638B6C25C683F1F2773F65A69AD9A82E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_DebtCovenantMinimumNetIncomeRequirement_638B6C25C683F1F2773F65A69AD9A82E" xlink:from="loc_htld_DebtCovenantMinimumNetIncomeRequirement_638B6C25C683F1F2773F65A69AD9A82E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_E695F379C9902824296565A69AD92BF9" id="lab_htld_DebtCovenantMinimumTangibleNetWorth_E695F379C9902824296565A69AD92BF9_terseLabel_en-US">Debt Covenant, Minimum Tangible Net Worth</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_E695F379C9902824296565A69AD92BF9" id="lab_htld_DebtCovenantMinimumTangibleNetWorth_E695F379C9902824296565A69AD92BF9_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_E695F379C9902824296565A69AD92BF9" id="lab_htld_DebtCovenantMinimumTangibleNetWorth_E695F379C9902824296565A69AD92BF9_documentation_en-US">Debt Covenant, Minimum Tangible Net Worth</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_DebtCovenantMinimumTangibleNetWorth" xlink:label="loc_htld_DebtCovenantMinimumTangibleNetWorth_E695F379C9902824296565A69AD92BF9"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_DebtCovenantMinimumTangibleNetWorth_E695F379C9902824296565A69AD92BF9" xlink:from="loc_htld_DebtCovenantMinimumTangibleNetWorth_E695F379C9902824296565A69AD92BF9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_67F8B35C9E326ADEF40065A69AD98543" id="lab_us-gaap_LongTermDebt_67F8B35C9E326ADEF40065A69AD98543_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_67F8B35C9E326ADEF40065A69AD98543" id="lab_us-gaap_LongTermDebt_67F8B35C9E326ADEF40065A69AD98543_label_en-US">Long-term Debt</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_67F8B35C9E326ADEF40065A69AD98543"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LongTermDebt_67F8B35C9E326ADEF40065A69AD98543" xlink:from="loc_us-gaap_LongTermDebt_67F8B35C9E326ADEF40065A69AD98543" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_4689A6323AE8E0A86F4365A69AD96B7B" id="lab_us-gaap_LettersOfCreditOutstandingAmount_4689A6323AE8E0A86F4365A69AD96B7B_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_4689A6323AE8E0A86F4365A69AD96B7B" id="lab_us-gaap_LettersOfCreditOutstandingAmount_4689A6323AE8E0A86F4365A69AD96B7B_label_en-US">Letters of Credit Outstanding, Amount</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_4689A6323AE8E0A86F4365A69AD96B7B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LettersOfCreditOutstandingAmount_4689A6323AE8E0A86F4365A69AD96B7B" xlink:from="loc_us-gaap_LettersOfCreditOutstandingAmount_4689A6323AE8E0A86F4365A69AD96B7B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_LineOfCreditFacilityCurrentBorrowingCapacity_CC46525BD2D39D78896C65A69AD9554B" id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_CC46525BD2D39D78896C65A69AD9554B_terseLabel_en-US">Line of Credit Facility, Current 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_LineOfCreditFacilityCurrentBorrowingCapacity_CC46525BD2D39D78896C65A69AD9554B" id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_CC46525BD2D39D78896C65A69AD9554B_label_en-US">Line of Credit Facility, Current Borrowing Capacity</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_CC46525BD2D39D78896C65A69AD9554B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_CC46525BD2D39D78896C65A69AD9554B" xlink:from="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_CC46525BD2D39D78896C65A69AD9554B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_EarningsPerShareTextBlock_1B49883F2E17D0772C8565A69BB4964A" id="lab_us-gaap_EarningsPerShareTextBlock_1B49883F2E17D0772C8565A69BB4964A_terseLabel_en-US">Earnings 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_EarningsPerShareTextBlock_1B49883F2E17D0772C8565A69BB4964A" id="lab_us-gaap_EarningsPerShareTextBlock_1B49883F2E17D0772C8565A69BB4964A_label_en-US">Earnings Per Share [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_1B49883F2E17D0772C8565A69BB4964A"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_EarningsPerShareTextBlock_1B49883F2E17D0772C8565A69BB4964A" xlink:from="loc_us-gaap_EarningsPerShareTextBlock_1B49883F2E17D0772C8565A69BB4964A" 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_UseofEstimatesAbstract_0B5455FB56963AAE3E0F65A69AE9D724" id="lab_htld_UseofEstimatesAbstract_0B5455FB56963AAE3E0F65A69AE9D724_label_en-US">Use of Estimates [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_UseofEstimatesAbstract_0B5455FB56963AAE3E0F65A69AE9D724" id="lab_htld_UseofEstimatesAbstract_0B5455FB56963AAE3E0F65A69AE9D724_documentation_en-US">Use of Estimates [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_UseofEstimatesAbstract" xlink:label="loc_htld_UseofEstimatesAbstract_0B5455FB56963AAE3E0F65A69AE9D724"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_UseofEstimatesAbstract_0B5455FB56963AAE3E0F65A69AE9D724" xlink:from="loc_htld_UseofEstimatesAbstract_0B5455FB56963AAE3E0F65A69AE9D724" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_SignificantAccountingPoliciesTextBlock_887CC17C0ED42738F07E65A69AE93827" id="lab_us-gaap_SignificantAccountingPoliciesTextBlock_887CC17C0ED42738F07E65A69AE93827_terseLabel_en-US">Use of Estimates</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_887CC17C0ED42738F07E65A69AE93827" id="lab_us-gaap_SignificantAccountingPoliciesTextBlock_887CC17C0ED42738F07E65A69AE93827_label_en-US">Significant Accounting Policies [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_SignificantAccountingPoliciesTextBlock_887CC17C0ED42738F07E65A69AE93827"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SignificantAccountingPoliciesTextBlock_887CC17C0ED42738F07E65A69AE93827" xlink:from="loc_us-gaap_SignificantAccountingPoliciesTextBlock_887CC17C0ED42738F07E65A69AE93827" 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_PropertyPlantandDepreciationAbstract_74D27FB913006445680A65A69B37DF74" id="lab_htld_PropertyPlantandDepreciationAbstract_74D27FB913006445680A65A69B37DF74_label_en-US">Property, Plant and Depreciation [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_PropertyPlantandDepreciationAbstract_74D27FB913006445680A65A69B37DF74" id="lab_htld_PropertyPlantandDepreciationAbstract_74D27FB913006445680A65A69B37DF74_documentation_en-US">Property, Plant and Depreciation [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_PropertyPlantandDepreciationAbstract" xlink:label="loc_htld_PropertyPlantandDepreciationAbstract_74D27FB913006445680A65A69B37DF74"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_PropertyPlantandDepreciationAbstract_74D27FB913006445680A65A69B37DF74" xlink:from="loc_htld_PropertyPlantandDepreciationAbstract_74D27FB913006445680A65A69B37DF74" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_PropertyPlantAndEquipmentDisclosureTextBlock_6150A07FDDD6CBD456C865A69B371E16" id="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_6150A07FDDD6CBD456C865A69B371E16_terseLabel_en-US">Property, Equipment, and 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_PropertyPlantAndEquipmentDisclosureTextBlock_6150A07FDDD6CBD456C865A69B371E16" id="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_6150A07FDDD6CBD456C865A69B371E16_label_en-US">Property, Plant and Equipment Disclosure [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_6150A07FDDD6CBD456C865A69B371E16"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_6150A07FDDD6CBD456C865A69B371E16" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_6150A07FDDD6CBD456C865A69B371E16" 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_E7C429A34C6D43F8FED21A9B0345087B" id="lab_us-gaap_StatementOfCashFlowsAbstract_E7C429A34C6D43F8FED21A9B0345087B_label_en-US">Statement of Cash Flows [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_E7C429A34C6D43F8FED21A9B0345087B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract_E7C429A34C6D43F8FED21A9B0345087B" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_E7C429A34C6D43F8FED21A9B0345087B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_6D7E12BE719C1EB9AD2B1A9B03458770" id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_6D7E12BE719C1EB9AD2B1A9B03458770_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_6D7E12BE719C1EB9AD2B1A9B03458770" id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_6D7E12BE719C1EB9AD2B1A9B03458770_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_6D7E12BE719C1EB9AD2B1A9B03458770"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_6D7E12BE719C1EB9AD2B1A9B03458770" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_6D7E12BE719C1EB9AD2B1A9B03458770" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_1FCCB5AB95371A91A7911A9B0345B051" id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1FCCB5AB95371A91A7911A9B0345B051_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_1FCCB5AB95371A91A7911A9B0345B051" id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1FCCB5AB95371A91A7911A9B0345B051_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1FCCB5AB95371A91A7911A9B0345B051"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1FCCB5AB95371A91A7911A9B0345B051" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1FCCB5AB95371A91A7911A9B0345B051" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_559BBE01252A58C5EDE31A9B03451636" id="lab_us-gaap_DepreciationDepletionAndAmortization_559BBE01252A58C5EDE31A9B03451636_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_559BBE01252A58C5EDE31A9B03451636" id="lab_us-gaap_DepreciationDepletionAndAmortization_559BBE01252A58C5EDE31A9B03451636_label_en-US">Depreciation, Depletion and Amortization</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_559BBE01252A58C5EDE31A9B03451636"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DepreciationDepletionAndAmortization_559BBE01252A58C5EDE31A9B03451636" xlink:from="loc_us-gaap_DepreciationDepletionAndAmortization_559BBE01252A58C5EDE31A9B03451636" 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_CE2D3205F12BF17ECB391A9B034556C1" id="lab_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_CE2D3205F12BF17ECB391A9B034556C1_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_CE2D3205F12BF17ECB391A9B034556C1" id="lab_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_CE2D3205F12BF17ECB391A9B034556C1_label_en-US">Increase (Decrease) in Deferred Income Taxes</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_CE2D3205F12BF17ECB391A9B034556C1"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_CE2D3205F12BF17ECB391A9B034556C1" xlink:from="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_CE2D3205F12BF17ECB391A9B034556C1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_AllocatedShareBasedCompensationExpense_6536260CB59A0EEC6A3A1A9B034529B8" id="lab_us-gaap_AllocatedShareBasedCompensationExpense_6536260CB59A0EEC6A3A1A9B034529B8_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_AllocatedShareBasedCompensationExpense_6536260CB59A0EEC6A3A1A9B034529B8" id="lab_us-gaap_AllocatedShareBasedCompensationExpense_6536260CB59A0EEC6A3A1A9B034529B8_label_en-US">Allocated Share-based Compensation Expense</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_6536260CB59A0EEC6A3A1A9B034529B8"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_AllocatedShareBasedCompensationExpense_6536260CB59A0EEC6A3A1A9B034529B8" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpense_6536260CB59A0EEC6A3A1A9B034529B8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_25565471FD1C2C2B41591A9B0345C15D" id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_25565471FD1C2C2B41591A9B0345C15D_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_25565471FD1C2C2B41591A9B0345C15D" id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_25565471FD1C2C2B41591A9B0345C15D_label_en-US">Increase (Decrease) in Operating Capital [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_25565471FD1C2C2B41591A9B0345C15D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_25565471FD1C2C2B41591A9B0345C15D" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_25565471FD1C2C2B41591A9B0345C15D" 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_E569CC3D3CEA2FF7892F1A9B0345D5B2" id="lab_us-gaap_IncreaseDecreaseInReceivables_E569CC3D3CEA2FF7892F1A9B0345D5B2_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_E569CC3D3CEA2FF7892F1A9B0345D5B2" id="lab_us-gaap_IncreaseDecreaseInReceivables_E569CC3D3CEA2FF7892F1A9B0345D5B2_label_en-US">Increase (Decrease) in Receivables</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_E569CC3D3CEA2FF7892F1A9B0345D5B2"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncreaseDecreaseInReceivables_E569CC3D3CEA2FF7892F1A9B0345D5B2" xlink:from="loc_us-gaap_IncreaseDecreaseInReceivables_E569CC3D3CEA2FF7892F1A9B0345D5B2" 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_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_2866E7F5F5A899B738BD1A9B03541F01" id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_2866E7F5F5A899B738BD1A9B03541F01_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_2866E7F5F5A899B738BD1A9B03541F01" id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_2866E7F5F5A899B738BD1A9B03541F01_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_2866E7F5F5A899B738BD1A9B03541F01"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_2866E7F5F5A899B738BD1A9B03541F01" xlink:from="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_2866E7F5F5A899B738BD1A9B03541F01" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_5A755C477129C8CFE5DD1A9B03549494" id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_5A755C477129C8CFE5DD1A9B03549494_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_5A755C477129C8CFE5DD1A9B03549494" id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_5A755C477129C8CFE5DD1A9B03549494_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_5A755C477129C8CFE5DD1A9B03549494"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_5A755C477129C8CFE5DD1A9B03549494" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_5A755C477129C8CFE5DD1A9B03549494" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_864E3E1663CDEC5CFCCF1A9B035460EB" id="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_864E3E1663CDEC5CFCCF1A9B035460EB_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_864E3E1663CDEC5CFCCF1A9B035460EB" id="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_864E3E1663CDEC5CFCCF1A9B035460EB_label_en-US">Increase (Decrease) in Income Taxes Payable</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_864E3E1663CDEC5CFCCF1A9B035460EB"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_864E3E1663CDEC5CFCCF1A9B035460EB" xlink:from="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_864E3E1663CDEC5CFCCF1A9B035460EB" 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_C7CC3EBBE52B902219841A9B03549C8F" id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C7CC3EBBE52B902219841A9B03549C8F_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_C7CC3EBBE52B902219841A9B03549C8F" id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C7CC3EBBE52B902219841A9B03549C8F_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_C7CC3EBBE52B902219841A9B03549C8F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C7CC3EBBE52B902219841A9B03549C8F" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_C7CC3EBBE52B902219841A9B03549C8F" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_1089BCE7848EC49079721A9B0354C63B" id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1089BCE7848EC49079721A9B0354C63B_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_1089BCE7848EC49079721A9B0354C63B" id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1089BCE7848EC49079721A9B0354C63B_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1089BCE7848EC49079721A9B0354C63B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1089BCE7848EC49079721A9B0354C63B" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1089BCE7848EC49079721A9B0354C63B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ECB66CF7C4DCDE0F78C51A9B03544436" id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_ECB66CF7C4DCDE0F78C51A9B03544436_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_ECB66CF7C4DCDE0F78C51A9B03544436" id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_ECB66CF7C4DCDE0F78C51A9B03544436_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_ECB66CF7C4DCDE0F78C51A9B03544436"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_ECB66CF7C4DCDE0F78C51A9B03544436" xlink:from="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_ECB66CF7C4DCDE0F78C51A9B03544436" 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_B1F48998D894A509DE2E1A9B0354BCEC" id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_B1F48998D894A509DE2E1A9B0354BCEC_negatedLabel_en-US">Purchases of property and equipment, net of trades</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_B1F48998D894A509DE2E1A9B0354BCEC" id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_B1F48998D894A509DE2E1A9B0354BCEC_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_B1F48998D894A509DE2E1A9B0354BCEC"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_B1F48998D894A509DE2E1A9B0354BCEC" xlink:from="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_B1F48998D894A509DE2E1A9B0354BCEC" 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_PaymentsForLossesAndLossAdjustmentExpense_22B6A523D2BE88CDAA8D1A9B03542230" id="lab_us-gaap_PaymentsForLossesAndLossAdjustmentExpense_22B6A523D2BE88CDAA8D1A9B03542230_negatedTerseLabel_en-US">Change in designated funds for claims 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_PaymentsForLossesAndLossAdjustmentExpense_22B6A523D2BE88CDAA8D1A9B03542230" id="lab_us-gaap_PaymentsForLossesAndLossAdjustmentExpense_22B6A523D2BE88CDAA8D1A9B03542230_label_en-US">Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsForLossesAndLossAdjustmentExpense" xlink:label="loc_us-gaap_PaymentsForLossesAndLossAdjustmentExpense_22B6A523D2BE88CDAA8D1A9B03542230"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PaymentsForLossesAndLossAdjustmentExpense_22B6A523D2BE88CDAA8D1A9B03542230" xlink:from="loc_us-gaap_PaymentsForLossesAndLossAdjustmentExpense_22B6A523D2BE88CDAA8D1A9B03542230" 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_PaymentsToAcquireBusinessesNetOfCashAcquired_0D6AF91D4506F4042E901A9B03546D0F" id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_0D6AF91D4506F4042E901A9B03546D0F_negatedTerseLabel_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_0D6AF91D4506F4042E901A9B03546D0F" id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_0D6AF91D4506F4042E901A9B03546D0F_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_0D6AF91D4506F4042E901A9B03546D0F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_0D6AF91D4506F4042E901A9B03546D0F" xlink:from="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_0D6AF91D4506F4042E901A9B03546D0F" 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_E953D64BDA2A6D6E55A91A9B03541E72" id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_E953D64BDA2A6D6E55A91A9B03541E72_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_E953D64BDA2A6D6E55A91A9B03541E72" id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_E953D64BDA2A6D6E55A91A9B03541E72_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_E953D64BDA2A6D6E55A91A9B03541E72"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_E953D64BDA2A6D6E55A91A9B03541E72" xlink:from="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_E953D64BDA2A6D6E55A91A9B03541E72" 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_C8F6B5DA3B76ACF4AE9D1A9B035475B8" id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_C8F6B5DA3B76ACF4AE9D1A9B035475B8_totalLabel_en-US">Net cash used in 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_C8F6B5DA3B76ACF4AE9D1A9B035475B8" id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_C8F6B5DA3B76ACF4AE9D1A9B035475B8_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_C8F6B5DA3B76ACF4AE9D1A9B035475B8"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_C8F6B5DA3B76ACF4AE9D1A9B035475B8" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_C8F6B5DA3B76ACF4AE9D1A9B035475B8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_6033169867084EDA60DD1A9B0354191D" id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_6033169867084EDA60DD1A9B0354191D_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_6033169867084EDA60DD1A9B0354191D" id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_6033169867084EDA60DD1A9B0354191D_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_6033169867084EDA60DD1A9B0354191D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_6033169867084EDA60DD1A9B0354191D" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_6033169867084EDA60DD1A9B0354191D" 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_A721778A974496D442D31A9B0354D26D" id="lab_us-gaap_PaymentsOfDividendsCommonStock_A721778A974496D442D31A9B0354D26D_negatedTerseLabel_en-US">Payments of cash dividends</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_A721778A974496D442D31A9B0354D26D" id="lab_us-gaap_PaymentsOfDividendsCommonStock_A721778A974496D442D31A9B0354D26D_label_en-US">Payments of Ordinary Dividends, Common Stock</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_A721778A974496D442D31A9B0354D26D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PaymentsOfDividendsCommonStock_A721778A974496D442D31A9B0354D26D" xlink:from="loc_us-gaap_PaymentsOfDividendsCommonStock_A721778A974496D442D31A9B0354D26D" 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_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_E768887D542CADBC5C061A9B0354E2C9" id="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_E768887D542CADBC5C061A9B0354E2C9_negatedTerseLabel_en-US">Shares withheld for employee taxes related to 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_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_E768887D542CADBC5C061A9B0354E2C9" id="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_E768887D542CADBC5C061A9B0354E2C9_label_en-US">Payments Related to Tax Withholding for Share-based Compensation</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_E768887D542CADBC5C061A9B0354E2C9"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_E768887D542CADBC5C061A9B0354E2C9" xlink:from="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_E768887D542CADBC5C061A9B0354E2C9" 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_E1AA6401F64D3AE4B1711A9B0354B94F" id="lab_us-gaap_RepaymentsOfLongTermDebt_E1AA6401F64D3AE4B1711A9B0354B94F_negatedTerseLabel_en-US">Repayments on 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_RepaymentsOfLongTermDebt_E1AA6401F64D3AE4B1711A9B0354B94F" id="lab_us-gaap_RepaymentsOfLongTermDebt_E1AA6401F64D3AE4B1711A9B0354B94F_label_en-US">Repayments of Long-term Debt</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_E1AA6401F64D3AE4B1711A9B0354B94F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RepaymentsOfLongTermDebt_E1AA6401F64D3AE4B1711A9B0354B94F" xlink:from="loc_us-gaap_RepaymentsOfLongTermDebt_E1AA6401F64D3AE4B1711A9B0354B94F" 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_68E384D9D378BD3DC7491A9B0354881E" id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_68E384D9D378BD3DC7491A9B0354881E_negatedTerseLabel_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_68E384D9D378BD3DC7491A9B0354881E" id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_68E384D9D378BD3DC7491A9B0354881E_label_en-US">Payments for Repurchase of Common Stock</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_68E384D9D378BD3DC7491A9B0354881E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_68E384D9D378BD3DC7491A9B0354881E" xlink:from="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_68E384D9D378BD3DC7491A9B0354881E" 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_986887950C4E30C941621A9B0354B8DC" id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_986887950C4E30C941621A9B0354B8DC_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_986887950C4E30C941621A9B0354B8DC" id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_986887950C4E30C941621A9B0354B8DC_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_986887950C4E30C941621A9B0354B8DC"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_986887950C4E30C941621A9B0354B8DC" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_986887950C4E30C941621A9B0354B8DC" 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_382C3B0B350DCB2F24EC1A9B03549066" id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_382C3B0B350DCB2F24EC1A9B03549066_totalLabel_en-US">Net increase in cash, cash equivalents and restricted cash</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_382C3B0B350DCB2F24EC1A9B03549066" id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_382C3B0B350DCB2F24EC1A9B03549066_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_382C3B0B350DCB2F24EC1A9B03549066"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_382C3B0B350DCB2F24EC1A9B03549066" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_382C3B0B350DCB2F24EC1A9B03549066" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_D2943874E3CF4627BA501A9B0354CDD6" id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_D2943874E3CF4627BA501A9B0354CDD6_terseLabel_en-US">CASH, CASH EQUIVALENTS AND RESTRICTED CASH</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_D2943874E3CF4627BA501A9B0354CDD6" id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_D2943874E3CF4627BA501A9B0354CDD6_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_D2943874E3CF4627BA501A9B0354CDD6"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_D2943874E3CF4627BA501A9B0354CDD6" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_D2943874E3CF4627BA501A9B0354CDD6" 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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_EFE234758180D10A958C1A9B03543B8F" id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_EFE234758180D10A958C1A9B03543B8F_periodStartLabel_en-US">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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_EFE234758180D10A958C1A9B03543B8F" id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_EFE234758180D10A958C1A9B03543B8F_label_en-US">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_EFE234758180D10A958C1A9B03543B8F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_EFE234758180D10A958C1A9B03543B8F" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_EFE234758180D10A958C1A9B03543B8F" 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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_CBF8BB5ECAB2F1FCC6041A9B03548275" id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_CBF8BB5ECAB2F1FCC6041A9B03548275_periodEndLabel_en-US">Ending Period</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_CBF8BB5ECAB2F1FCC6041A9B03548275"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_CBF8BB5ECAB2F1FCC6041A9B03548275" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_CBF8BB5ECAB2F1FCC6041A9B03548275" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_584500CFE04A7B658E2F1A9B0354B443" id="lab_us-gaap_SupplementalCashFlowInformationAbstract_584500CFE04A7B658E2F1A9B0354B443_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_584500CFE04A7B658E2F1A9B0354B443" id="lab_us-gaap_SupplementalCashFlowInformationAbstract_584500CFE04A7B658E2F1A9B0354B443_label_en-US">Supplemental Cash Flow Information [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_584500CFE04A7B658E2F1A9B0354B443"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SupplementalCashFlowInformationAbstract_584500CFE04A7B658E2F1A9B0354B443" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_584500CFE04A7B658E2F1A9B0354B443" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_7E3823B51B24732103731A9B03543191" id="lab_us-gaap_IncomeTaxesPaidNet_7E3823B51B24732103731A9B03543191_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_7E3823B51B24732103731A9B03543191" id="lab_us-gaap_IncomeTaxesPaidNet_7E3823B51B24732103731A9B03543191_label_en-US">Income Taxes Paid, Net</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_7E3823B51B24732103731A9B03543191"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeTaxesPaidNet_7E3823B51B24732103731A9B03543191" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_7E3823B51B24732103731A9B03543191" 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_59C71CD8DADC02C9C1711A9B035417A4" id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_59C71CD8DADC02C9C1711A9B035417A4_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_59C71CD8DADC02C9C1711A9B035417A4" id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_59C71CD8DADC02C9C1711A9B035417A4_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_59C71CD8DADC02C9C1711A9B035417A4"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_59C71CD8DADC02C9C1711A9B035417A4" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_59C71CD8DADC02C9C1711A9B035417A4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_CapitalExpendituresIncurredButNotYetPaid_FADDF2A31B74DCF327461A9B03546E8D" id="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_FADDF2A31B74DCF327461A9B03546E8D_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_FADDF2A31B74DCF327461A9B03546E8D" id="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_FADDF2A31B74DCF327461A9B03546E8D_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_FADDF2A31B74DCF327461A9B03546E8D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_FADDF2A31B74DCF327461A9B03546E8D" xlink:from="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_FADDF2A31B74DCF327461A9B03546E8D" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_TreasuryStockAcquiredInAccountsPayable_42F5146ED2F4FCE2014D1A9B03545C59" id="lab_htld_TreasuryStockAcquiredInAccountsPayable_42F5146ED2F4FCE2014D1A9B03545C59_terseLabel_en-US">Treasury stock acquired 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_htld_TreasuryStockAcquiredInAccountsPayable_42F5146ED2F4FCE2014D1A9B03545C59" id="lab_htld_TreasuryStockAcquiredInAccountsPayable_42F5146ED2F4FCE2014D1A9B03545C59_label_en-US">Treasury stock acquired in accounts payable</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_TreasuryStockAcquiredInAccountsPayable_42F5146ED2F4FCE2014D1A9B03545C59" id="lab_htld_TreasuryStockAcquiredInAccountsPayable_42F5146ED2F4FCE2014D1A9B03545C59_documentation_en-US">Treasury stock acquired, not settled and in accounts payable at end of reporting period</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_TreasuryStockAcquiredInAccountsPayable" xlink:label="loc_htld_TreasuryStockAcquiredInAccountsPayable_42F5146ED2F4FCE2014D1A9B03545C59"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_TreasuryStockAcquiredInAccountsPayable_42F5146ED2F4FCE2014D1A9B03545C59" xlink:from="loc_htld_TreasuryStockAcquiredInAccountsPayable_42F5146ED2F4FCE2014D1A9B03545C59" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_IncreaseDecreaseInRestrictedCashAndInvestments_57AD6D1EAC748E8322291A9B0354CBC1" id="lab_us-gaap_IncreaseDecreaseInRestrictedCashAndInvestments_57AD6D1EAC748E8322291A9B0354CBC1_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_us-gaap_IncreaseDecreaseInRestrictedCashAndInvestments_57AD6D1EAC748E8322291A9B0354CBC1" id="lab_us-gaap_IncreaseDecreaseInRestrictedCashAndInvestments_57AD6D1EAC748E8322291A9B0354CBC1_label_en-US">Increase (Decrease) in Restricted Cash and Investments</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCashAndInvestments" xlink:label="loc_us-gaap_IncreaseDecreaseInRestrictedCashAndInvestments_57AD6D1EAC748E8322291A9B0354CBC1"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncreaseDecreaseInRestrictedCashAndInvestments_57AD6D1EAC748E8322291A9B0354CBC1" xlink:from="loc_us-gaap_IncreaseDecreaseInRestrictedCashAndInvestments_57AD6D1EAC748E8322291A9B0354CBC1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_RestrictedCashAndCashEquivalentsAbstract_DA6EC25F37E6D8B5E3A51A9B0354556B" id="lab_us-gaap_RestrictedCashAndCashEquivalentsAbstract_DA6EC25F37E6D8B5E3A51A9B0354556B_terseLabel_en-US">RECONCILIATION OF CASH, CASH EQUIVALENTS AND RESTRICTED CASH</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_RestrictedCashAndCashEquivalentsAbstract_DA6EC25F37E6D8B5E3A51A9B0354556B" id="lab_us-gaap_RestrictedCashAndCashEquivalentsAbstract_DA6EC25F37E6D8B5E3A51A9B0354556B_label_en-US">Restricted Cash and Cash Equivalents [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAbstract" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAbstract_DA6EC25F37E6D8B5E3A51A9B0354556B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RestrictedCashAndCashEquivalentsAbstract_DA6EC25F37E6D8B5E3A51A9B0354556B" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsAbstract_DA6EC25F37E6D8B5E3A51A9B0354556B" 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_CashAndCashEquivalentsAtCarryingValue_C779CDD38AD06D62DF3E1A9B035447DC" id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_C779CDD38AD06D62DF3E1A9B035447DC_verboseLabel_en-US">Cash and Cash Equivalents, at Carrying 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_CashAndCashEquivalentsAtCarryingValue_C779CDD38AD06D62DF3E1A9B035447DC" id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_C779CDD38AD06D62DF3E1A9B035447DC_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_C779CDD38AD06D62DF3E1A9B035447DC"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_C779CDD38AD06D62DF3E1A9B035447DC" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_C779CDD38AD06D62DF3E1A9B035447DC" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_RestrictedCashAndInvestmentsCurrent_C222455E287FE6896FFC1A9B03549CFC" id="lab_us-gaap_RestrictedCashAndInvestmentsCurrent_C222455E287FE6896FFC1A9B03549CFC_terseLabel_en-US">Restricted Cash and Investments, 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_RestrictedCashAndInvestmentsCurrent_C222455E287FE6896FFC1A9B03549CFC" id="lab_us-gaap_RestrictedCashAndInvestmentsCurrent_C222455E287FE6896FFC1A9B03549CFC_label_en-US">Restricted Cash and Investments, Current</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedCashAndInvestmentsCurrent" xlink:label="loc_us-gaap_RestrictedCashAndInvestmentsCurrent_C222455E287FE6896FFC1A9B03549CFC"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RestrictedCashAndInvestmentsCurrent_C222455E287FE6896FFC1A9B03549CFC" xlink:from="loc_us-gaap_RestrictedCashAndInvestmentsCurrent_C222455E287FE6896FFC1A9B03549CFC" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_RestrictedCashAndCashEquivalentsNoncurrent_B8391026748F58B986DA1A9B03545AD8" id="lab_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_B8391026748F58B986DA1A9B03545AD8_terseLabel_en-US">Restricted Cash and Cash Equivalents, Noncurrent</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_RestrictedCashAndCashEquivalentsNoncurrent_B8391026748F58B986DA1A9B03545AD8" id="lab_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_B8391026748F58B986DA1A9B03545AD8_label_en-US">Restricted Cash and Cash Equivalents, Noncurrent</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_B8391026748F58B986DA1A9B03545AD8"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_B8391026748F58B986DA1A9B03545AD8" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_B8391026748F58B986DA1A9B03545AD8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_D8118703D39402551F3D65A69BC33A14" id="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_D8118703D39402551F3D65A69BC33A14_terseLabel_en-US">Disclosure of restricted stock award activity</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_D8118703D39402551F3D65A69BC33A14" id="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_D8118703D39402551F3D65A69BC33A14_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" xlink:label="loc_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_D8118703D39402551F3D65A69BC33A14"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_D8118703D39402551F3D65A69BC33A14" xlink:from="loc_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_D8118703D39402551F3D65A69BC33A14" 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_9EA2F85D858F6948A1E565A69B66A6AB" id="lab_us-gaap_IncomeTaxDisclosureAbstract_9EA2F85D858F6948A1E565A69B66A6AB_label_en-US">Income Tax Disclosure [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_9EA2F85D858F6948A1E565A69B66A6AB"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeTaxDisclosureAbstract_9EA2F85D858F6948A1E565A69B66A6AB" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_9EA2F85D858F6948A1E565A69B66A6AB" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_12D3E77FEAE0AA7F091765A69B664775" id="lab_us-gaap_IncomeTaxDisclosureTextBlock_12D3E77FEAE0AA7F091765A69B664775_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_12D3E77FEAE0AA7F091765A69B664775" id="lab_us-gaap_IncomeTaxDisclosureTextBlock_12D3E77FEAE0AA7F091765A69B664775_label_en-US">Income Tax Disclosure [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_12D3E77FEAE0AA7F091765A69B664775"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeTaxDisclosureTextBlock_12D3E77FEAE0AA7F091765A69B664775" xlink:from="loc_us-gaap_IncomeTaxDisclosureTextBlock_12D3E77FEAE0AA7F091765A69B664775" 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_3FF63A266CF0CB601C5465A69C02712B" id="lab_us-gaap_LeasesAbstract_3FF63A266CF0CB601C5465A69C02712B_label_en-US">Leases [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract_3FF63A266CF0CB601C5465A69C02712B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LeasesAbstract_3FF63A266CF0CB601C5465A69C02712B" xlink:from="loc_us-gaap_LeasesAbstract_3FF63A266CF0CB601C5465A69C02712B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_LesseeOperatingLeasesTextBlock_4F2D4B2AA23F93D6D59F65A69C024067" id="lab_us-gaap_LesseeOperatingLeasesTextBlock_4F2D4B2AA23F93D6D59F65A69C024067_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_LesseeOperatingLeasesTextBlock_4F2D4B2AA23F93D6D59F65A69C024067" id="lab_us-gaap_LesseeOperatingLeasesTextBlock_4F2D4B2AA23F93D6D59F65A69C024067_label_en-US">Lessee, Operating Leases [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeasesTextBlock" xlink:label="loc_us-gaap_LesseeOperatingLeasesTextBlock_4F2D4B2AA23F93D6D59F65A69C024067"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_LesseeOperatingLeasesTextBlock_4F2D4B2AA23F93D6D59F65A69C024067" xlink:from="loc_us-gaap_LesseeOperatingLeasesTextBlock_4F2D4B2AA23F93D6D59F65A69C024067" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ScheduleOfPropertyPlantAndEquipmentTable_699AB96AF8AAFD6D6CF01AF6D0CA7915" id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_699AB96AF8AAFD6D6CF01AF6D0CA7915_terseLabel_en-US">Property, Plant and Equipment [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_ScheduleOfPropertyPlantAndEquipmentTable_699AB96AF8AAFD6D6CF01AF6D0CA7915" id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_699AB96AF8AAFD6D6CF01AF6D0CA7915_label_en-US">Property, Plant and Equipment [Table]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_699AB96AF8AAFD6D6CF01AF6D0CA7915"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_699AB96AF8AAFD6D6CF01AF6D0CA7915" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_699AB96AF8AAFD6D6CF01AF6D0CA7915" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_F9C1CDC765FE578E51551AF6D0CA83C6" id="lab_htld_FinancialStatementLocationAxis_F9C1CDC765FE578E51551AF6D0CA83C6_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_F9C1CDC765FE578E51551AF6D0CA83C6" id="lab_htld_FinancialStatementLocationAxis_F9C1CDC765FE578E51551AF6D0CA83C6_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_F9C1CDC765FE578E51551AF6D0CA83C6" id="lab_htld_FinancialStatementLocationAxis_F9C1CDC765FE578E51551AF6D0CA83C6_documentation_en-US">Financial Statement Location [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_FinancialStatementLocationAxis" xlink:label="loc_htld_FinancialStatementLocationAxis_F9C1CDC765FE578E51551AF6D0CA83C6"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_FinancialStatementLocationAxis_F9C1CDC765FE578E51551AF6D0CA83C6" xlink:from="loc_htld_FinancialStatementLocationAxis_F9C1CDC765FE578E51551AF6D0CA83C6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ABEF440E606B2CA9187D1AF6D0CAB51C" id="lab_htld_FinancialStatementLocationDomain_ABEF440E606B2CA9187D1AF6D0CAB51C_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_ABEF440E606B2CA9187D1AF6D0CAB51C" id="lab_htld_FinancialStatementLocationDomain_ABEF440E606B2CA9187D1AF6D0CAB51C_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_ABEF440E606B2CA9187D1AF6D0CAB51C" id="lab_htld_FinancialStatementLocationDomain_ABEF440E606B2CA9187D1AF6D0CAB51C_documentation_en-US">Financial Statement Location [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_FinancialStatementLocationDomain" xlink:label="loc_htld_FinancialStatementLocationDomain_ABEF440E606B2CA9187D1AF6D0CAB51C"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_FinancialStatementLocationDomain_ABEF440E606B2CA9187D1AF6D0CAB51C" xlink:from="loc_htld_FinancialStatementLocationDomain_ABEF440E606B2CA9187D1AF6D0CAB51C" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_849C1B32759B6E57A48A1AF6D0CAD016" id="lab_htld_CommunicationsAndUtilitiesExpenseMember_849C1B32759B6E57A48A1AF6D0CAD016_terseLabel_en-US">Communications and Utilities Expense</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_849C1B32759B6E57A48A1AF6D0CAD016" id="lab_htld_CommunicationsAndUtilitiesExpenseMember_849C1B32759B6E57A48A1AF6D0CAD016_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_849C1B32759B6E57A48A1AF6D0CAD016" id="lab_htld_CommunicationsAndUtilitiesExpenseMember_849C1B32759B6E57A48A1AF6D0CAD016_documentation_en-US">Communications and Utilities Expense [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_CommunicationsAndUtilitiesExpenseMember" xlink:label="loc_htld_CommunicationsAndUtilitiesExpenseMember_849C1B32759B6E57A48A1AF6D0CAD016"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_CommunicationsAndUtilitiesExpenseMember_849C1B32759B6E57A48A1AF6D0CAD016" xlink:from="loc_htld_CommunicationsAndUtilitiesExpenseMember_849C1B32759B6E57A48A1AF6D0CAD016" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_D7F2071474228B1A76A01AF6D0CAA628" id="lab_htld_TractorsMember_D7F2071474228B1A76A01AF6D0CAA628_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_D7F2071474228B1A76A01AF6D0CAA628" id="lab_htld_TractorsMember_D7F2071474228B1A76A01AF6D0CAA628_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_D7F2071474228B1A76A01AF6D0CAA628" id="lab_htld_TractorsMember_D7F2071474228B1A76A01AF6D0CAA628_documentation_en-US">Tractors [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_TractorsMember" xlink:label="loc_htld_TractorsMember_D7F2071474228B1A76A01AF6D0CAA628"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_TractorsMember_D7F2071474228B1A76A01AF6D0CAA628" xlink:from="loc_htld_TractorsMember_D7F2071474228B1A76A01AF6D0CAA628" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_213BD5F32BE5F530819D1AF6D0CA42C3" id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_213BD5F32BE5F530819D1AF6D0CA42C3_terseLabel_en-US">Property, Plant and Equipment [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_PropertyPlantAndEquipmentLineItems_213BD5F32BE5F530819D1AF6D0CA42C3" id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_213BD5F32BE5F530819D1AF6D0CA42C3_label_en-US">Property, Plant and Equipment [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_213BD5F32BE5F530819D1AF6D0CA42C3"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentLineItems_213BD5F32BE5F530819D1AF6D0CA42C3" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_213BD5F32BE5F530819D1AF6D0CA42C3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_CB043ED16CF7FD984E961AF6D0CA9C81" id="lab_htld_AmortizationPeriodOfTires_CB043ED16CF7FD984E961AF6D0CA9C81_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_CB043ED16CF7FD984E961AF6D0CA9C81" id="lab_htld_AmortizationPeriodOfTires_CB043ED16CF7FD984E961AF6D0CA9C81_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_CB043ED16CF7FD984E961AF6D0CA9C81" id="lab_htld_AmortizationPeriodOfTires_CB043ED16CF7FD984E961AF6D0CA9C81_documentation_en-US">Amortization Period of Tires</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_AmortizationPeriodOfTires" xlink:label="loc_htld_AmortizationPeriodOfTires_CB043ED16CF7FD984E961AF6D0CA9C81"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_AmortizationPeriodOfTires_CB043ED16CF7FD984E961AF6D0CA9C81" xlink:from="loc_htld_AmortizationPeriodOfTires_CB043ED16CF7FD984E961AF6D0CA9C81" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_C543095F445DD0D9D1DB1AF6D0CA8714" id="lab_us-gaap_PropertyPlantAndEquipmentSalvageValue_C543095F445DD0D9D1DB1AF6D0CA8714_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_C543095F445DD0D9D1DB1AF6D0CA8714" id="lab_us-gaap_PropertyPlantAndEquipmentSalvageValue_C543095F445DD0D9D1DB1AF6D0CA8714_label_en-US">Property, Plant, and Equipment, Salvage Value</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentSalvageValue" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentSalvageValue_C543095F445DD0D9D1DB1AF6D0CA8714"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentSalvageValue_C543095F445DD0D9D1DB1AF6D0CA8714" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentSalvageValue_C543095F445DD0D9D1DB1AF6D0CA8714" 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_BasisofPresentationandAccountingPronouncementsAbstract_A3F81127AB0981DA06CC65A69A3D628E" id="lab_htld_BasisofPresentationandAccountingPronouncementsAbstract_A3F81127AB0981DA06CC65A69A3D628E_label_en-US">Basis of Presentation and Accounting Pronouncements [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_BasisofPresentationandAccountingPronouncementsAbstract_A3F81127AB0981DA06CC65A69A3D628E" id="lab_htld_BasisofPresentationandAccountingPronouncementsAbstract_A3F81127AB0981DA06CC65A69A3D628E_documentation_en-US">Basis of Presentation and Accounting Pronouncements [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_BasisofPresentationandAccountingPronouncementsAbstract" xlink:label="loc_htld_BasisofPresentationandAccountingPronouncementsAbstract_A3F81127AB0981DA06CC65A69A3D628E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_BasisofPresentationandAccountingPronouncementsAbstract_A3F81127AB0981DA06CC65A69A3D628E" xlink:from="loc_htld_BasisofPresentationandAccountingPronouncementsAbstract_A3F81127AB0981DA06CC65A69A3D628E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_E25A252F54B041AAA39765A69A3D3015" id="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_E25A252F54B041AAA39765A69A3D3015_terseLabel_en-US">Basis of Presentation and Significant Accounting Policies [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_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_E25A252F54B041AAA39765A69A3D3015" id="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_E25A252F54B041AAA39765A69A3D3015_label_en-US">Basis of Presentation and Significant Accounting Policies [Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_E25A252F54B041AAA39765A69A3D3015"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_E25A252F54B041AAA39765A69A3D3015" xlink:from="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_E25A252F54B041AAA39765A69A3D3015" 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_RevenueFromContractWithCustomerAbstract_3EA64158DB6C6E2EF0E31A7A20735BC9" id="lab_us-gaap_RevenueFromContractWithCustomerAbstract_3EA64158DB6C6E2EF0E31A7A20735BC9_label_en-US">Revenue from Contract with Customer [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_3EA64158DB6C6E2EF0E31A7A20735BC9"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RevenueFromContractWithCustomerAbstract_3EA64158DB6C6E2EF0E31A7A20735BC9" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_3EA64158DB6C6E2EF0E31A7A20735BC9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_DisaggregationOfRevenueTable_BB700DF6D9A7AECB61F71A7A20743E54" id="lab_us-gaap_DisaggregationOfRevenueTable_BB700DF6D9A7AECB61F71A7A20743E54_terseLabel_en-US">Disaggregation of Revenue [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_DisaggregationOfRevenueTable_BB700DF6D9A7AECB61F71A7A20743E54" id="lab_us-gaap_DisaggregationOfRevenueTable_BB700DF6D9A7AECB61F71A7A20743E54_label_en-US">Disaggregation of Revenue [Table]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisaggregationOfRevenueTable" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_BB700DF6D9A7AECB61F71A7A20743E54"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DisaggregationOfRevenueTable_BB700DF6D9A7AECB61F71A7A20743E54" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_BB700DF6D9A7AECB61F71A7A20743E54" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_ProductOrServiceAxis_2F145F2AEA0BC22082D21A7A20754D52" id="lab_srt_ProductOrServiceAxis_2F145F2AEA0BC22082D21A7A20754D52_terseLabel_en-US">Product and Service [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_ProductOrServiceAxis_2F145F2AEA0BC22082D21A7A20754D52" id="lab_srt_ProductOrServiceAxis_2F145F2AEA0BC22082D21A7A20754D52_label_en-US">Product and Service [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_2F145F2AEA0BC22082D21A7A20754D52"/>

<link:labelArc xlink:type="arc" xlink:to="lab_srt_ProductOrServiceAxis_2F145F2AEA0BC22082D21A7A20754D52" xlink:from="loc_srt_ProductOrServiceAxis_2F145F2AEA0BC22082D21A7A20754D52" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_ProductsAndServicesDomain_FCF930C29F4268B246BF1A7A20750DC7" id="lab_srt_ProductsAndServicesDomain_FCF930C29F4268B246BF1A7A20750DC7_terseLabel_en-US">Product and Service [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_ProductsAndServicesDomain_FCF930C29F4268B246BF1A7A20750DC7" id="lab_srt_ProductsAndServicesDomain_FCF930C29F4268B246BF1A7A20750DC7_label_en-US">Product and Service [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_FCF930C29F4268B246BF1A7A20750DC7"/>

<link:labelArc xlink:type="arc" xlink:to="lab_srt_ProductsAndServicesDomain_FCF930C29F4268B246BF1A7A20750DC7" xlink:from="loc_srt_ProductsAndServicesDomain_FCF930C29F4268B246BF1A7A20750DC7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_FuelsurchargeMember_5F2CCF0DED52439EE6D31A7A20756060" id="lab_htld_FuelsurchargeMember_5F2CCF0DED52439EE6D31A7A20756060_terseLabel_en-US">fuel surcharge [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_FuelsurchargeMember_5F2CCF0DED52439EE6D31A7A20756060" id="lab_htld_FuelsurchargeMember_5F2CCF0DED52439EE6D31A7A20756060_label_en-US">fuel surcharge [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_FuelsurchargeMember_5F2CCF0DED52439EE6D31A7A20756060" id="lab_htld_FuelsurchargeMember_5F2CCF0DED52439EE6D31A7A20756060_documentation_en-US">Fuel Surcharge [Member]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_FuelsurchargeMember" xlink:label="loc_htld_FuelsurchargeMember_5F2CCF0DED52439EE6D31A7A20756060"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_FuelsurchargeMember_5F2CCF0DED52439EE6D31A7A20756060" xlink:from="loc_htld_FuelsurchargeMember_5F2CCF0DED52439EE6D31A7A20756060" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_StatementGeographicalAxis_A2FA623AEBE4375C616F1A7A207ABFAD" id="lab_srt_StatementGeographicalAxis_A2FA623AEBE4375C616F1A7A207ABFAD_terseLabel_en-US">Geographical [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_StatementGeographicalAxis_A2FA623AEBE4375C616F1A7A207ABFAD" id="lab_srt_StatementGeographicalAxis_A2FA623AEBE4375C616F1A7A207ABFAD_label_en-US">Geographical [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="loc_srt_StatementGeographicalAxis_A2FA623AEBE4375C616F1A7A207ABFAD"/>

<link:labelArc xlink:type="arc" xlink:to="lab_srt_StatementGeographicalAxis_A2FA623AEBE4375C616F1A7A207ABFAD" xlink:from="loc_srt_StatementGeographicalAxis_A2FA623AEBE4375C616F1A7A207ABFAD" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_SegmentGeographicalDomain_258F21111A8711469E1E1A7A207B18FD" id="lab_srt_SegmentGeographicalDomain_258F21111A8711469E1E1A7A207B18FD_terseLabel_en-US">Geographical [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_SegmentGeographicalDomain_258F21111A8711469E1E1A7A207B18FD" id="lab_srt_SegmentGeographicalDomain_258F21111A8711469E1E1A7A207B18FD_label_en-US">Geographical [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="loc_srt_SegmentGeographicalDomain_258F21111A8711469E1E1A7A207B18FD"/>

<link:labelArc xlink:type="arc" xlink:to="lab_srt_SegmentGeographicalDomain_258F21111A8711469E1E1A7A207B18FD" xlink:from="loc_srt_SegmentGeographicalDomain_258F21111A8711469E1E1A7A207B18FD" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ContractWithCustomerBasisOfPricingAxis_2F4B49AA5CEF61AFFE191A7A207B865E" id="lab_us-gaap_ContractWithCustomerBasisOfPricingAxis_2F4B49AA5CEF61AFFE191A7A207B865E_terseLabel_en-US">Contract with Customer, Basis of Pricing [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_ContractWithCustomerBasisOfPricingAxis_2F4B49AA5CEF61AFFE191A7A207B865E" id="lab_us-gaap_ContractWithCustomerBasisOfPricingAxis_2F4B49AA5CEF61AFFE191A7A207B865E_label_en-US">Contract with Customer, Basis of Pricing [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerBasisOfPricingAxis" xlink:label="loc_us-gaap_ContractWithCustomerBasisOfPricingAxis_2F4B49AA5CEF61AFFE191A7A207B865E"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ContractWithCustomerBasisOfPricingAxis_2F4B49AA5CEF61AFFE191A7A207B865E" xlink:from="loc_us-gaap_ContractWithCustomerBasisOfPricingAxis_2F4B49AA5CEF61AFFE191A7A207B865E" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ContractWithCustomerBasisOfPricingDomain_A3DCEC824FC0695ED8711A7A207B8141" id="lab_us-gaap_ContractWithCustomerBasisOfPricingDomain_A3DCEC824FC0695ED8711A7A207B8141_terseLabel_en-US">Contract with Customer, Basis of Pricing [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_ContractWithCustomerBasisOfPricingDomain_A3DCEC824FC0695ED8711A7A207B8141" id="lab_us-gaap_ContractWithCustomerBasisOfPricingDomain_A3DCEC824FC0695ED8711A7A207B8141_label_en-US">Contract with Customer, Basis of Pricing [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerBasisOfPricingDomain" xlink:label="loc_us-gaap_ContractWithCustomerBasisOfPricingDomain_A3DCEC824FC0695ED8711A7A207B8141"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ContractWithCustomerBasisOfPricingDomain_A3DCEC824FC0695ED8711A7A207B8141" xlink:from="loc_us-gaap_ContractWithCustomerBasisOfPricingDomain_A3DCEC824FC0695ED8711A7A207B8141" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ContractWithCustomerDurationAxis_948F653C0B0E66E73B331A7A207C395A" id="lab_us-gaap_ContractWithCustomerDurationAxis_948F653C0B0E66E73B331A7A207C395A_terseLabel_en-US">Contract with Customer, Duration [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_ContractWithCustomerDurationAxis_948F653C0B0E66E73B331A7A207C395A" id="lab_us-gaap_ContractWithCustomerDurationAxis_948F653C0B0E66E73B331A7A207C395A_label_en-US">Contract with Customer, Duration [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerDurationAxis" xlink:label="loc_us-gaap_ContractWithCustomerDurationAxis_948F653C0B0E66E73B331A7A207C395A"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ContractWithCustomerDurationAxis_948F653C0B0E66E73B331A7A207C395A" xlink:from="loc_us-gaap_ContractWithCustomerDurationAxis_948F653C0B0E66E73B331A7A207C395A" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ContractWithCustomerDurationDomain_44C12F1EBE783DCC56571A7A207C2B14" id="lab_us-gaap_ContractWithCustomerDurationDomain_44C12F1EBE783DCC56571A7A207C2B14_terseLabel_en-US">Contract with Customer, Duration [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_ContractWithCustomerDurationDomain_44C12F1EBE783DCC56571A7A207C2B14" id="lab_us-gaap_ContractWithCustomerDurationDomain_44C12F1EBE783DCC56571A7A207C2B14_label_en-US">Contract with Customer, Duration [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerDurationDomain" xlink:label="loc_us-gaap_ContractWithCustomerDurationDomain_44C12F1EBE783DCC56571A7A207C2B14"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ContractWithCustomerDurationDomain_44C12F1EBE783DCC56571A7A207C2B14" xlink:from="loc_us-gaap_ContractWithCustomerDurationDomain_44C12F1EBE783DCC56571A7A207C2B14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_TimingOfTransferOfGoodOrServiceAxis_DD4643050E6A36E043651A7A207CAA6C" id="lab_us-gaap_TimingOfTransferOfGoodOrServiceAxis_DD4643050E6A36E043651A7A207CAA6C_terseLabel_en-US">Timing of Transfer of Good or Service [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_TimingOfTransferOfGoodOrServiceAxis_DD4643050E6A36E043651A7A207CAA6C" id="lab_us-gaap_TimingOfTransferOfGoodOrServiceAxis_DD4643050E6A36E043651A7A207CAA6C_label_en-US">Timing of Transfer of Good or Service [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TimingOfTransferOfGoodOrServiceAxis" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_DD4643050E6A36E043651A7A207CAA6C"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_TimingOfTransferOfGoodOrServiceAxis_DD4643050E6A36E043651A7A207CAA6C" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_DD4643050E6A36E043651A7A207CAA6C" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_TimingOfTransferOfGoodOrServiceDomain_0937EA13D714F9D4377E1A7A207CE58A" id="lab_us-gaap_TimingOfTransferOfGoodOrServiceDomain_0937EA13D714F9D4377E1A7A207CE58A_terseLabel_en-US">Timing of Transfer of Good or Service [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_TimingOfTransferOfGoodOrServiceDomain_0937EA13D714F9D4377E1A7A207CE58A" id="lab_us-gaap_TimingOfTransferOfGoodOrServiceDomain_0937EA13D714F9D4377E1A7A207CE58A_label_en-US">Timing of Transfer of Good or Service [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TimingOfTransferOfGoodOrServiceDomain" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_0937EA13D714F9D4377E1A7A207CE58A"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_TimingOfTransferOfGoodOrServiceDomain_0937EA13D714F9D4377E1A7A207CE58A" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_0937EA13D714F9D4377E1A7A207CE58A" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ContractWithCustomerSalesChannelAxis_9F9606C070D1C917171B1A7A207C4D53" id="lab_us-gaap_ContractWithCustomerSalesChannelAxis_9F9606C070D1C917171B1A7A207C4D53_terseLabel_en-US">Contract with Customer, Sales Channel [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_ContractWithCustomerSalesChannelAxis_9F9606C070D1C917171B1A7A207C4D53" id="lab_us-gaap_ContractWithCustomerSalesChannelAxis_9F9606C070D1C917171B1A7A207C4D53_label_en-US">Contract with Customer, Sales Channel [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerSalesChannelAxis" xlink:label="loc_us-gaap_ContractWithCustomerSalesChannelAxis_9F9606C070D1C917171B1A7A207C4D53"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ContractWithCustomerSalesChannelAxis_9F9606C070D1C917171B1A7A207C4D53" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelAxis_9F9606C070D1C917171B1A7A207C4D53" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ContractWithCustomerSalesChannelDomain_AAE1960B1A0B1A02385F1A7A207CD6C0" id="lab_us-gaap_ContractWithCustomerSalesChannelDomain_AAE1960B1A0B1A02385F1A7A207CD6C0_terseLabel_en-US">Contract with Customer, Sales Channel [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_ContractWithCustomerSalesChannelDomain_AAE1960B1A0B1A02385F1A7A207CD6C0" id="lab_us-gaap_ContractWithCustomerSalesChannelDomain_AAE1960B1A0B1A02385F1A7A207CD6C0_label_en-US">Contract with Customer, Sales Channel [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerSalesChannelDomain" xlink:label="loc_us-gaap_ContractWithCustomerSalesChannelDomain_AAE1960B1A0B1A02385F1A7A207CD6C0"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ContractWithCustomerSalesChannelDomain_AAE1960B1A0B1A02385F1A7A207CD6C0" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelDomain_AAE1960B1A0B1A02385F1A7A207CD6C0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_MajorCustomersAxis_2E3DF1FBC75A6EB678DE1A7A207DED1C" id="lab_srt_MajorCustomersAxis_2E3DF1FBC75A6EB678DE1A7A207DED1C_terseLabel_en-US">Customer [Axis]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_MajorCustomersAxis_2E3DF1FBC75A6EB678DE1A7A207DED1C" id="lab_srt_MajorCustomersAxis_2E3DF1FBC75A6EB678DE1A7A207DED1C_label_en-US">Customer [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MajorCustomersAxis" xlink:label="loc_srt_MajorCustomersAxis_2E3DF1FBC75A6EB678DE1A7A207DED1C"/>

<link:labelArc xlink:type="arc" xlink:to="lab_srt_MajorCustomersAxis_2E3DF1FBC75A6EB678DE1A7A207DED1C" xlink:from="loc_srt_MajorCustomersAxis_2E3DF1FBC75A6EB678DE1A7A207DED1C" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_NameOfMajorCustomerDomain_9EE44E6EAB3F7E02C0761A7A207D99A2" id="lab_srt_NameOfMajorCustomerDomain_9EE44E6EAB3F7E02C0761A7A207D99A2_terseLabel_en-US">Customer [Domain]</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_NameOfMajorCustomerDomain_9EE44E6EAB3F7E02C0761A7A207D99A2" id="lab_srt_NameOfMajorCustomerDomain_9EE44E6EAB3F7E02C0761A7A207D99A2_label_en-US">Customer [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_NameOfMajorCustomerDomain" xlink:label="loc_srt_NameOfMajorCustomerDomain_9EE44E6EAB3F7E02C0761A7A207D99A2"/>

<link:labelArc xlink:type="arc" xlink:to="lab_srt_NameOfMajorCustomerDomain_9EE44E6EAB3F7E02C0761A7A207D99A2" xlink:from="loc_srt_NameOfMajorCustomerDomain_9EE44E6EAB3F7E02C0761A7A207D99A2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_DisaggregationOfRevenueLineItems_D00E2D17D553188950DE1A7A207DAD84" id="lab_us-gaap_DisaggregationOfRevenueLineItems_D00E2D17D553188950DE1A7A207DAD84_terseLabel_en-US">Disaggregation of Revenue [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_DisaggregationOfRevenueLineItems_D00E2D17D553188950DE1A7A207DAD84" id="lab_us-gaap_DisaggregationOfRevenueLineItems_D00E2D17D553188950DE1A7A207DAD84_label_en-US">Disaggregation of Revenue [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_D00E2D17D553188950DE1A7A207DAD84"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_DisaggregationOfRevenueLineItems_D00E2D17D553188950DE1A7A207DAD84" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_D00E2D17D553188950DE1A7A207DAD84" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_C1F0B37B73F9DFA12AA81A7A207E34E3" id="lab_htld_FuelSurchargeRevenue_C1F0B37B73F9DFA12AA81A7A207E34E3_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_C1F0B37B73F9DFA12AA81A7A207E34E3" id="lab_htld_FuelSurchargeRevenue_C1F0B37B73F9DFA12AA81A7A207E34E3_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_C1F0B37B73F9DFA12AA81A7A207E34E3" id="lab_htld_FuelSurchargeRevenue_C1F0B37B73F9DFA12AA81A7A207E34E3_documentation_en-US">Fuel surcharge revenue</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_FuelSurchargeRevenue" xlink:label="loc_htld_FuelSurchargeRevenue_C1F0B37B73F9DFA12AA81A7A207E34E3"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_FuelSurchargeRevenue_C1F0B37B73F9DFA12AA81A7A207E34E3" xlink:from="loc_htld_FuelSurchargeRevenue_C1F0B37B73F9DFA12AA81A7A207E34E3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_RevenueFromContractWithCustomerIncludingAssessedTax_37426CAB4BCA67671FDD1A7A207E34FE" id="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_37426CAB4BCA67671FDD1A7A207E34FE_terseLabel_en-US">Revenue from Contract with Customer, Including Assessed 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_RevenueFromContractWithCustomerIncludingAssessedTax_37426CAB4BCA67671FDD1A7A207E34FE" id="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_37426CAB4BCA67671FDD1A7A207E34FE_label_en-US">Revenue from Contract with Customer, Including Assessed Tax</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_37426CAB4BCA67671FDD1A7A207E34FE"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_37426CAB4BCA67671FDD1A7A207E34FE" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_37426CAB4BCA67671FDD1A7A207E34FE" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_Percent_81A92452CF888DF668391A7A207E1090" id="lab_htld_Percent_81A92452CF888DF668391A7A207E1090_terseLabel_en-US">percent</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Percent_81A92452CF888DF668391A7A207E1090" id="lab_htld_Percent_81A92452CF888DF668391A7A207E1090_label_en-US">percent</link:label>

<link:label xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:type="resource" xlink:label="lab_htld_Percent_81A92452CF888DF668391A7A207E1090" id="lab_htld_Percent_81A92452CF888DF668391A7A207E1090_documentation_en-US">Percent of Revenue</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_Percent" xlink:label="loc_htld_Percent_81A92452CF888DF668391A7A207E1090"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_Percent_81A92452CF888DF668391A7A207E1090" xlink:from="loc_htld_Percent_81A92452CF888DF668391A7A207E1090" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock_7BABFC1204E89AF958E465A69AAB2858" id="lab_us-gaap_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock_7BABFC1204E89AF958E465A69AAB2858_terseLabel_en-US">Reconciliation of Unrecognized Tax 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_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock_7BABFC1204E89AF958E465A69AAB2858" id="lab_us-gaap_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock_7BABFC1204E89AF958E465A69AAB2858_label_en-US">Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock" xlink:label="loc_us-gaap_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock_7BABFC1204E89AF958E465A69AAB2858"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock_7BABFC1204E89AF958E465A69AAB2858" xlink:from="loc_us-gaap_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock_7BABFC1204E89AF958E465A69AAB2858" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_F350CE479D951BC0F6EF65A69B47CD69" id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_F350CE479D951BC0F6EF65A69B47CD69_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_F350CE479D951BC0F6EF65A69B47CD69" id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_F350CE479D951BC0F6EF65A69B47CD69_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_F350CE479D951BC0F6EF65A69B47CD69"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_F350CE479D951BC0F6EF65A69B47CD69" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_F350CE479D951BC0F6EF65A69B47CD69" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ScheduleOfGoodwillTable_B9E69D44DE2BFFD4314065A69B4723D3" id="lab_us-gaap_ScheduleOfGoodwillTable_B9E69D44DE2BFFD4314065A69B4723D3_terseLabel_en-US">Schedule of Goodwill [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_ScheduleOfGoodwillTable_B9E69D44DE2BFFD4314065A69B4723D3" id="lab_us-gaap_ScheduleOfGoodwillTable_B9E69D44DE2BFFD4314065A69B4723D3_label_en-US">Schedule of Goodwill [Table]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_B9E69D44DE2BFFD4314065A69B4723D3"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ScheduleOfGoodwillTable_B9E69D44DE2BFFD4314065A69B4723D3" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_B9E69D44DE2BFFD4314065A69B4723D3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_IncomeStatementLocationAxis_D5DE56AF68500B98DCC165A69B47F40D" id="lab_us-gaap_IncomeStatementLocationAxis_D5DE56AF68500B98DCC165A69B47F40D_terseLabel_en-US">Income 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_us-gaap_IncomeStatementLocationAxis_D5DE56AF68500B98DCC165A69B47F40D" id="lab_us-gaap_IncomeStatementLocationAxis_D5DE56AF68500B98DCC165A69B47F40D_label_en-US">Income Statement Location [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_D5DE56AF68500B98DCC165A69B47F40D"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeStatementLocationAxis_D5DE56AF68500B98DCC165A69B47F40D" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_D5DE56AF68500B98DCC165A69B47F40D" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_IncomeStatementLocationDomain_73714BACB58D943C50F065A69B4740A0" id="lab_us-gaap_IncomeStatementLocationDomain_73714BACB58D943C50F065A69B4740A0_terseLabel_en-US">Income 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_us-gaap_IncomeStatementLocationDomain_73714BACB58D943C50F065A69B4740A0" id="lab_us-gaap_IncomeStatementLocationDomain_73714BACB58D943C50F065A69B4740A0_label_en-US">Income Statement Location [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_73714BACB58D943C50F065A69B4740A0"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_IncomeStatementLocationDomain_73714BACB58D943C50F065A69B4740A0" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_73714BACB58D943C50F065A69B4740A0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_RangeAxis_12E5F865E3FA14C5154665A69B47F3E7" id="lab_srt_RangeAxis_12E5F865E3FA14C5154665A69B47F3E7_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_srt_RangeAxis_12E5F865E3FA14C5154665A69B47F3E7" id="lab_srt_RangeAxis_12E5F865E3FA14C5154665A69B47F3E7_label_en-US">Range [Axis]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_12E5F865E3FA14C5154665A69B47F3E7"/>

<link:labelArc xlink:type="arc" xlink:to="lab_srt_RangeAxis_12E5F865E3FA14C5154665A69B47F3E7" xlink:from="loc_srt_RangeAxis_12E5F865E3FA14C5154665A69B47F3E7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

<link:label xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" xlink:type="resource" xlink:label="lab_srt_RangeMember_935C33991E3B3742D7F065A69B47A0F3" id="lab_srt_RangeMember_935C33991E3B3742D7F065A69B47A0F3_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_srt_RangeMember_935C33991E3B3742D7F065A69B47A0F3" id="lab_srt_RangeMember_935C33991E3B3742D7F065A69B47A0F3_label_en-US">Range [Domain]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_935C33991E3B3742D7F065A69B47A0F3"/>

<link:labelArc xlink:type="arc" xlink:to="lab_srt_RangeMember_935C33991E3B3742D7F065A69B47A0F3" xlink:from="loc_srt_RangeMember_935C33991E3B3742D7F065A69B47A0F3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_GoodwillLineItems_4C62FEEF1A70479DAB9965A69B4762CF" id="lab_us-gaap_GoodwillLineItems_4C62FEEF1A70479DAB9965A69B4762CF_terseLabel_en-US">Goodwill [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_GoodwillLineItems_4C62FEEF1A70479DAB9965A69B4762CF" id="lab_us-gaap_GoodwillLineItems_4C62FEEF1A70479DAB9965A69B4762CF_label_en-US">Goodwill [Line Items]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="loc_us-gaap_GoodwillLineItems_4C62FEEF1A70479DAB9965A69B4762CF"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_GoodwillLineItems_4C62FEEF1A70479DAB9965A69B4762CF" xlink:from="loc_us-gaap_GoodwillLineItems_4C62FEEF1A70479DAB9965A69B4762CF" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ScheduleOfGoodwillTextBlock_F5A83CD6143F7FE82E5A65A69B47C11F" id="lab_us-gaap_ScheduleOfGoodwillTextBlock_F5A83CD6143F7FE82E5A65A69B47C11F_terseLabel_en-US">Schedule of Goodwill [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_ScheduleOfGoodwillTextBlock_F5A83CD6143F7FE82E5A65A69B47C11F" id="lab_us-gaap_ScheduleOfGoodwillTextBlock_F5A83CD6143F7FE82E5A65A69B47C11F_label_en-US">Schedule of Goodwill [Table Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfGoodwillTextBlock" xlink:label="loc_us-gaap_ScheduleOfGoodwillTextBlock_F5A83CD6143F7FE82E5A65A69B47C11F"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ScheduleOfGoodwillTextBlock_F5A83CD6143F7FE82E5A65A69B47C11F" xlink:from="loc_us-gaap_ScheduleOfGoodwillTextBlock_F5A83CD6143F7FE82E5A65A69B47C11F" 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_BasisofPresentationAbstract_201671A4664DB746B0CF65A69A9BE134" id="lab_htld_BasisofPresentationAbstract_201671A4664DB746B0CF65A69A9BE134_label_en-US">Basis of Presentation [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_BasisofPresentationAbstract_201671A4664DB746B0CF65A69A9BE134" id="lab_htld_BasisofPresentationAbstract_201671A4664DB746B0CF65A69A9BE134_documentation_en-US">Basis of Presentation [Abstract]</link:label>

<link:loc xlink:type="locator" xlink:href="htld-20180630.xsd#htld_BasisofPresentationAbstract" xlink:label="loc_htld_BasisofPresentationAbstract_201671A4664DB746B0CF65A69A9BE134"/>

<link:labelArc xlink:type="arc" xlink:to="lab_htld_BasisofPresentationAbstract_201671A4664DB746B0CF65A69A9BE134" xlink:from="loc_htld_BasisofPresentationAbstract_201671A4664DB746B0CF65A69A9BE134" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_ConsolidationPolicyTextBlock_78D8D022A26C40F8D1B065A69A9BAD6B" id="lab_us-gaap_ConsolidationPolicyTextBlock_78D8D022A26C40F8D1B065A69A9BAD6B_terseLabel_en-US">Basis of Presentation [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_ConsolidationPolicyTextBlock_78D8D022A26C40F8D1B065A69A9BAD6B" id="lab_us-gaap_ConsolidationPolicyTextBlock_78D8D022A26C40F8D1B065A69A9BAD6B_label_en-US">Consolidation, Policy [Policy Text Block]</link:label>

<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="loc_us-gaap_ConsolidationPolicyTextBlock_78D8D022A26C40F8D1B065A69A9BAD6B"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_ConsolidationPolicyTextBlock_78D8D022A26C40F8D1B065A69A9BAD6B" xlink:from="loc_us-gaap_ConsolidationPolicyTextBlock_78D8D022A26C40F8D1B065A69A9BAD6B" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-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_C999A50699FFFC4F17EE65A69A9B1894" id="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_C999A50699FFFC4F17EE65A69A9B1894_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_C999A50699FFFC4F17EE65A69A9B1894" id="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_C999A50699FFFC4F17EE65A69A9B1894_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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_C999A50699FFFC4F17EE65A69A9B1894"/>

<link:labelArc xlink:type="arc" xlink:to="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_C999A50699FFFC4F17EE65A69A9B1894" xlink:from="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_C999A50699FFFC4F17EE65A69A9B1894" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" order="1"/>

Use of Estimates, Policy [Policy Text Block]

Use of Estimates, Policy [Policy Text Block]

Segment Reporting, Policy [Policy Text Block]

Segment Reporting, Policy [Policy Text Block]

Revenue Recognition, Policy [Policy Text Block]

Revenue Recognition, Policy [Policy Text Block]

Cash and Cash Equivalents, Policy [Policy Text Block]

Cash and Cash Equivalents, Policy [Policy Text Block]

Property, Plant and Equipment, Policy [Policy Text Block]

Property, Plant and Equipment, Policy [Policy Text Block]

Earnings Per Share, Policy [Policy Text Block]

Earnings Per Share, Policy [Policy Text Block]

Income Tax, Policy [Policy Text Block]

Income Tax, Policy [Policy Text Block]

Income Tax Uncertainties, Policy [Policy Text Block]

Income Tax Uncertainties, Policy [Policy Text Block]

Subsequent Event [Table]

Subsequent Event [Table]

Subsequent Event Type [Axis]

Subsequent Event Type [Axis]

Subsequent Event Type [Domain]

Subsequent Event Type [Domain]

Subsequent Event [Member]

Subsequent Event [Member]

Equity Components [Axis]

Subsequent Event [Line Items]

Subsequent Event [Line Items]

Payments for Repurchase of Common Stock

Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table]

Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table]

Unrecognized Tax Benefits [Axis]

Portion of Tax Benefit Recorded Position [Domain]

Unrecognized Tax Benefits [Axis]

Unrecognized Tax Benefits [Axis]

Unrecognized Tax Benefits [Axis]

Portion of Tax Benefit Recorded Position [Domain]

Portion of Tax Benefit Recorded Position [Domain]

Portion of Tax Benefit Recorded Position [Domain]

Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]

Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]

Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Lower Bound

Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit

Effective Income Tax Rate, Percent

Effective Income Tax Rate Reconciliation, Percent

Valuation Allowance [Abstract]

Valuation Allowance, Amount

Deferred Tax Assets, Valuation Allowance

Income Tax Uncertainties [Abstract]

Unrecognized Tax Benefits that Would Impact Effective Tax Rate

Unrecognized Tax Benefits that Would Impact Effective Tax Rate

Unrecognized Tax Benefits, Period Increase (Decrease)

Unrecognized Tax Benefits, Period Increase (Decrease)

Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued

Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued

Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense

Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense

Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]

Balance beginning of period

Unrecognized Tax Benefits

Additions based on tax positions related to current year

Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions

Additions for tax positions of prior years

Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions

Reductions for tax positions of prior years

Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions

Reductions due to lapse of applicable statute of limitations

Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations

Settlements

Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities

Balance end of period

Change In Gross Amount of Identifiable Intangible Assets

Increase (Decrease) in Intangible Assets, Non-Current

Increase (Decrease) in Intangible Assets, Non-Current

Finite-Lived Intangible Assets, Amortization Expense

Amortization of Intangible Assets

Schedule of Finite-Lived Intangible Assets [Table]

Schedule of Finite-Lived Intangible Assets [Table]

Finite-Lived Intangible Assets by Major Class [Axis]

Finite-Lived Intangible Assets by Major Class [Axis]

Finite-Lived Intangible Assets, Major Class Name [Domain]

Finite-Lived Intangible Assets, Major Class Name [Domain]

Customer Relationships

Customer Relationships [Member]

Tradename

Trade Names [Member]

Covenants Not to Compete

Noncompete Agreements [Member]

Real Estate Options

Real Estate [Member]

Finite-Lived Intangible Assets [Line Items]

Finite-Lived Intangible Assets [Line Items]

Amortization period (years)

Finite-Lived Intangible Asset, Useful Life

Gross Amount

Finite-Lived Intangible Assets, Gross

Accumulated Amortization

Finite-Lived Intangible Assets, Accumulated Amortization

Net Intangible Assets

Finite-Lived Intangible Assets, Net

Cash and Cash Equivalents [Abstract]

Cash and Cash Equivalents

Cash and Cash Equivalents Disclosure [Text Block]

Revenue from Contract with Customer [Text Block]

Revenue from Contract with Customer [Text Block]

Schedule of Operating Leased Assets [Table]

Schedule of Operating Leased Assets [Table]

Operating Leased Assets [Line Items]

Operating Leased Assets [Line Items]

Related Party Transaction, Expenses from Transactions with Related Party

Related Party Transaction, Expenses from Transactions with Related Party

Schedule of Related Party Transactions [Table Text Block]

Schedule of Related Party Transactions [Table Text Block]

Stock Based Compensation

Disclosure of Compensation Related Costs, Share-based Payments [Text Block]

Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table]

Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table]

Class of Stock [Axis]

Class of Stock [Axis]

Class of Stock [Domain]

Class of Stock [Domain]

Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]

Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]

Basic EPS, Shares

Basic EPS, Per Share Amount

Effect of restricted stock

Dilutive Securities, Effect on Basic Earnings Per Share, Options and Restrictive Stock Units

Effect of restricted stock, Shares

Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements

Diluted EPS, Net Income

Net Income (Loss) Available to Common Stockholders, Diluted

Diluted EPS, Shares

Diluted EPS, Per Share Amount

Statement of Financial Position [Abstract]

ASSETS

Assets [Abstract]

CURRENT ASSETS

Assets, Current [Abstract]

Cash and cash equivalents

Trade receivables, net of allowance of $1.5 million and $1.5 million

Accounts Receivable, Net, Current

Prepaid tires

Other Prepaid Expense, Current

Other current assets

Other Assets, Current

Income tax receivable

Income Taxes Receivable, Current

Total current assets

Assets, Current

Assets, Noncurrent [Abstract]

Assets, Noncurrent [Abstract]

PROPERTY AND EQUIPMENT

Property, Plant and Equipment, Gross [Abstract]

Land and land improvements

Land and Land Improvements

Buildings

Buildings and Improvements, Gross

Leasehold improvements

Leasehold Improvements, Gross

Furniture and fixtures

Furniture and Fixtures, Gross

Shop and service equipment

Machinery and Equipment, Gross

Revenue equipment

REVENUE EQUIPMENT

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.

Construction in progress

Construction in Progress, Gross

Property, Plant and Equipment, Gross

Property, Plant and Equipment, Gross

Less accumulated depreciation

Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment

Property and equipment, net

Property, Plant and Equipment, Net

GOODWILL

Goodwill

OTHER INTANGIBLES, NET

Intangible Assets, Net (Excluding Goodwill)

Deferred Income Taxes, Net

Deferred Income Tax Assets, Net

OTHER ASSETS

Other Assets, Noncurrent

Assets

Assets

LIABILITIES AND STOCKHOLDERS' EQUITY

Liabilities and Equity [Abstract]

CURRENT LIABILITIES

Liabilities, Current [Abstract]

Accounts payable and accrued liabilities

Accounts Payable and Accrued Liabilities, Current

Compensation and benefits

Employee-related Liabilities, Current

Insurance accruals

Self Insurance Reserve, Current

Income Taxes payable

Accrued Income Taxes, Current

Other accruals

Other Accrued Liabilities, Current

Total current liabilities

Liabilities, Current

LONG-TERM LIABILITIES

Liabilities, Noncurrent [Abstract]

Income taxes payable

Accrued Income Taxes, Noncurrent

Deferred income taxes, net

Deferred Tax Liabilities, Net, Noncurrent

Insurance accruals less current portion

Self Insurance Reserve, Noncurrent

Total long-term liabilities

Liabilities, Noncurrent

COMMITMENTS AND CONTINGENCIES (Note 15)

Commitments and Contingencies

STOCKHOLDERS' EQUITY

Stockholders' Equity Attributable to Parent [Abstract]

Preferred stock, par value $.01; authorized 5,000 shares; none issued

Preferred Stock, Value, Issued

Capital stock, common, $.01 par value; authorized 395,000 shares; issued 90,689 in 2018 and 2017; outstanding 82,151 in 2018 and 83,303 in 2017

Common Stock, Value, Issued

Additional paid-in capital

Additional Paid in Capital, Common Stock

Retained earnings

Retained Earnings (Accumulated Deficit)

Treasury stock, at cost; 8,538 shares in 2018 and 7,386 in 2017

Treasury Stock, Value

Stockholders' Equity Attributable to Parent

Liabilities and Stockholders' Equity

Liabilities and Equity

Increase to Cash from Investing Activity [Abstract]

Increase to Cash from Investing Activity [Abstract]

ASU 2016-18 Reclassification Adjustment

Prior Period Reclassification Adjustment

Restricted Cash and Cash Equivalents [Axis]

Restricted Cash and Cash Equivalents [Axis]

Cash and Cash Equivalents [Domain]

Cash and Cash Equivalents [Domain]

Business Acquisition [Axis]

Business Acquisition [Axis]

Business Acquisition, Acquiree [Domain]

Business Acquisition, Acquiree [Domain]

Insurance Claims [Member]

Insurance Claims [Member]

revenue equipment [Member]

revenue equipment [Member]

revenue equipment [Member]

Restricted Cash and Cash Equivalents

Restricted Cash and Cash Equivalents

Restricted Cash included in other current assets

Restricted Cash included in other assets

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

Acquisition [Abstract]

Acquisition [Abstract]

Acquisitions

</link:labelLink>

</link:linkbase>