<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:6ac27b52-b4ea-4451-ae42-8b24a76af45c,g:cf17129e-1531-4094-9705-7853048e6a43-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:wern="http://www.werner.com/20231231" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types1="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.werner.com/20231231">
  <xs:import namespace="http://fasb.org/srt/2023" schemaLocation="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2023" schemaLocation="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd"/>
  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://www.xbrl.org/2003/xlink-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2023" schemaLocation="https://xbrl.sec.gov/country/2023/country-2023.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2023" schemaLocation="https://xbrl.sec.gov/dei/2023/dei-2023.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2023" schemaLocation="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="wern-20231231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="wern-20231231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="wern-20231231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="wern-20231231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="Cover" roleURI="http://www.werner.com/role/Cover">
        <link:definition>0000001 - Document - Cover</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AuditInformation" roleURI="http://www.werner.com/role/AuditInformation">
        <link:definition>0000002 - Document - Audit Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFINCOME" roleURI="http://www.werner.com/role/CONSOLIDATEDSTATEMENTSOFINCOME">
        <link:definition>0000003 - Statement - CONSOLIDATED STATEMENTS OF INCOME</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" roleURI="http://www.werner.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME">
        <link:definition>0000004 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDBALANCESHEETS" roleURI="http://www.werner.com/role/CONSOLIDATEDBALANCESHEETS">
        <link:definition>0000005 - Statement - CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDBALANCESHEETSParenthetical" roleURI="http://www.werner.com/role/CONSOLIDATEDBALANCESHEETSParenthetical">
        <link:definition>0000006 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFCASHFLOWS" roleURI="http://www.werner.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS">
        <link:definition>0000007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYANDTEMPORARYEQUITYREDEEMABLENONCONTROLLINGINTEREST" roleURI="http://www.werner.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYANDTEMPORARYEQUITYREDEEMABLENONCONTROLLINGINTEREST">
        <link:definition>0000008 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS&#8217; EQUITY AND TEMPORARY EQUITY - REDEEMABLE NONCONTROLLING INTEREST</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYANDTEMPORARYEQUITYREDEEMABLENONCONTROLLINGINTERESTParenthetical" roleURI="http://www.werner.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYANDTEMPORARYEQUITYREDEEMABLENONCONTROLLINGINTERESTParenthetical">
        <link:definition>0000009 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS&#8217; EQUITY AND TEMPORARY EQUITY - REDEEMABLE NONCONTROLLING INTEREST (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES" roleURI="http://www.werner.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES">
        <link:definition>0000010 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BUSINESSACQUISITIONS" roleURI="http://www.werner.com/role/BUSINESSACQUISITIONS">
        <link:definition>0000011 - Disclosure - BUSINESS ACQUISITIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUE" roleURI="http://www.werner.com/role/REVENUE">
        <link:definition>0000012 - Disclosure - REVENUE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GOODWILLANDINTANGIBLEASSETS" roleURI="http://www.werner.com/role/GOODWILLANDINTANGIBLEASSETS">
        <link:definition>0000013 - Disclosure - GOODWILL AND INTANGIBLE ASSETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASES" roleURI="http://www.werner.com/role/LEASES">
        <link:definition>0000014 - Disclosure - LEASES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FAIRVALUE" roleURI="http://www.werner.com/role/FAIRVALUE">
        <link:definition>0000015 - Disclosure - FAIR VALUE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVESTMENTS" roleURI="http://www.werner.com/role/INVESTMENTS">
        <link:definition>0000016 - Disclosure - INVESTMENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DEBTANDCREDITFACILITIES" roleURI="http://www.werner.com/role/DEBTANDCREDITFACILITIES">
        <link:definition>0000017 - Disclosure - DEBT AND CREDIT FACILITIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NOTESRECEIVABLE" roleURI="http://www.werner.com/role/NOTESRECEIVABLE">
        <link:definition>0000018 - Disclosure - NOTES RECEIVABLE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXES" roleURI="http://www.werner.com/role/INCOMETAXES">
        <link:definition>0000019 - Disclosure - INCOME TAXES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYCOMPENSATIONANDEMPLOYEEBENEFITPLANS" roleURI="http://www.werner.com/role/EQUITYCOMPENSATIONANDEMPLOYEEBENEFITPLANS">
        <link:definition>0000020 - Disclosure - EQUITY COMPENSATION AND EMPLOYEE BENEFIT PLANS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COMMITMENTSANDCONTINGENCIES" roleURI="http://www.werner.com/role/COMMITMENTSANDCONTINGENCIES">
        <link:definition>0000021 - Disclosure - COMMITMENTS AND CONTINGENCIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTINFORMATION" roleURI="http://www.werner.com/role/SEGMENTINFORMATION">
        <link:definition>0000022 - Disclosure - SEGMENT INFORMATION</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SCHEDULEIIVALUATIONANDQUALIFYINGACCOUNTS" roleURI="http://www.werner.com/role/SCHEDULEIIVALUATIONANDQUALIFYINGACCOUNTS">
        <link:definition>0000023 - Disclosure - SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies" roleURI="http://www.werner.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies">
        <link:definition>9954471 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables" roleURI="http://www.werner.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables">
        <link:definition>9954472 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BUSINESSACQUISITIONSTables" roleURI="http://www.werner.com/role/BUSINESSACQUISITIONSTables">
        <link:definition>9954473 - Disclosure - BUSINESS ACQUISITIONS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUETables" roleURI="http://www.werner.com/role/REVENUETables">
        <link:definition>9954474 - Disclosure - REVENUE (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GOODWILLANDINTANGIBLEASSETSTables" roleURI="http://www.werner.com/role/GOODWILLANDINTANGIBLEASSETSTables">
        <link:definition>9954475 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASESTables" roleURI="http://www.werner.com/role/LEASESTables">
        <link:definition>9954476 - Disclosure - LEASES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FAIRVALUETables" roleURI="http://www.werner.com/role/FAIRVALUETables">
        <link:definition>9954477 - Disclosure - FAIR VALUE (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVESTMENTSTables" roleURI="http://www.werner.com/role/INVESTMENTSTables">
        <link:definition>9954478 - Disclosure - INVESTMENTS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DEBTANDCREDITFACILITIESTables" roleURI="http://www.werner.com/role/DEBTANDCREDITFACILITIESTables">
        <link:definition>9954479 - Disclosure - DEBT AND CREDIT FACILITIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NOTESRECEIVABLETables" roleURI="http://www.werner.com/role/NOTESRECEIVABLETables">
        <link:definition>9954480 - Disclosure - NOTES RECEIVABLE (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESTables" roleURI="http://www.werner.com/role/INCOMETAXESTables">
        <link:definition>9954481 - Disclosure - INCOME TAXES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYCOMPENSATIONANDEMPLOYEEBENEFITPLANSTables" roleURI="http://www.werner.com/role/EQUITYCOMPENSATIONANDEMPLOYEEBENEFITPLANSTables">
        <link:definition>9954482 - Disclosure - EQUITY COMPENSATION AND EMPLOYEE BENEFIT PLANS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTINFORMATIONTables" roleURI="http://www.werner.com/role/SEGMENTINFORMATIONTables">
        <link:definition>9954483 - Disclosure - SEGMENT INFORMATION (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNarrativeDetails" roleURI="http://www.werner.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNarrativeDetails">
        <link:definition>9954484 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESScheduleofEstimatedUsefulLifeDetails" roleURI="http://www.werner.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESScheduleofEstimatedUsefulLifeDetails">
        <link:definition>9954485 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Estimated Useful Life (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESScheduleOfBasicandDilutedEarningsPerShareDetails" roleURI="http://www.werner.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESScheduleOfBasicandDilutedEarningsPerShareDetails">
        <link:definition>9954486 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule Of Basic and Diluted Earnings Per Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BUSINESSACQUISITIONSNarrativeDetails" roleURI="http://www.werner.com/role/BUSINESSACQUISITIONSNarrativeDetails">
        <link:definition>9954487 - Disclosure - BUSINESS ACQUISITIONS - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BUSINESSACQUISITIONSScheduleofPurchasePriceallocationsofAcquisitionsDetails" roleURI="http://www.werner.com/role/BUSINESSACQUISITIONSScheduleofPurchasePriceallocationsofAcquisitionsDetails">
        <link:definition>9954488 - Disclosure - BUSINESS ACQUISITIONS - Schedule of Purchase Price allocations of Acquisitions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUEScheduleofDisaggregationofRevenuebyRevenueSourceDetails" roleURI="http://www.werner.com/role/REVENUEScheduleofDisaggregationofRevenuebyRevenueSourceDetails">
        <link:definition>9954489 - Disclosure - REVENUE - Schedule of Disaggregation of Revenue by Revenue Source (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUEScheduleofDisaggregationofRevenuebyGeographicalAreasDetails" roleURI="http://www.werner.com/role/REVENUEScheduleofDisaggregationofRevenuebyGeographicalAreasDetails">
        <link:definition>9954490 - Disclosure - REVENUE - Schedule of Disaggregation of Revenue by Geographical Areas (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUENarrativeDetails" roleURI="http://www.werner.com/role/REVENUENarrativeDetails">
        <link:definition>9954491 - Disclosure - REVENUE - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GOODWILLANDINTANGIBLEASSETSScheduleofGoodwillbySegmentDetails" roleURI="http://www.werner.com/role/GOODWILLANDINTANGIBLEASSETSScheduleofGoodwillbySegmentDetails">
        <link:definition>9954492 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill by Segment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GOODWILLANDINTANGIBLEASSETSScheduleofAcquiredIntangibleAssetsDetails" roleURI="http://www.werner.com/role/GOODWILLANDINTANGIBLEASSETSScheduleofAcquiredIntangibleAssetsDetails">
        <link:definition>9954493 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Acquired Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GOODWILLANDINTANGIBLEASSETSNarrativeDetails" roleURI="http://www.werner.com/role/GOODWILLANDINTANGIBLEASSETSNarrativeDetails">
        <link:definition>9954494 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GOODWILLANDINTANGIBLEASSETSScheduleofFutureAmortizationExpenseofIntangibleAssetsDetails" roleURI="http://www.werner.com/role/GOODWILLANDINTANGIBLEASSETSScheduleofFutureAmortizationExpenseofIntangibleAssetsDetails">
        <link:definition>9954495 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Future Amortization Expense of Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASESNarrativeDetails" roleURI="http://www.werner.com/role/LEASESNarrativeDetails">
        <link:definition>9954496 - Disclosure - LEASES - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASESScheduleofOperatingLeaseInformationDetails" roleURI="http://www.werner.com/role/LEASESScheduleofOperatingLeaseInformationDetails">
        <link:definition>9954497 - Disclosure - LEASES - Schedule of Operating Lease Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASESScheduleofMaturitiesofOperatingLeaseLiabilitiesDetails" roleURI="http://www.werner.com/role/LEASESScheduleofMaturitiesofOperatingLeaseLiabilitiesDetails">
        <link:definition>9954498 - Disclosure - LEASES - Schedule of Maturities of Operating Lease Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASESScheduleofMaturitiesofOperatingLeaseLiabilitiesDetails_1" roleURI="http://www.werner.com/role/LEASESScheduleofMaturitiesofOperatingLeaseLiabilitiesDetails_1">
        <link:definition>9954498 - Disclosure - LEASES - Schedule of Maturities of Operating Lease Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASESScheduleofLessorOperatingLeaseMaturitiesDetails" roleURI="http://www.werner.com/role/LEASESScheduleofLessorOperatingLeaseMaturitiesDetails">
        <link:definition>9954499 - Disclosure - LEASES - Schedule of Lessor Operating Lease Maturities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FAIRVALUEScheduleofAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetails" roleURI="http://www.werner.com/role/FAIRVALUEScheduleofAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetails">
        <link:definition>9954500 - Disclosure - FAIR VALUE - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FAIRVALUEScheduleofChangesInFairValueofContingentConsiderationDetails" roleURI="http://www.werner.com/role/FAIRVALUEScheduleofChangesInFairValueofContingentConsiderationDetails">
        <link:definition>9954501 - Disclosure - FAIR VALUE - Schedule of Changes In Fair Value of Contingent Consideration (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FAIRVALUENarrativeDetails" roleURI="http://www.werner.com/role/FAIRVALUENarrativeDetails">
        <link:definition>9954502 - Disclosure - FAIR VALUE - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVESTMENTSNarrativeDetails" roleURI="http://www.werner.com/role/INVESTMENTSNarrativeDetails">
        <link:definition>9954503 - Disclosure - INVESTMENTS - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVESTMENTSScheduleofInvestmentsWithoutReadilyDeterminableFairValueDetails" roleURI="http://www.werner.com/role/INVESTMENTSScheduleofInvestmentsWithoutReadilyDeterminableFairValueDetails">
        <link:definition>9954504 - Disclosure - INVESTMENTS - Schedule of Investments Without Readily Determinable Fair Value (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsScheduleofInvestmentsWithReadilyDeterminableFairValueDetails" roleURI="http://www.werner.com/role/InvestmentsScheduleofInvestmentsWithReadilyDeterminableFairValueDetails">
        <link:definition>9954505 - Disclosure - Investments - Schedule of Investments With Readily Determinable Fair Value (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DEBTANDCREDITFACILITIESNarrativeDetails" roleURI="http://www.werner.com/role/DEBTANDCREDITFACILITIESNarrativeDetails">
        <link:definition>9954506 - Disclosure - DEBT AND CREDIT FACILITIES - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DEBTANDCREDITFACILITIESScheduleofMaturitiesofLongtermDebtDetails" roleURI="http://www.werner.com/role/DEBTANDCREDITFACILITIESScheduleofMaturitiesofLongtermDebtDetails">
        <link:definition>9954507 - Disclosure - DEBT AND CREDIT FACILITIES - Schedule of Maturities of Long-term Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NOTESRECEIVABLENarrativeDetails" roleURI="http://www.werner.com/role/NOTESRECEIVABLENarrativeDetails">
        <link:definition>9954508 - Disclosure - NOTES RECEIVABLE - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NOTESRECEIVABLEScheduleofNotesReceivableDetails" roleURI="http://www.werner.com/role/NOTESRECEIVABLEScheduleofNotesReceivableDetails">
        <link:definition>9954509 - Disclosure - NOTES RECEIVABLE - Schedule of Notes Receivable (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NOTESRECEIVABLEScheduleofStudentNotesReceivableDetails" roleURI="http://www.werner.com/role/NOTESRECEIVABLEScheduleofStudentNotesReceivableDetails">
        <link:definition>9954510 - Disclosure - NOTES RECEIVABLE - Schedule of Student Notes Receivable (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NOTESRECEIVABLEScheduleofStudentNotesReceivableDetails_1" roleURI="http://www.werner.com/role/NOTESRECEIVABLEScheduleofStudentNotesReceivableDetails_1">
        <link:definition>9954510 - Disclosure - NOTES RECEIVABLE - Schedule of Student Notes Receivable (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESScheduleofIncomeTaxExpenseDetails" roleURI="http://www.werner.com/role/INCOMETAXESScheduleofIncomeTaxExpenseDetails">
        <link:definition>9954511 - Disclosure - INCOME TAXES - Schedule of Income Tax Expense (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESScheduleofEffectiveIncomeTaxReconciliationDetails" roleURI="http://www.werner.com/role/INCOMETAXESScheduleofEffectiveIncomeTaxReconciliationDetails">
        <link:definition>9954512 - Disclosure - INCOME TAXES - Schedule of Effective Income Tax Reconciliation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESScheduleofDeferredTaxAssetsandLiabilitiesDetails" roleURI="http://www.werner.com/role/INCOMETAXESScheduleofDeferredTaxAssetsandLiabilitiesDetails">
        <link:definition>9954513 - Disclosure - INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESNarrativeDetails" roleURI="http://www.werner.com/role/INCOMETAXESNarrativeDetails">
        <link:definition>9954514 - Disclosure - INCOME TAXES - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESScheduleofUnrecognizedTaxBenefitsRollForwardDetails" roleURI="http://www.werner.com/role/INCOMETAXESScheduleofUnrecognizedTaxBenefitsRollForwardDetails">
        <link:definition>9954515 - Disclosure - INCOME TAXES - Schedule of Unrecognized Tax Benefits Roll Forward (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYCOMPENSATIONANDEMPLOYEEBENEFITPLANSNarrativeDetails" roleURI="http://www.werner.com/role/EQUITYCOMPENSATIONANDEMPLOYEEBENEFITPLANSNarrativeDetails">
        <link:definition>9954516 - Disclosure - EQUITY COMPENSATION AND EMPLOYEE BENEFIT PLANS - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYCOMPENSATIONANDEMPLOYEEBENEFITPLANSScheduleofEquityCompensationExpenseandRelatedIncomeTaxBenefitRecognizedDetails" roleURI="http://www.werner.com/role/EQUITYCOMPENSATIONANDEMPLOYEEBENEFITPLANSScheduleofEquityCompensationExpenseandRelatedIncomeTaxBenefitRecognizedDetails">
        <link:definition>9954517 - Disclosure - EQUITY COMPENSATION AND EMPLOYEE BENEFIT PLANS - Schedule of Equity Compensation Expense and Related Income Tax Benefit Recognized (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYCOMPENSATIONANDEMPLOYEEBENEFITPLANSScheduleofEquityCompensationStockActivityDetails" roleURI="http://www.werner.com/role/EQUITYCOMPENSATIONANDEMPLOYEEBENEFITPLANSScheduleofEquityCompensationStockActivityDetails">
        <link:definition>9954518 - Disclosure - EQUITY COMPENSATION AND EMPLOYEE BENEFIT PLANS - Schedule of Equity Compensation Stock Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYCOMPENSATIONANDEMPLOYEEBENEFITPLANSScheduleofContributionsforEmployeeStockPurchasePlanDetails" roleURI="http://www.werner.com/role/EQUITYCOMPENSATIONANDEMPLOYEEBENEFITPLANSScheduleofContributionsforEmployeeStockPurchasePlanDetails">
        <link:definition>9954519 - Disclosure - EQUITY COMPENSATION AND EMPLOYEE BENEFIT PLANS - Schedule of Contributions for Employee Stock Purchase Plan (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYCOMPENSATIONANDEMPLOYEEBENEFITPLANSScheduleofContributionsandAdministrativeExpensesUnder401kRetirementSavingsPlanDetails" roleURI="http://www.werner.com/role/EQUITYCOMPENSATIONANDEMPLOYEEBENEFITPLANSScheduleofContributionsandAdministrativeExpensesUnder401kRetirementSavingsPlanDetails">
        <link:definition>9954520 - Disclosure - EQUITY COMPENSATION AND EMPLOYEE BENEFIT PLANS - Schedule of Contributions and Administrative Expenses Under 401(k) Retirement Savings Plan (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYCOMPENSATIONANDEMPLOYEEBENEFITPLANSScheduleofAccumulatedBenefitObligationandAggregateMarketValueofLifeInsurancePoliciesDetails" roleURI="http://www.werner.com/role/EQUITYCOMPENSATIONANDEMPLOYEEBENEFITPLANSScheduleofAccumulatedBenefitObligationandAggregateMarketValueofLifeInsurancePoliciesDetails">
        <link:definition>9954521 - Disclosure - EQUITY COMPENSATION AND EMPLOYEE BENEFIT PLANS - Schedule of Accumulated Benefit Obligation and Aggregate Market Value of Life Insurance Policies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COMMITMENTSANDCONTINGENCIESDetails" roleURI="http://www.werner.com/role/COMMITMENTSANDCONTINGENCIESDetails">
        <link:definition>9954522 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTINFORMATIONNarrativesDetails" roleURI="http://www.werner.com/role/SEGMENTINFORMATIONNarrativesDetails">
        <link:definition>9954523 - Disclosure - SEGMENT INFORMATION - Narratives (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTINFORMATIONScheduleofSegmentInformationDetails" roleURI="http://www.werner.com/role/SEGMENTINFORMATIONScheduleofSegmentInformationDetails">
        <link:definition>9954524 - Disclosure - SEGMENT INFORMATION - Schedule of Segment Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTINFORMATIONScheduleofRevenueandLongLivedAssetsbyGeographicalAreasDetails" roleURI="http://www.werner.com/role/SEGMENTINFORMATIONScheduleofRevenueandLongLivedAssetsbyGeographicalAreasDetails">
        <link:definition>9954525 - Disclosure - SEGMENT INFORMATION - Schedule of Revenue and Long-Lived Assets, by Geographical Areas (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SCHEDULEIIVALUATIONANDQUALIFYINGACCOUNTSDetails" roleURI="http://www.werner.com/role/SCHEDULEIIVALUATIONANDQUALIFYINGACCOUNTSDetails">
        <link:definition>9954526 - Disclosure - SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="wern_OneMonthSecuredOvernightFinancingRateSOFRMember" abstract="true" name="OneMonthSecuredOvernightFinancingRateSOFRMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_ScheduleOfDeferredCompensationAssetsAndLiabilitiesTableTextBlock" abstract="false" name="ScheduleOfDeferredCompensationAssetsAndLiabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="wern_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentCashConsiderationPaid" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentCashConsiderationPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_ShareBasedPaymentArrangementByShareBasedCompensationSpecifiedPerformanceObjectivesPerformancePeriod" abstract="false" name="ShareBasedPaymentArrangementByShareBasedCompensationSpecifiedPerformanceObjectivesPerformancePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wern_FederalFundsRateMember" abstract="true" name="FederalFundsRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_A2022PerformanceSharesMember" abstract="true" name="A2022PerformanceSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wern_EmployeeBenefitsDomain" abstract="true" name="EmployeeBenefitsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_RightOfUseAssetsObtainedInBusinessCombination" abstract="false" name="RightOfUseAssetsObtainedInBusinessCombination" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_ECMTransportGroupMember" abstract="true" name="ECMTransportGroupMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentWorkingCapitalSurplusDeficiency" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentWorkingCapitalSurplusDeficiency" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_SelfInsuranceRetentionLiability" abstract="false" name="SelfInsuranceRetentionLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_EquitySecuritiesWithReadilyDeterminableFairValueTable" abstract="true" name="EquitySecuritiesWithReadilyDeterminableFairValueTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="wern_BusinessCombinationNetPresentValueOfFutureInsurancePayments" abstract="false" name="BusinessCombinationNetPresentValueOfFutureInsurancePayments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentCurrentLiabilities" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentCurrentLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_ScheduleOfContributionsForEmployeeStockPurchasePlanTableTextBlock" abstract="false" name="ScheduleOfContributionsForEmployeeStockPurchasePlanTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="wern_TransportationServicesMember" abstract="true" name="TransportationServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_BaylorMember" abstract="true" name="BaylorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_LineOfCreditFacilityInterestRateSwapMatureDateAtJulyTwoThousandTwentySixMember" abstract="true" name="LineOfCreditFacilityInterestRateSwapMatureDateAtJulyTwoThousandTwentySixMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wern_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wern_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentTotalAssetsAcquired" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentTotalAssetsAcquired" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_VariableRateRevolvingCreditFacilityMember" abstract="true" name="VariableRateRevolvingCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_GainOnServices" abstract="false" name="GainOnServices" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_BusinessCombinationPercentageOwnershipRetainedByNoncontrollingInterest" abstract="false" name="BusinessCombinationPercentageOwnershipRetainedByNoncontrollingInterest" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="wern_TruckloadTransportationServicesSegmentMember" abstract="true" name="TruckloadTransportationServicesSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_RentPurchasedTransportation" abstract="false" name="RentPurchasedTransportation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherLongTermLiabilities" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherLongTermLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_OthersMember" abstract="true" name="OthersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_NumberOfInterestRateSwapsEnteredIntoDuringPeriod" abstract="false" name="NumberOfInterestRateSwapsEnteredIntoDuringPeriod" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wern_OtherSegmentMember" abstract="true" name="OtherSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_AverageTransitTime" abstract="false" name="AverageTransitTime" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wern_LetterOfCreditFeeCommissionPercentage" abstract="false" name="LetterOfCreditFeeCommissionPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="wern_TrailersMember" abstract="true" name="TrailersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_DeferredTaxAssetsLeasingArrangements" abstract="false" name="DeferredTaxAssetsLeasingArrangements" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_PropertyAndEquipmentDisposedIncludedInOtherReceivables" abstract="false" name="PropertyAndEquipmentDisposedIncludedInOtherReceivables" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_EquitySecuritiesWithReadilyDeterminableFairValueLineItems" abstract="true" name="EquitySecuritiesWithReadilyDeterminableFairValueLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wern_EquityMethodInvestmentPurchaseCommitment" abstract="false" name="EquityMethodInvestmentPurchaseCommitment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_AnnualAggregateLimit" abstract="false" name="AnnualAggregateLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_TotalForeignCountriesMember" abstract="true" name="TotalForeignCountriesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_BusinessCombinationPaymentForContingentConsideration" abstract="false" name="BusinessCombinationPaymentForContingentConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_StockIssuedDuringPeriodValueStockOptionsExercisedAndTaxEffect" abstract="false" name="StockIssuedDuringPeriodValueStockOptionsExercisedAndTaxEffect" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_NumberOfParticipantsInExecutiveNonqualifiedExcessPlan" abstract="false" name="NumberOfParticipantsInExecutiveNonqualifiedExcessPlan" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wern_ServiceAndOtherEquipmentMember" abstract="true" name="ServiceAndOtherEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_IncreaseDecreaseInSelfInsuranceReservesNoncurrent" abstract="false" name="IncreaseDecreaseInSelfInsuranceReservesNoncurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_TemporaryEquityPurchaseAccountingAdjustments" abstract="false" name="TemporaryEquityPurchaseAccountingAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_ScheduleofStudentNotesReceivableAbstract" abstract="true" name="ScheduleofStudentNotesReceivableAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wern_MLSISubordinatedPromissoryNoteMember" abstract="true" name="MLSISubordinatedPromissoryNoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wern_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherNonCurrentAssets" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherNonCurrentAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_LossContingencyDamagesAwardedExpenses" abstract="false" name="LossContingencyDamagesAwardedExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_WorkersCompensationInsuranceBonds" abstract="false" name="WorkersCompensationInsuranceBonds" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_ReedTMSMember" abstract="true" name="ReedTMSMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentContingentConsiderationArrangement" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentContingentConsiderationArrangement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_RevenueEquipmentGross" abstract="false" name="RevenueEquipmentGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_EscrowPostClosingAdjustments" abstract="false" name="EscrowPostClosingAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_A2022CreditAgreementInterestRateSwapMatureDateAtMayTwoThousandTwentyFourMember" abstract="true" name="A2022CreditAgreementInterestRateSwapMatureDateAtMayTwoThousandTwentyFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wern_LongTermOperatingLeaseExpense" abstract="false" name="LongTermOperatingLeaseExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_ShareBasedPaymentArrangementByShareBasedCompensationSpecifiedPerformanceObjectivesIncreaseDecreasePercentage" abstract="false" name="ShareBasedPaymentArrangementByShareBasedCompensationSpecifiedPerformanceObjectivesIncreaseDecreasePercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wern_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentTotalLiabilitiesAssumed" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentTotalLiabilitiesAssumed" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_SelfInsuranceRetentionWorkersCompensation" abstract="false" name="SelfInsuranceRetentionWorkersCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_LetterOfCreditSellerObtainedCompanyAsBeneficiary" abstract="false" name="LetterOfCreditSellerObtainedCompanyAsBeneficiary" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_PercentageOfInterestAccruesOnPurchasePlanContributions" abstract="false" name="PercentageOfInterestAccruesOnPurchasePlanContributions" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="wern_BusinessCombinationContingentConsiderationLiabilityNoncurrentFairValueDisclosure" abstract="false" name="BusinessCombinationContingentConsiderationLiabilityNoncurrentFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_BusinessCombinationWorkingCapitalSurplusDeficiency" abstract="false" name="BusinessCombinationWorkingCapitalSurplusDeficiency" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_BusinessCombinationPeriodToObtainRemainingInterest" abstract="false" name="BusinessCombinationPeriodToObtainRemainingInterest" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wern_OtherrevenuerecognitionsegmentsMember" abstract="true" name="OtherrevenuerecognitionsegmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_EquitySecuritiesWithReadilyDeterminableFairValueTableTextBlock" abstract="false" name="EquitySecuritiesWithReadilyDeterminableFairValueTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wern_OtherEquityInvestmentsWithoutReadilyDeterminableFairValuesMember" abstract="true" name="OtherEquityInvestmentsWithoutReadilyDeterminableFairValuesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wern_BMOTermLoanMember" abstract="true" name="BMOTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_MasteryLogisticsSystemsIncMember" abstract="true" name="MasteryLogisticsSystemsIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_DollarGeneralMember" abstract="true" name="DollarGeneralMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_AccountsReceivableRecordedInvestmentPastDueDays" abstract="false" name="AccountsReceivableRecordedInvestmentPastDueDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wern_StateOfNebraskaMember" abstract="true" name="StateOfNebraskaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_WorkersCompensationInsuranceCarrierMember" abstract="true" name="WorkersCompensationInsuranceCarrierMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_NumberOfOperatingUnits" abstract="false" name="NumberOfOperatingUnits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wern_LineOfCreditFacilityInterestRateSwapMatureDateAtJulyTwoThousandTwentyFiveMember" abstract="true" name="LineOfCreditFacilityInterestRateSwapMatureDateAtJulyTwoThousandTwentyFiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wern_LiabilityInsuranceCoverageInExcessOfSIRPolicy" abstract="false" name="LiabilityInsuranceCoverageInExcessOfSIRPolicy" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_AutotechFundIIIMember" abstract="true" name="AutotechFundIIIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_TractorsMember" abstract="true" name="TractorsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_WernerLogisticsMember" abstract="true" name="WernerLogisticsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_ShareBasedPaymentArrangementByShareBasedCompensationAwardVestingInstallment" abstract="false" name="ShareBasedPaymentArrangementByShareBasedCompensationAwardVestingInstallment" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wern_NEHDSMember" abstract="true" name="NEHDSMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_IndemnificationEscrowDeposit" abstract="false" name="IndemnificationEscrowDeposit" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_PercentageOfContributionToEmployeeStockPurchasePlan" abstract="false" name="PercentageOfContributionToEmployeeStockPurchasePlan" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="wern_OperatingSegmentsAndCorporateNonSegmentMember" abstract="true" name="OperatingSegmentsAndCorporateNonSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wern_OtherDebtorsMember" abstract="true" name="OtherDebtorsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_A2023PeformanceSharesMember" abstract="true" name="A2023PeformanceSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wern_InsuranceCarriersLettersOfCreditMember" abstract="true" name="InsuranceCarriersLettersOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_SelfInsuranceRetainedLiability" abstract="false" name="SelfInsuranceRetainedLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_IndependentContractorsMember" abstract="true" name="IndependentContractorsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_InsuranceAndClaimsAccrualsPolicyTextBlock" abstract="false" name="InsuranceAndClaimsAccrualsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="wern_SelfInsuranceRetentionAggregateDeductibleApplicableRangeWithAnnualAggregateLimit" abstract="false" name="SelfInsuranceRetentionAggregateDeductibleApplicableRangeWithAnnualAggregateLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_BusinessCombinationCashAndCashEquivalentsAcquired" abstract="false" name="BusinessCombinationCashAndCashEquivalentsAcquired" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_OtherRevenuePercentageOfTotalRevenue" abstract="false" name="OtherRevenuePercentageOfTotalRevenue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="wern_May172018VerdictMember" abstract="true" name="May172018VerdictMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_MaximumAnnualStockPurchasePlanContributionsByPlanParticipants" abstract="false" name="MaximumAnnualStockPurchasePlanContributionsByPlanParticipants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentCashAndCashEquivalentsAcquired" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentCashAndCashEquivalentsAcquired" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_TenLargestCustomersMember" abstract="true" name="TenLargestCustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wern_ScheduleOfLeasesInStatementOfFinancialPositionTableTextBlock" abstract="false" name="ScheduleOfLeasesInStatementOfFinancialPositionTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="wern_InvestmentInNoncontrollingInterest" abstract="false" name="InvestmentInNoncontrollingInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_BusinessCombinationContingentConsiderationPerformancePeriod" abstract="false" name="BusinessCombinationContingentConsiderationPerformancePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wern_PortionOfUnrealizedGainLossRelatedToEquitySecuritiesStillHeldAtReportingDate" abstract="false" name="PortionOfUnrealizedGainLossRelatedToEquitySecuritiesStillHeldAtReportingDate" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_PrepaidTaxesLicensesAndPermits" abstract="false" name="PrepaidTaxesLicensesAndPermits" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentCurrentAssets" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentCurrentAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wern_EmployeeBenefitsAxis" abstract="true" name="EmployeeBenefitsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="wern_A2022CreditAgreementMember" abstract="true" name="A2022CreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
</xs:schema>
