<SEC-DOCUMENT>0001140361-15-005992.txt : 20150212
<SEC-HEADER>0001140361-15-005992.hdr.sgml : 20150212
<ACCEPTANCE-DATETIME>20150212164627
ACCESSION NUMBER:		0001140361-15-005992
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150211
FILED AS OF DATE:		20150212
DATE AS OF CHANGE:		20150212

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OLD DOMINION FREIGHT LINE INC/VA
		CENTRAL INDEX KEY:			0000878927
		STANDARD INDUSTRIAL CLASSIFICATION:	TRUCKING (NO LOCAL) [4213]
		IRS NUMBER:				560751714
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		500 OLD DOMINION WAY
		CITY:			THOMASVILLE
		STATE:			NC
		ZIP:			27360
		BUSINESS PHONE:		3368895000

	MAIL ADDRESS:	
		STREET 1:		500 OLD DOMINION WAY
		CITY:			THOMASVILLE
		STATE:			NC
		ZIP:			27360

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Bates David J.
		CENTRAL INDEX KEY:			0001534267

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19582
		FILM NUMBER:		15607007

	MAIL ADDRESS:	
		STREET 1:		500 OLD DOMINION WAY
		CITY:			THOMASVILLE
		STATE:			NC
		ZIP:			27360
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2015-02-11</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000878927</issuerCik>
        <issuerName>OLD DOMINION FREIGHT LINE INC/VA</issuerName>
        <issuerTradingSymbol>ODFL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001534267</rptOwnerCik>
            <rptOwnerName>Bates David J.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>500 OLD DOMINION WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>THOMASVILLE</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>27360</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP - Operations</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2015-02-11</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1678</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1678</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18962</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each share of phantom stock is the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock.</footnote>
        <footnote id="F2">The award will vest with respect to one-fifth of the phantom stock subject to the award on each anniversary of the grant date and the award will be fully vested on the fifth anniversary of the grant date, provided that (a) the reporting person has been continuously employed by the issuer from the grant date until each respective vesting date; (b) the reporting person has been continuously employed by the issuer for at least 10 years on the respective vesting date; and (c) the reporting person has attained age 65 on the respective vesting date.  The award will settle on the earlier of (a) the date of the reporting person's termination of employment for any reason other than death, total disability or for cause; (b) the date of the reporting person's death while employed by the issuer; or (c) the date of the reporting person's termination of employment as a result of his total disability.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Ross H. Parr, by Power of Attorney</signatureName>
        <signatureDate>2015-02-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
