    <SEC-DOCUMENT>0000878927-18-000038-index.html : 20180726
    <SEC-HEADER>0000878927-18-000038.hdr.sgml : 20180726
    <ACCEPTANCE-DATETIME>20180726081627
    ACCESSION NUMBER:		0000878927-18-000038
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		3
    CONFORMED PERIOD OF REPORT:	20180726
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20180726
    DATE AS OF CHANGE:		20180726

    FILER:

    	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

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-19582
    		FILM NUMBER:		18970269

    	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
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>q22018-8xk.htm
    <DESCRIPTION>FORM 8-K
    <TEXT>
    Document 1 - file: q22018-8xk.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>q22018-pressrelease.htm
    <DESCRIPTION>PRESS RELEASE
    <TEXT>
    Document 2 - file: q22018-pressrelease.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>logoa42.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: logoa42.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>