    <SEC-DOCUMENT>0000799233-21-000023-index.html : 20210402
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    <ACCEPTANCE-DATETIME>20210402130238
    ACCESSION NUMBER:		0000799233-21-000023
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20210402
    DATE AS OF CHANGE:		20210402

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			HEARTLAND EXPRESS INC
    		CENTRAL INDEX KEY:			0000799233
    		STANDARD INDUSTRIAL CLASSIFICATION:	TRUCKING (NO LOCAL) [4213]
    		IRS NUMBER:				930926999
    		STATE OF INCORPORATION:			NV
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-15087
    		FILM NUMBER:		21801297

    	BUSINESS ADDRESS:
    		STREET 1:		901 NORTH KANSAS AVENUE
    		CITY:			NORTH LIBERTY
    		STATE:			IA
    		ZIP:			52317
    		BUSINESS PHONE:		3196263600

    	MAIL ADDRESS:
    		STREET 1:		901 NORTH KANSAS AVENUE
    		CITY:			NORTH LIBERTY
    		STATE:			IA
    		ZIP:			52317
    </SEC-HEADER>
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    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>a2021proxynoticeandaccessm.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: a2021proxynoticeandaccessm.htm

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    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>nacardjpegconv_pagex11.jpg
    <TEXT>
    Document 2 - file: nacardjpegconv_pagex11.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>nacardjpegconv_pagex21.jpg
    <TEXT>
    Document 3 - file: nacardjpegconv_pagex21.jpg

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