<SEC-DOCUMENT>0001418812-21-000056.txt : 20210908
<SEC-HEADER>0001418812-21-000056.hdr.sgml : 20210908
<ACCEPTANCE-DATETIME>20210908174044
ACCESSION NUMBER:		0001418812-21-000056
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210908
FILED AS OF DATE:		20210908
DATE AS OF CHANGE:		20210908

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Anderson Jason G.
		CENTRAL INDEX KEY:			0001877721

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06903
		FILM NUMBER:		211243040

	MAIL ADDRESS:	
		STREET 1:		ONE LETTERMAN DRIVE
		STREET 2:		BUILDING D, FOURTH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94129

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TRINITY INDUSTRIES INC
		CENTRAL INDEX KEY:			0000099780
		STANDARD INDUSTRIAL CLASSIFICATION:	RAILROAD EQUIPMENT [3743]
		IRS NUMBER:				750225040
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		14221 N DALLAS PARKWAY
		STREET 2:		SUITE 1100
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75254
		BUSINESS PHONE:		214-631-4420

	MAIL ADDRESS:	
		STREET 1:		14221 N DALLAS PARKWAY
		STREET 2:		SUITE 1100
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75254

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TRINITY STEEL CO INC
		DATE OF NAME CHANGE:	19720407
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2021-09-08</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000099780</issuerCik>
        <issuerName>TRINITY INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>TRN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001877721</rptOwnerCik>
            <rptOwnerName>Anderson Jason G.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE LETTERMAN DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>BUILDING D, FOURTH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94129</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>By:/s/ Jason G. Anderson</signatureName>
        <signatureDate>2021-09-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
