    <SEC-DOCUMENT>0000099780-17-000108-index.html : 20170804
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    <ACCEPTANCE-DATETIME>20170803181500
    ACCESSION NUMBER:		0000099780-17-000108
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		30
    CONFORMED PERIOD OF REPORT:	20170803
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20170804
    DATE AS OF CHANGE:		20170803

    FILER:

    	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

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-06903
    		FILM NUMBER:		171006373

    	BUSINESS ADDRESS:
    		STREET 1:		2525 STEMMONS FREEWAY
    		CITY:			DALLAS
    		STATE:			TX
    		ZIP:			75207-2401
    		BUSINESS PHONE:		214-631-4420

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	TRINITY STEEL CO INC
    		DATE OF NAME CHANGE:	19720407
    </SEC-HEADER>
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