Company:  TRINITY INDUSTRIES INC (TRN)
Form Type:  4
Filing Date:  5/2/2012 
CIK:  0000099780 
Address:  2525 STEMMONS FREEWAY 
City, State, Zip:  DALLAS, Texas 75207-2401 
Telephone:  (214) 631-4420 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$41.88  
Change: 
0.58 (1.40%)  
Trade Time: 
May 17  
Market Cap: 
$3.32B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES