X0201 42003-12-31 0000099780 TRINITY INDUSTRIES INC NYSE/TRN 0001078976 DUCHOSSOIS CRAIG J 2525 STEMMONS FREEWAY DALLAS TX 75207 1010Trinity Phantom Stock Units2003-12-314A053730.84ACommon Stock5375618DThe Trinity Phantom Stock Units were accrued under the Trinity Industries, Inc. Deferred Plan for Directors Fees. Stock units are converted at "1 - for - 1" (a rate of one stock unit per one share of Trinity common stock). Settlement of the account will be in cash after the reporting person's retirement. Michael G. Fortado For: Craig J. Duchossois2004-01-05