This excerpt taken from the TRN 8-K filed Mar 7, 2006.
Item 5.02 Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.
(b) On March 7, 2006, Craig Duchossois resigned as a director of Trinity Industries, Inc. The resignation follows the disposition by affiliates of Duchossois Industries, Inc. of the remaining shares issued by Trinity in connection with the acquisition of Thrall Car Manufacturing in October of 2001.
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.