Exhibit 23.1

                         Consent of Independent Auditors

We consent to the incorporation by reference in the Registration Statement (Form
S-8) of Trinity Industries, Inc. pertaining to the Profit Sharing Plan for
Employees of Trinity Industries, Inc. and Certain Affiliates as Restated
Effective April 1, 1999 and the Supplemental Profit Sharing Plan for Trinity
Industries, Inc. and Certain Affiliates as Restated Effective January 1, 2000 of
our report dated February 20, 2004 with respect to the consolidated financial
statements of Trinity Industries, Inc. included in its Annual Report (Form 10-K)
for the year ended December 31, 2003, filed with the Securities and Exchange
Commission.

                                            /s/ ERNST & YOUNG LLP



Dallas, Texas
April 21, 2004