TRINITY INDUSTRIES INC — Director's Dealing 2007

May 10, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TRINITY INDUSTRIES INC (NYSE/TRN)
CIK: 0000099780
Period of Report: 2007-05-08

Reporting Person: ADAMS JOHN L (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-05-08	Common Stock	M	11177	$11.3333	Acquired	115233	Direct
2007-05-08	Common Stock	M	15972	$25.0417	Acquired	131205	Direct
2007-05-08	Common Stock	S	27149	$44.4819	Disposed	104056	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-05-08	Stock Option (right to buy)	$11.3333	M	11177	Disposed	2013-05-29	Common Stock (11177)	Direct
2007-05-08	Stock Option (right to buy)	$25.0417	M	15972	Disposed	2009-01-18	Common Stock (37500)	Direct

Footnotes

F1: Option Term is Ten Years. Options vest over 5 years at twenty percent (20%) per year beginning on the first anniversary of the grant date.

F2: Option Term is Ten Years. Options vest over 4 years at twenty-five percent (25%) per year beginning on the first anniversary of the grant date.