TRINITY INDUSTRIES INC — Director's Dealing 2007

May 14, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TRINITY INDUSTRIES INC (NYSE/TRN)
CIK: 0000099780
Period of Report: 2007-05-14

Reporting Person: Graham Martin (President Trinity Freightcar)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-05-14	Common Stock	M	3000	$18.94	Acquired	103520	Direct
2007-05-14	Common Stock	M	2340	$17.94	Acquired	105860	Direct
2007-05-14	Common Stock	S	5340	$46.75	Disposed	100520	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-05-14	Employee Stock Option (right to buy)	$18.94	M	3000	Disposed	2014-05-10	Common Stock (8999)	Direct
2007-05-14	Employee Stock Option (right to buy)	$17.94	M	2340	Disposed	2015-05-09	Common Stock (9360)	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.