TRINITY INDUSTRIES INC — Director's Dealing 2011

May 6, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TRINITY INDUSTRIES INC (NYSE/TRN)
CIK: 0000099780
Period of Report: 2011-05-04

Reporting Person: Perry James E (Senior Vice President & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-04	Common Stock	M	1500	$20.24	Acquired	85657	Direct
2011-05-04	Common Stock	M	1200	$17.94	Acquired	86857	Direct
2011-05-04	Common Stock	F	1555	$33.34	Disposed	85302	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-04	Employee Stock Option (right to buy)	$20.24	M	1500	Disposed	2014-09-20	Common Stock (1500)	Direct
2011-05-04	Employee Stock Option (right to buy)	$17.94	M	1200	Disposed	2015-05-09	Common Stock (1200)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	88	Indirect

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.