TRINITY INDUSTRIES INC — Director's Dealing 2011

Mar 31, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TRINITY INDUSTRIES INC (NYSE/TRN)
CIK: 0000099780
Period of Report: 2011-03-29

Reporting Person: McWhirter William A (Senior Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-03-29	Common Stock	M	4500	$18.94	Acquired	214193	Direct
2011-03-29	Common Stock	M	4422	$17.94	Acquired	218615	Direct
2011-03-29	Common Stock	F	4713	$34.91	Disposed	213902	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-03-29	Employee Stock Option (right to buy)	$18.94	M	4500	Disposed	2014-05-10	Common Stock (4500)	Direct
2011-03-29	Employee Stock Option (right to buy)	$17.94	M	4422	Disposed	2015-05-09	Common Stock (4422)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1147	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.