TRINITY INDUSTRIES INC — Director's Dealing 2005

Dec 20, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TRINITY INDUSTRIES INC (NYSE/TRN)
CIK: 0000099780
Period of Report: 2005-12-16

Reporting Person: LEE JOHN M (Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-12-16	Common Stock	M	1702	—	Acquired	36757	Direct
2005-12-16	Common Stock	F	663	$43.45	Disposed	36094	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-12-16	Trinity Stock Units	$0	M	1702	Disposed		Common Stock (1769)	Indirect

Footnotes

F1: Trinity Stock Units accrued under the Trinity Industries, Inc. Supplemental Profit Sharing Plan were converted to Common Stock at a ratio of 1 to 1 pursuant to a distribution to the reporting person as of December 16, 2005.