SEC Form 5

FORM 5		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0362 Estimated average burden hours per response: 1.0
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
	Form 3 Holdings Reported.
	Form 4 Transactions Reported.

1. Name and Address of Reporting Person* FORTADO MICHAEL G (Last) (First) (Middle) 2525 STEMMONS FREEWAY (Street) DALLAS TX 75207 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol TRINITY INDUSTRIES INC [ NYSE/TRN ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) VP & Secretary
	3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year) 12/31/2006
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)	4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned at end of Issuer's Fiscal Year (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
				Amount	(A) or (D)	Price
Common Stock							25,190(1)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)	5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
					(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	$0						(2)	(2)	Common Stock	390		390(3)	D
Trinity Stock Units	$0						(4)	(4)	Common Stock	412		412(5)	I	by Trust
Employee Stock Option (right to buy)	$35.3333(8)						(6)	03/12/2008	Common Stock	4,500		4,500(8)	D
Employee Stock Option (right to buy)	$11.3333(9)						(7)	05/29/2013	Common Stock	1,575		1,575(9)	D
Employee Stock Option (right to buy)	$18.94(10)						(7)	05/10/2014	Common Stock	3,000		3,000(10)	D

Explanation of Responses:

1. On May 26, 2006, the common stock of Trinity Industries, Inc. split 3-for-2, resulting in the reporting person's ownership of 8,395 additional shares of common stock.

2. Restricted Stock Units granted pursuant to Trinity Industries, Inc. Stock Option & Incentive Plan. Units vest in varying percentages beginning on the 3rd anniversary date of the grant wtih 100% vesting on the 5th anniversary date of the grant. Distribution is 1 for 1 in Trinity Stock on each vesting date.

3. On May 26, 2006, the common stock of Trinity Industries, Inc. split 3-for-2, resulting in the reporting person's ownership of 130 additional restricted stock units.

4. The Trinity Stock Units were accrued under the Trinity Industries, Inc. Supplemental Profit Sharing Plan and will be settled upon the reporting person's retirement or other termination of service or earlier for in service distributions under limited circumstances as provided by the plan. Stock Units convert at a ratio of 1 to 1.

5. On May 26, 2006, the common stock of Trinity Industries, Inc. split 3-for-2, resulting in the reporting person's ownership of 137 additional Trinity stock units.

6. 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.

7. 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.

8. This option was previously reported as covering 3,000 shares at an exercise price of $53.00 per share, but was adjusted to reflect the stock split that occurred on May 26, 2006.

9. This option was previously reported as covering 1,050 shares at an exercise price of $17.00 per share, but was adjusted to reflect the stock split that occurred on May 26, 2006.

10. This option was previously reported as covering 2,000 shares at an exercise price of $28.41 per share, but was adjusted to reflect the stock split that occurred on May 26, 2006.

Remarks:

	Michael G. Fortado	01/15/2007
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.