Ownership Submission
FORM 5
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
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person *
COWAN ANDREA F
 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)
Vice President
(Last)
(First)
(Middle)

2525 STEMMONS FREEWAY		 3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
12/31/2006
(Street)


DALLAS, TX 75207		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Reporting
(check applicable line)

_X_ Form Filed by One Reporting Person
___ Form Filed by More than One Reporting Person
(City)
(State)
(Zip)
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             49,066 (1) D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. 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 control number. SEC 2270 (9-02)

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 Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned at End of Issuer's Fiscal Year
(Instr. 4)		 10. Ownership Form of Derivative Security: 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
600
  600 (3)
D
 
Employee Stock Option (right to buy) $ 15.3333 (6)             (4) 04/03/2010 Common Stock
15,000
  15,000 (6)
D
 
Employee Stock Option (right to buy) $ 11.3333 (7)             (5) 05/29/2013 Common Stock
7,209
  7,209 (7)
D
 
Employee Stock Option (right to buy) $ 18.94 (8)             (5) 05/10/2014 Common Stock
6,751
  6,751 (8)
D
 
Employee Stock Option (right to buy) $ 17.94 (9)             (5) 05/09/2015 Common Stock
6,300
  6,300 (9)
D
 

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
COWAN ANDREA F
2525 STEMMONS FREEWAY
DALLAS, TX 75207		       Vice President  

Signatures

Michael G. Fortado For: Andrea F. Cowan 01/15/2007
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) On May 26, 2006, the common stock of Trinity Industries, Inc. split 3-for-2, resulting in the reporting person's ownership of 16,355 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 200 additional restricted stock units.
(4) Option Term is Ten Years. Options vest over 3 years at thirty-three & one-third percent (33 1/3%) per year beginning on the first anniversary of the grant date.
(5) 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.
(6) This option was previously reported as covering 10,000 shares at an exercise price of $23.00 per share, but was adjusted to reflect the stock split that occurred on May 26, 2006.
(7) This option was previously reported as covering 4,806 shares at an exercise price of $17.00 per share, but was adjusted to reflect the stock split that occurred on May 26, 2006.
(8) This option was previously reported as covering 4,500 shares at an exercise price of $28.41 per share, but was adjusted to reflect the stock split that occurred on May 26, 2006.
(9) This option was previously reported as covering 4,200 shares at an exercise price of $26.91 per share, but was adjusted to reflect the stock split that occurred on May 26, 2006.

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