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  		UNITED STATES<BR>
  	SECURITIES AND EXCHANGE COMMISSION
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  	WASHINGTON, D.C. 20549
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  	FORM 8-K
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  	CURRENT REPORT
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  	Pursuant to Section&nbsp;13 or 15(d) of the Securities Exchange Act of 1934
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  	Date of Report (Date of Earliest Event Reported):
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  	&nbsp;
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  	October 19, 2007
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  	Trinity Industries, Inc.
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  <BR>__________________________________________<BR>
  	(Exact name of registrant as specified in its charter)
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  	Delaware
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  	1-6903
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  	75-0225040
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  _____________________<BR>
  	(State or other jurisdiction
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  _____________<BR>
  	(Commission
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  ______________<BR>
  	(I.R.S. Employer
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  	of incorporation)
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  	File Number)
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  	Identification No.)
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  	2525 Stemmons Freeway, Dallas, Texas
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  	75207-2401
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  _________________________________<BR>
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  	&nbsp;
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  ___________<BR>
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  	Registrant&#146;s telephone number, including area code:
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  	214-631-4420
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  	Not Applicable
  <BR>______________________________________________<BR>
  	Former name or former address, if changed since last report
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  	&nbsp;
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  <!-- CoverPageRegistrant END --><P><FONT SIZE="2">
  Check the appropriate box below if the Form 8-K filing is intended to
  simultaneously satisfy the filing obligation of the registrant under any
  of the following provisions:</FONT>
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  <P><FONT SIZE="2">
  [&nbsp;&nbsp;]&nbsp;&nbsp;Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))<br>
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  	Item 1.01 Entry into a Material Definitive Agreement.
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  On October 19, 2007, Trinity Industries, Inc. ("Trinity"), JPMorgan Chase Bank, N.A., as the Administrative Agent, and the lenders (the "Lenders") entered into the Fourth Amendment (the "Fourth Amendment") to the Second Amended and Restated Credit Agreement dated as of April 20, 2005 (the "Credit Amendment").  The Fourth Amendment increases the commitment of the Lenders from $350 million to $425 million and extends the termination date of the Credit Agreement to October 19, 2012.<br><br>A copy of the Fourth Amendment is attached as Exhibit 10.1 and is incorporated herein by reference.  The description of the Fourth Amendment contained herein does not purport to be complete and is qualified in its entirety by the full text of the exhibit. <br>
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  	Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.
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  See "Item 1.01 &#x2013; Entry into a Material Definitive Agreement."<br><br>
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  	Item 7.01 Regulation FD Disclosure.
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  Attached hereto as Exhibit 99.1 is the Press Release issued by Trinity on October 22, 2007 regarding the Fourth Amendment.<br><br>Pursuant to General Instruction B.2 of Form 8-K, the information in Item 7.01 &#x2013; Regulation FD Disclosure, including Exhibit 99.1, shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, and is not incorporated by reference into any filing of Trinity, whether made before or after the date hereof, regardless of any general incorporation language in such filing.<br>
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  	Item 9.01 Financial Statements and Exhibits.
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  (d)	Exhibits<br><br>10.18.5	Fourth Amendment to Second Amended and Restated Credit Agreement dated October 19, 2007, by and among Trinity Industries, Inc., JPMorgan Chase Bank, N.A., as the Administrative Agent, and the financial institutions parties thereto, as Lenders.<br><br>Pursuant to General Instruction B.2 of Form 8-K, the following exhibit is furnished with this Form 8-K.<br><br>99.1	Press Release, dated October 22, 2007.<br><br><br>
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  	SIGNATURES
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  	Pursuant to the requirements of the Securities Exchange Act of 1934, the
  	registrant has duly caused this report to be signed on its behalf by the
  	undersigned hereunto duly authorized.
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  	Trinity Industries, Inc.
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  	&nbsp;&nbsp;
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  <I>
  	October 22, 2007
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  <I>
  	William A. McWhirter II
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  <I>
  	Name: William A. McWhirter II
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  	Title: Senior Vice President and Chief Financial Officer
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  	Exhibit&nbsp;Index
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  	Exhibit No.
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  	Description
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  	10.18.5
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  10.1 Fourth Amendment to Second Amended and Restated Credit Agreement dated October 19, 2007, by and among Trinity Industries, Inc., JPMorgan Chase Bank, N.A., as the Administrative Agent, and the financial institutions parties thereto, as Lenders.
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  	99.1
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  Press Release, dated October 22, 2007.
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metadata_documents: [{"type": "8-K", "sequence": "1", "filename": "htm_23274.htm", "description": "LIVE FILING", "secsgml_size_bytes": 12470}]
metadata_filer: {"company-data": {"conformed-name": "TRINITY INDUSTRIES INC", "cik": "0000099780", "assigned-sic": "3743", "irs-number": "750225040", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-06903", "film-number": "071182223"}, "business-address": {"street1": "2525 STEMMONS FREEWAY", "city": "DALLAS", "state": "TX", "zip": "75207-2401", "phone": "214-631-4420"}, "former-company": {"former-conformed-name": "TRINITY STEEL CO INC", "date-changed": "19720407"}}
text: Trinity Industries, Inc.  (Form: 8-K)
  UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  WASHINGTON, D.C. 20549
  FORM 8-K
  CURRENT REPORT
  Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
  Date of Report (Date of Earliest Event Reported):
  October 19, 2007
  Trinity Industries, Inc.
  __________________________________________
  (Exact name of registrant as specified in its charter)
  Delaware
  1-6903
  75-0225040
  _____________________
  (State or other jurisdiction
  _____________
  (Commission
  ______________
  (I.R.S. Employer
  of incorporation)
  File Number)
  Identification No.)
  2525 Stemmons Freeway, Dallas, Texas
  75207-2401
  _________________________________
  (Address of principal executive offices)
  ___________
  (Zip Code)
  Registrant's telephone number, including area code:
  214-631-4420
  Not Applicable
  ______________________________________________
  Former name or former address, if changed since last report
  Check the appropriate box below if the Form 8-K filing is intended to
  simultaneously satisfy the filing obligation of the registrant under any
  of the following provisions:
  [  ]  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
  [  ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
  [  ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
  [  ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
  Top of the Form
  Item 1.01 Entry into a Material Definitive Agreement.
  On October 19, 2007, Trinity Industries, Inc. ("Trinity"), JPMorgan Chase Bank, N.A., as the Administrative Agent, and the lenders (the "Lenders") entered into the Fourth Amendment (the "Fourth Amendment") to the Second Amended and Restated Credit Agreement dated as of April 20, 2005 (the "Credit Amendment").  The Fourth Amendment increases the commitment of the Lenders from $350 million to $425 million and extends the termination date of the Credit Agreement to October 19, 2012.
  A copy of the Fourth Amendment is attached as Exhibit 10.1 and is incorporated herein by reference.  The description of the Fourth Amendment contained herein does not purport to be complete and is qualified in its entirety by the full text of the exhibit.
  Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.
  See "Item 1.01 – Entry into a Material Definitive Agreement."
  Item 7.01 Regulation FD Disclosure.
  Attached hereto as Exhibit 99.1 is the Press Release issued by Trinity on October 22, 2007 regarding the Fourth Amendment.
  Pursuant to General Instruction B.2 of Form 8-K, the information in Item 7.01 – Regulation FD Disclosure, including Exhibit 99.1, shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, and is not incorporated by reference into any filing of Trinity, whether made before or after the date hereof, regardless of any general incorporation language in such filing.
  Item 9.01 Financial Statements and Exhibits.
  (d)	Exhibits
  10.18.5	Fourth Amendment to Second Amended and Restated Credit Agreement dated October 19, 2007, by and among Trinity Industries, Inc., JPMorgan Chase Bank, N.A., as the Administrative Agent, and the financial institutions parties thereto, as Lenders.
  Pursuant to General Instruction B.2 of Form 8-K, the following exhibit is furnished with this Form 8-K.
  99.1	Press Release, dated October 22, 2007.
  Top of the Form
  SIGNATURES
  Pursuant to the requirements of the Securities Exchange Act of 1934, the
  	registrant has duly caused this report to be signed on its behalf by the
  	undersigned hereunto duly authorized.
  Trinity Industries, Inc.
  October 22, 2007
  By:
  William A. McWhirter II
  Name: William A. McWhirter II
  Title: Senior Vice President and Chief Financial Officer
  Top of the Form
  Exhibit Index
  Exhibit No.
  Description
  10.18.5
  10.1 Fourth Amendment to Second Amended and Restated Credit Agreement dated October 19, 2007, by and among Trinity Industries, Inc., JPMorgan Chase Bank, N.A., as the Administrative Agent, and the financial institutions parties thereto, as Lenders.
  99.1
  Press Release, dated October 22, 2007.