Reg FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A Amendment No. 1 CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported):   May 4, 2017 __________________________________________ (Exact name of registrant as specified in its charter)           Delaware   1-6903   75-0225040 (State or other jurisdiction of incorporation   (Commission File No.)   (I.R.S. Employer Identification No.)            2525 N. 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)) Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ¨ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨ Item 7.01 Regulation FD Disclosure. On May 4, 2017, Trinity Industries, Inc. (the “Company”) filed a Form 8-K (the “Original 8-K”) which included, as Exhibit 99.1, an Investor Presentation (the “Investor Presentation”). The Company has subsequently determined that, due to an inadvertent error in production, Slide 4 in the Investor Presentation contains a bar graph chart titled External Revenue by Business Group that includes a column reflecting total revenue for the last twelve months through March 2017 that is incorrect. A corrected Slide 4 is included in the Investor Presentation attached hereto as Exhibit 99.1. No other changes were made to Exhibit 99.1 to the Original 8-K. The materials to be utilized in future investor presentations are attached as Exhibit 99.1 to this report. The information in this report (including Exhibit 99.1) is being furnished pursuant to Item 7.01 and shall not be deemed to be filed for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise be subject to the liabilities of that section, nor shall it be deemed to be incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act. Item 9.01 Financial Statements and Exhibits. (a) - (c) Not applicable (d) Exhibits 99.1 Presentation Materials 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.       May 8, 2017 By: /s/ James E. Perry     Name: James E. Perry     Title: Senior Vice President and Chief Financial Officer