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                             AMENDMENT NO. 1 TO THE
                            TRINITY INDUSTRIES, INC.
                           DIRECTORS' RETIREMENT PLAN



         Pursuant to the provisions of Section 12 thereof, the Trinity
Industries, Inc. Directors' Retirement Plan (the "Plan") is hereby amended
effective as of September 10, 1998 in the following respects only:

         FIRST: Section 1 of the Plan is hereby amended by adding the following
paragraph to the end thereof:

              The preceding provisions of this Section 1 to the contrary
         notwithstanding, any former Director who has commenced receiving
         monthly payments under this Plan following his retirement or disability
         and who has more than one such monthly payment remaining to be paid may
         elect in writing on a form acceptable to the Company to waive his right
         to continue receiving monthly payments hereunder and in lieu thereof to
         receive one lump sum payment in an amount equal to 90% of the present
         value of the monthly payments remaining to be paid at the time of such
         lump sum payment. The present value shall be determined using the
         actuarial assumptions that would be used for calculating lump sum
         distributions under the Trinity Industries, Inc. Standard Pension Plan,
         and the payment will be made in cash to the former Director no later
         than 15 days following receipt of his election by the Company. In the
         event that a former Director receives a lump sum payment in accordance
         with this provision, no further benefits will be owed to or on account
         of such former Director under this Plan and the remaining 10% of the
         present value of the monthly payments shall be forfeited.

         SECOND: Section 2 of the Plan is hereby amended by adding the following
paragraph to the end thereof:

              The preceding provisions of this Section 2 to the contrary
         notwithstanding, any beneficiary of a former Director who is receiving
         monthly payments under the provisions of this Section 2 and who has
         more than one such monthly payment remaining to be paid may elect in
         writing on a form acceptable to the Company to waive his right to
         continue receiving monthly payments hereunder and in lieu thereof to
         receive one lump sum payment in an amount equal to 90% of the present
         value of the monthly payments remaining to be paid at the time of such
         lump sum payment. The present value shall be determined using the
         actuarial assumptions that would be used for calculating lump sum
         distributions under the Trinity Industries, Inc. Standard Pension Plan,
         and the payment will be made in cash to the beneficiary no later than
         15 days following receipt of his election by the Company. In the event
         that a beneficiary of a former Director receives a lump sum payment in
         accordance with this provision, no further benefits will be owed to
         such beneficiary on account of such former Director under this Plan and
         the remaining 10% of the present value of the monthly payments shall be
         forfeited.



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         THIRD: Section 5 of the Plan is hereby amended by restatement in its
entirety to read as follows:

              5. Notwithstanding anything herein to the contrary, in the event
         of a Change of Control:

              (I)    The vested percentage referred to in Section 3 of this Plan
                     shall be 100% for each member of the Board of Directors at
                     the time of such Change of Control, irrespective of the
                     number of such Director's years of service.

              (II)   Any former Director (or beneficiary of a former Director)
                     who is receiving monthly payments pursuant to Section 1 (or
                     Section 2 with respect to a beneficiary) and any Director
                     who ceases to be a member of the Board of Directors on or
                     after the date of such Change of Control, who elected (or
                     with respect to a beneficiary, if the former Director
                     elected) an accelerated Change of Control payment, as
                     described below, shall receive, in lieu of the monthly
                     payments that otherwise would be owed to the Director under
                     this Plan pursuant to Section 1 hereof (or beneficiary
                     pursuant to Section 2 hereof), either (i) a cash lump sum
                     payment in an amount equal to the present value of such
                     monthly payments, or (ii) equal annual cash installments
                     over five (5), six (6) or seven (7) years in an aggregate
                     amount which is the actuarial equivalent of such monthly
                     payments, whichever method was elected by the Director on
                     the election form. The accelerated Change of Control
                     payment shall be elected by the Director on a separate
                     election form for such purpose at the time the Director
                     initially becomes covered by this Plan or, if later, on or
                     before July 20, 1999 and shall be irrevocable; provided,
                     however, that a Director or former Director may make,
                     revoke or change an accelerated Change of Control
                     distribution election subsequent to the initial election
                     with the new election to be effective only in the event
                     that the new election is made at least 12 months prior to
                     the date payments under this provision commence.

              (III)  Each member of the Board of Directors at the time of such
                     Change of Control and each former Director (or beneficiary
                     of a former Director) who has not yet received the entire
                     benefit to which he is entitled under this Plan, regardless
                     of whether an election was made in accordance with the
                     preceding paragraph (II) and regardless of whether payment
                     has yet commenced, may elect in writing on a form
                     acceptable to the Company to waive his right to any future
                     payment or payments hereunder and in lieu thereof to
                     receive one lump sum payment in an amount equal to 90% of
                     the present value of the payments owed with respect to the
                     Director or former Director under this Plan at the time of
                     such lump sum payment. In the event that a Director or
                     former Director (or beneficiary of a former Director)
                     receives a lump sum payment in accordance with this
                     provision, no further benefits will be owed to or on
                     account of such Director or former Director under this Plan
                     and the


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                     remaining 10% of the present value of the payments
                     otherwise owed shall be forfeited.

               The amount to be distributed as the lump sum present value or
actuarial equivalent annual installments shall be determined using the actuarial
assumptions that would be used for calculating lump sum distributions or
installment payments, as appropriate, under the Trinity Industries, Inc.
Standard Pension Plan.

               A "Change of Control" shall be deemed to have occurred for
purposes of this Plan if the event set forth in any one of the following
paragraphs shall have occurred:

               (I)   any Person is or becomes the Beneficial Owner, directly or
                     indirectly, of securities of the Company (not including in
                     the securities beneficially owned by such Person any
                     securities acquired directly from the Company or its
                     affiliates) representing 30% or more of the combined voting
                     power of the Company's then outstanding securities,
                     excluding any Person who becomes such a Beneficial Owner in
                     connection with a transaction described in clause (i) of
                     paragraph (III) below; or

               (II)  the following individuals cease for any reason to
                     constitute a majority of the number of directors then
                     serving: individuals who, on May 6, 1997, constitute the
                     Board of Directors and any new director (other than a
                     director whose initial assumption of office is in
                     connection with an actual or threatened election contest,
                     including but not limited to a consent solicitation,
                     relating to the election of directors of the Company) whose
                     appointment or election by the Board of Directors or
                     nomination for election by the Company's stockholders was
                     approved or recommended by a vote of at least two-thirds
                     (2/3) of the directors then still in office who either were
                     directors on May 6, 1997, or whose appointment, election or
                     nomination for election was previously so approved or
                     recommended; or

               (III) there is consummated a merger or consolidation of the
                     Company or any direct or indirect subsidiary of the Company
                     with any other corporation, other than (i) a merger or
                     consolidation which would result in the voting securities
                     of the Company outstanding immediately prior to such merger
                     or consolidation continuing to represent (either by
                     remaining outstanding or by being converted into voting
                     securities of the surviving entity or any parent thereof)
                     at least 60% of the combined voting power of the securities
                     of the Company or such surviving entity or any parent
                     thereof outstanding immediately after such merger or
                     consolidation, or (ii) a merger or consolidation effected
                     to implement a recapitalization of the Company (or similar
                     transaction) in which no Person is or becomes the
                     Beneficial Owner, directly or indirectly, of securities of
                     the Company (not including in the securities Beneficially
                     Owned by such Person any securities acquired directly from
                     the Company or its Affiliates other than in connection with
                     the acquisition by the Company


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                     or its affiliates of a business) representing 30% or more
                     of the combined voting power of the Company's then
                     outstanding securities; or

                (IV) the stockholders of the Company approve a plan of complete
                     liquidation or dissolution of the Company or there is
                     consummated an agreement for the sale or disposition by the
                     Company of all or substantially all of the Company's
                     assets, other than a sale or disposition by the Company of
                     all or substantially all of the Company's assets to an
                     entity, at least 60% of the combined voting power of the
                     voting securities of which are owned by stockholders of the
                     Company in substantially the same proportions as their
                     ownership of the Company immediately prior to such sale.

                For purposes hereof:

                "Affiliate" shall have the meaning set forth in Rule l2b-2
                promulgated under Section 12 of the Exchange Act.

                "Beneficial Owner" shall have the meaning set forth in Rule
                l3d-3 under the Exchange Act.

                "Exchange Act" shall mean the Securities Exchange Act of 1934,
                as amended from time to time.

                "Person" shall have the meaning given in Section 3(a)(9) of the
                Exchange Act, as modified and used in Sections 13(d) and 14(d)
                thereof, except that such term shall not include (i) the Company
                or any of its subsidiaries, (ii) a trustee or other fiduciary
                holding securities under an employee benefit plan of the Company
                or any of its Affiliates, (iii) an underwriter temporarily
                holding securities pursuant to an offering of such securities,
                or (iv) a corporation owned, directly or indirectly, by the
                stockholders of the Company in substantially the same
                proportions as their ownership of stock of the Company.

         FOURTH: Section 12 of the Plan is hereby amended by adding the
following to the end thereof:

         Any provision of this Plan to the contrary notwithstanding, no action
         taken on or after a Change of Control to amend, modify, freeze or
         terminate this Plan shall be effective unless written consent thereto
         is obtained from a majority of the participants who were Directors
         immediately prior to such Change of Control.


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         IN WITNESS WHEREOF, this Amendment has been executed this _____ day of
________________, 1999.


                                             TRINITY INDUSTRIES, INC.

                                             By
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                                               Title:

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