 DALLAS--BUSINESS WIRE--Trinity Industries, Inc. NYSE:TRN Trinity today announced the election of William P. Billy Ainsworth to its Board of Directors, effective immediately. The addition of Mr. Ainsworth expands Trinitys Board of Directors from nine to ten members. Mr. Ainsworth will serve as a member of the Finance and Risk Committee and Corporate Governance and Directors Nominating Committee. We are pleased to welcome Billy Ainsworth to Trinitys Board of Directors, said Leldon 