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Exhibit 10.8

Trinity Industries, Inc.

Director Compensation

Summary Sheet as of December 2, 2025

On December 2, 2025, the Board of Directors approved the following compensation for non-employee directors, effective in 2026:

•Board member annual cash retainer - $85,000

•Board member annual equity compensation - $138,000, using share price on the date of the grant as the basis for awards

•Independent Chairman of the Board - annual retainer of $150,000, to be paid in cash and/or equity as selected by the Chairman

•Chair of the Audit Committee – annual cash retainer of $24,000

•Chair of the Human Resources Committee – annual cash retainer of $20,000

•Chairs of the Corporate Governance and Directors Nominating Committee and the Finance and Risk Committee – annual cash retainer of $15,000

•Members of the Audit Committee – annual cash retainer of $10,000

•Members of the Corporate Governance and Directors Nominating Committee, the Human Resources Committee, and the Finance and Risk Committee – annual cash retainer of $7,500