Tex. Transp. Code § 91.051
Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
Except for a contract entered into under Section 91.052, 91.054, or 91.102, a contract made by the department for the construction, maintenance, or operation of a rail facility must be let by a competitive bidding procedure in which the contract is awarded to the lowest responsible bidder that complies with the department's criteria.
Tex. Transp. Code § 91.051