Tex. Transp. Code § 201.904
Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
The department shall erect and maintain on the highways and roads of this state appropriate signs that show the maximum lawful speed for commercial motor vehicles, truck tractors, truck trailers, truck semitrailers, and motor vehicles engaged in the business of transporting passengers for compensation or hire (buses).
Tex. Transp. Code § 201.904