Tex. Transp. Code § 544.001
Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
The Texas Transportation Commission shall adopt a manual and specifications for a uniform system of traffic-control devices consistent with this chapter that correlates with and to the extent possible conforms to the system approved by the American Association of State Highway and Transportation Officials.
Tex. Transp. Code § 544.001