Tex. Transp. Code § 621.006
The commission by rule may impose restrictions on the weight and size of vehicles to be operated on state highways on the following holidays only:
Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.
Acts 2011, 82nd Leg., R.S., Ch. 1345 (S.B. 1420), Sec. 57, eff. September 1, 2011.