Sec. 621.006. RESTRICTED OPERATION ON CERTAIN HOLIDAYS. 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: (1) New Year's Day; (2) Memorial Day; (3) Independence Day; (4) Labor Day; (5) Thanksgiving Day; and (6) Christmas Day. Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995. Amended by: Acts 2011, 82nd Leg., R.S., Ch. 1345 (S.B. 1420), Sec. 57, eff. September 1, 2011.