Tex. Transp. Code § 201.202
(a) The commission shall organize the department into divisions to accomplish the department's functions and the duties assigned to it, including divisions for:
Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.
Acts 2009, 81st Leg., R.S., Ch. 933 (H.B. 3097), Sec. 2A.01, eff. September 1, 2009.
Acts 2009, 81st Leg., R.S., Ch. 933 (H.B. 3097), Sec. 2A.03, eff. September 1, 2009.