Tex. Transp. Code § 662.005
(a) The department may contract with qualified persons, including institutions of higher education, to:
Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.
Acts 2019, 86th Leg., R.S., Ch. 595 (S.B. 616), Sec. 8.005, eff. September 1, 2020.