Tex. Transp. Code § 365.031
A district may issue bonds to finance a toll road project:
Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.
Amended by Acts 2001, 77th Leg., ch. 1420, Sec. 8.390, eff. Sept. 1, 2001.