Tex. Transp. Code § 451.154
(a) An interest in real property may not be acquired for station or terminal complex facilities described by Section 451.152(2) unless the property:
(b) Notwithstanding Subsection (a), an authority created before 1980 in which the principal municipality has a population of less than 1.9 million may acquire, including through the use of eminent domain, an interest in real property for facilities if the property:
Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.
Acts 2011, 82nd Leg., R.S., Ch. 1163 (H.B. 2702), Sec. 151, eff. September 1, 2011.