Tex. Transportation Code § 452.709: FAILURE OF OTHER ENTITIES TO JOIN.

A creating entity may continue the initiation or creation process alone if:

(1) any other entity that is in another subregion and that is authorized under Section 452.701(a) or (b) to initiate the process does not initiate the process within 60 days after the date the first creating entity initiates the process;

(2) the governing body of a municipality, or the commissioners court of an unincorporated area, in a proposed authority does not confirm participation under Section 452.707; or

(3) the governing body of another creating entity does not adopt the resolution or order described by Section 452.708(a).

Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.