Texas Transportation Code - TRANSP § 370.031. Creation of a Regional Mobility Authority

(a) At the request of one or more counties, the commission by order may authorize the creation of a regional mobility authority for the purposes of constructing, maintaining, and operating transportation projects in a region of this state.  An authority is governed in accordance with Subchapter F.  1

(b) An authority may not be created without the approval of the commission under Subsection (a) and the approval of the commissioners court of each county that will be a part of the authority.

(c) A municipality that borders the United Mexican States and has a population of 105,000 or more has the same authority as a county, within its municipal boundaries, to create and participate in an authority.  A municipality creating or participating in an authority has the same powers and duties as a county participating in an authority, the governing body of the municipality has the same powers and duties as the commissioners court of a county participating in an authority, and an elected member of the municipality's governing body has the same powers and duties as a commissioner of a county that is participating in an authority.