ARS § 48-5302

48-5302 - Regional transportation authority; establishment 48-5302 . Regional transportation authority; establishment A. A regional transportation authority is established in a county with a population of more than four hundred thousand but less than one million two hundred thousand persons. The board of supervisors of a county with a population of four hundred thousand or fewer persons may establish a regional transportation authority in the county. B. An authority is a public, political, tax levying public improvement and taxing subdivision of this state and a municipal corporation to the extent of the powers and privileges conferred by this chapter or granted generally by the constitution and statutes of this state, including immunity of its property and the interest income and gain on its bonds from taxation. C. The membership of the authority consists of each municipality in the county, the county and any other members of the regional council of governments that are from the county that established the authority. The authority may operate in all areas of the county in which it is organized. D. The executive director of the regional council of governments acts as the executive director of the authority and serves in that specific role until replaced at the discretion of the board of the regional transportation authority.