Michigan Compiled Laws, Chapter 124. Municipalities § 124.402

(a) “Authority” means an authority created by or pursuant to this act.

(b) “Board” means the governing and administrative body of an authority.

(c) “Chief executive officer” means, with respect to a city, the mayor of the city and, with respect to a county, either the county executive of the county or, for a county not having a county executive, the chairperson of the county board of commissioners.

(d) “Constituent unit” means each of the counties comprising a part of an authority or a council and each city having a population of 750,000 or more within such a county.

(e) “Council” means a regional transit coordinating council formed pursuant to section 4a.  1

(f) “Governor” means the governor of the state.

(g) “Metropolitan area” means an area conforming in general to a consolidated metropolitan statistical area as defined by the United States office of management and budget or 2 or more counties which form a generally recognized urban complex. However, for the purposes of this act, Lapeer county shall not be considered part of a consolidated metropolitan statistical area.

(h) “Public transportation facility” means all property, real and personal, public or private, so long as used or useful for general or special transportation service to the public, including, but not limited to, street railways, motor bus, tramlines, subways, monorails, rail rapid transit, and the movement of people thereby together with tunnel, bridge, and parking facilities used in connection with these transportation services of the authority, but shall not include taxis, limousines, highways, ports, airports, charter or sightseeing services, or transportation which is exclusively used for school purposes.