As used in this Subtitle, the following words and terms shall have the following meanings, unless the context clearly requires a different meaning: Authority means an agency created by interstate compact between Maryland, Virginia, and the District of Columbia to provide transit facilities and service for the metropolitan area of Washington, D.C.; Commission means the Washington Suburban Transit Commission; District means the Washington Suburban Transit District; Governing bodies means the County Councils of Montgomery County and Prince George's County; Metropolitan area means the metropolitan area of Washington, D.C., as defined in the pamphlet 'Standard Metropolitan Statistical Areas,' issued by Executive Office of the President, Bureau of the Budget, 1964; State includes the District of Columbia; and Transit facilities means all those matters and things utilized in rendering mass transit service by means of rail, bus, water or air and any other mode of travel, including without limitation, tracks, rights of ways, bridges, tunnels, subways, rolling stock for rail, motor vehicle, marine and air transportation, stations, terminals and ports, areas for parking and all equipment, fixtures, buildings and structures and services incidental to or required in connection with the performance of mass transit service.