‘Off-street parking project’ means parking facilities for the parking of motor vehicles off the public streets, including graded, regraded, graveled, oiled, surfaced, macadamized, paved, curbed, guttered, drained and sidewalked sites therefor, driveways, ramps, structures, buildings, elevators, traffic control equipment, and all appurtenances and incidentals necessary, useful or desirable for off-street parking facilities (or any combination thereof), including real and other property therefor.