12 CABLE DRIVEN PASSENGER TRANSIT INSTALLATIONS, COMPRISING CABLE DRIVEN TRANSIT VEHICLES, FRICTION CLUTCHES FOR VEHICLES, BRAKES FOR VEHICLES, SHOCK ABSORBERS FOR VEHICLES, WINDSHIELDS, VEHICLE WINDOWS, VEHICLE DOORS, VEHICLE BUMPERS, VEHICLE WHEELS, VEHICLE SEATS, VEHICLE CHASSIS, VEHICLE BODIES, CABLE DRIVE MECHANISMS, DRIVE CABLES, PULLEYS, CLAMPS FOR COUPLING A VEHICLE TO A DRIVE CABLE, AND TRACKS