Tram cabins shall be equipped with a trap door and either a rope ladder or boatswain's chair capable of reaching the ground from the highest point. Consideration should be given to the provision of auxiliary emergency cars for the evacuation of unusually timid or invalid or physically handicapped passengers, or in cases of extreme heights. An auxiliary hauling rope or emergency car system shall be provided in cases of extreme height or hazardous terrain.
34 Pa. Code § 7.432
This section cited in 34 Pa. Code § 7.421 (relating to definitions); 34 Pa. Code § 7.422 (relating to applicability); and 34 Pa. Code § 7.431 (relating to signs).