This standard constitutes Part II of a three part standard which aims to establish the minimum set of requirements necessary to achieve an acceptable level of safety and performance for an Automated People Mover (APM) system. Collectively this three-volume standard will assist the industry and public by expediting the approval and release process and facilitating the use of an APM system. Part II (ASCE 21-98) provides general information on vehicles and Propulsion and Braking Systems (PBS). Topics dedicated to vehicles include vehicle capacity and load, structural design, coupling, fire protection, and electrical systems. PBS topics include methodology, functions, component design and testing.