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Automated People Mover Standards establishes the minimum requirements for the design, construction, operation, and maintenance of automated people mover (APM) systems. Collectively, this 4-volume Standard presents the requirements to assure the safety and performance of APM systems. 

Part 4 provides information on security; emergency preparedness; system verification and demonstration; operation, maintenance and training; and operational monitoring. Three informative annexes present a series of options or instructions without prescribing a specific course of action. These annexes are not a mandatory part of the Standard, and significant judgment is left to the user.

This Standard will be useful to transportation engineers, safety engineers, and contractors of APM systems, as well as to anyone who owns, operates, builds, maintains, designs, tests, insures, oversees, or certifies APMs or other innovative technology transit systems, such as magnetic levitation, air cushion, and monorail systems. 

Related Standards 

Automated People Mover Standards, Part 1 (21-05) 

Automated People Mover Standards, Part 2 (21.2-08) 

Automated People Mover Standards, Part 3 (21.3-08) 

Automated People Mover Standards, 4-book set 

Earlier Editions of This Standard 

Automated People Mover Standards, Part 1 (21-96) 

Automated People Mover Standards, Part 2 (21-98) 

Automated People Mover Standards, Part 3 (21-00)