Emergency Lighting System Design for Rail Transit Vehicles


This Standard specifies the minimum performance criteria for emergency lighting for rail transit vehicles to provide lighting when normal lighting is disrupted as a result of loss of power due to damage or is otherwise unavailable.

Document History
Document Number Version Publication Date Publication Related Information
APTA RT-VIM-S-020-10 Rev. 1 12/06/2017 Published Current


emergency lighting


APTA rail transit systems members have expressed a commitment to increase the effectiveness of safety devices and features present on rail transit vehicles, not only for the passengers but also for operators and emergency personnel. This Standard specifies minimum performance criteria for the emergency lighting
system that operates when the normal lighting system is unavailable. It also requires periodic tests to validate the design. Other complementary emergency systems provide signage and path markings to locate, operate and reach emergency exits and are covered in separate APTA standards. An effective systems approach uses this standard, as well as “Low Location Emergency Path Marking for Rail Transit Vehicles,” (APTA RTVIM-S-022-10 Rev 1) – previously numbered as APTA RT-S-VIM-22-10 and “Emergency Signage for Rail Transit Vehicles” (APTA RT-VIM-S-021-10) – previously numbered as APTA RT-S-VIM-21-10, to provide a means for passengers and rail transit vehicle operators to locate, reach and operate emergency exits to facilitate safe evacuation in an emergency. Each rapid-transit system and car builder should carefully consider the options available to meet emergency evacuation requirements presented in these three standards

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