36 CFR Part 1192 Americans with Disabilities Act (ADA) Accessibility Guidelines for Transportation Vehicles (2016 Non-Rail Vehicle Guidelines)

T503 Illumination

T503.1 General.

Illumination shall be provided at ramps, bridgeplates, doorways, and boarding and alighting areas in accordance with T503. Lights shall be shielded so as not to project directly into the eyes of entering and exiting passengers.

T503.2 Ramps and Bridgeplates.

When ramps or bridgeplates are deployed, the walking surface shall be lighted with 2 foot-candles (22 lux) minimum of illumination.

T503.3 Steps at Front Doorways.

The walking surface on steps serving the front doorway of non-rail vehicles shall be lighted with 2 foot-candles (22 lux) minimum of illumination when the vehicle doors are open.

T503.4 Steps at Other Doorways.

The walking surface on steps serving all other non-rail vehicle doorways shall be lighted at all times with 2 foot-candles (22 lux) minimum of illumination.

T503.5 Exterior Illumination for Boarding and Alighting Areas.

Exterior lighting shall be provided to illuminate walking surfaces of boarding and alighting areas when the doors of non-rail vehicles are open. Where doorways have steps, the illumination shall be 1 foot-candle (11 lux) minimum for a distance of 3 feet (915 mm) measured beyond the outside edge of the doorway or bottom step tread. Where doorways have ramps, bridgeplates or lifts, the illumination shall be 1 foot-candle (11 lux) minimum for a distance of 3 feet (915 mm) measured beyond the edge of the ramp, bridgeplate or lift farthest from the non-rail vehicle.