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ANSI/IES RP-22-11

Tunnel Lighting (revised and consolidated by ANSI/IES RP-8-18)

A tunnel is a structure over a roadway which restricts the normal daytime illumination such that the driver's visibility is substantially diminished. The information in this Recommended Practice assists engineers and designers in determining lighting needs, recommending solutions, and evaluating resulting visibility at tunnel approaches and interiors.

Content Provider
Illuminating Engineering Society of North America [IESNA]


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