ANSI/IES RP-22-11

This Standard Practice has the objective of providinginformation to assist engineers and designersin determining lighting needs, recommending solutions,and evaluating resulting visibility at vehiculartunnel approaches and interiors. This Practice isintended also for use by administrators charged withthe responsibility of providing a safe visual environmentwithin a tunnel both day and night.

This product replaces:ANSI/IES RP-22-05 - Tunnel Lighting