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ANSI/IES RP-39-19
Recommended Practice: Off-Roadway Sign Luminance
These recommendations provide guidelines only for the lighting of signs that are located off the right of way of roadways - in other words, all signs not regulated by a federal, state, provincial, or local jurisdiction - and includes on- and off-premise, internally and externally illuminated, and electronic signs.
Content Provider
Illuminating Engineering Society of North America [iesna]
