IEVref:845-31-142ID:
Language:enStatus: Standard
Term: overall uniformity of road surface luminance
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Symbol: Uo
Definition: quotient of the minimum luminance at a point and the average road surface luminance over an evaluation area

Note 1 to entry: Where the luminance value refers only to the carriageway part of the road it can be known as "carriageway luminance".

Note 2 to entry: The overall uniformity of road surface luminance has unit one.


Publication date:2020-12
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