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The e-ILV provides free access to all the terms and definitions contained in the international standard CIE S 017:2020 ILV: International Lighting Vocabulary, 2nd edition.

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17-31-081

road tunnel

tunnel

structure over a road that restricts the normal daytime illumination of a road section such that the driver's capability to see is substantially diminished

Note 1 to entry: This entry was numbered 17-1355 in CIE S 017:2011.

Publication date: 2020-12
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