Straylight, contrast sensitivity and the critical object in relation to tunnel entrance lighting.

Author(s)
Vos, J.J. & Padmos, P.
Year
Abstract

The black hole effect for tunnel entrances can be avoided by making the entrance lighting competitive with ambient straylight. Current CIE proposals on tunnel-entrance lighting will evidently fall short if not a reevaluation of the "critical object" concept is undertaken.

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Publication

Library number
B 22655 (In: B 22651 a) /85/ IRRD 273642
Source

In: Proceedings of the 20th Conference Session of the International Commission on Illumination CIE, Amsterdam, 31 August-8 September 1983, Volume 1, p. D404/1-4, 4 graph., 2 tab., 21 ref.

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This publication is one of our other publications, and part of our extensive collection of road safety literature, that also includes the SWOV publications.