For road lighting, of which tunnel lighting is a part, the mixing of requirements for comfort and safety has given rise to some confusion. The object of this paper is to clarify this, particularly regarding the use of the 'international standard object' as a criterion of visibility. Implementation of the results of research on visibility is discussed and in conclusion an indication is given of the major problems which remain, suggesting a form of international cooperation to help their solution.
Symposium on tunnel lighting. I. Fundamental visual problems in tunnels
Symposium Tunnelbeleuchtung. Sichtprobleme im Tunnel
Lighting Research and Technology ; 7 , 2 ; 85-105
1975
, 21 Quellen
Article (Journal)
English
Lighting of bridges and tunnels
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