New technique for providing safety illumination for underpasses, and its various physiological, mechanical, and economic implications are examined; basic component of new technique of roadway underpass lighting is wall-mounted, 175- or 250-w mercury, prismatically controlled, integrally ballasted luminaire; series of cost analyses was made, comparing four basic underpass lighting systems.
New technique provides safety illumination for underpasses
Traffic Eng
Traffic Engineering ; 35 , n 11
1965
5 pages
Aufsatz (Zeitschrift)
Englisch
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