A second look at low-pressure sodium.

Author(s)
Stark, R. & Cossyphas, H.
Year
Abstract

Low-pressure sodium lighting was installed on a mile-long stretch of Stevenson Expressway (Inter State 55 )Chicago Illinois, by the State of Illinois Department of Lightways. This article describes the design of the lighting systems which produced higher illumination levels than the mercury lights it replaced, at half the power consumption of the latter The results of a questionnaire issued to a population sample of 165 motorists shows a response highly in favour of the sodium lighting system.

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Publication

Library number
B 723 fo /85.2 / IRRD 202316
Source

Lighting Design and Application, Vol. 2 (1972), No. 4 (April), p. 13-18

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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.