Fog detection on motorways : a progress report.

Author(s)
Syms, R.F.
Year
Abstract

This article describes the development of an accurate and reliable early warning system, its operational trials and subsequent improvements. The equipment consists of a point visibility meter, to measure the fog density of the centre of the instrument, and a background light meter. Results from preliminary trials in fog chambers and on the M4 motorway are described.

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Publication

Library number
B 20178 fo /82/ IRRD 241695
Source

Police Research Bulletin, 1979, No.32, p.19-29, fig., graph., 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.