Before- and after studies of road accidents.

Author(s)
Leeming. J. J.
Year
Abstract

It is most important that before and- after studies should be undertaken when any change is made ion road conditions, both to provide evidence of the effect the various types of work have on accidents, and to establish whether a road improvement has been properly designed. This paper describes with examples the statistical analysis used in these studies.

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Publication

Library number
A 2069 fo
Source

The Journal of the Institution of Highway Engineers, February 1968, p. 5-11

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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.