Techniques for analysing the effect of road geometry on accident rates using multi-factor studies.

Author(s)
Arndt, O. & Troutbeck, R.
Year
Abstract

This paper discusses techniques developed in a study undertaken in Queensland to determine the effect of unsignalised intersection geometry on accident rates. The study used a multi-factor (multi-variate) approach, which considers simultaneously the effects of many factors on the incidence of accidents. This approach was chosen because numerous studies in the literature review that identified opposite relationships to that expected used a multi-factor approach. By undertaking a study using this approach, reasons for the previous results could potentially be identified and new techniques developed. This paper discusses four problems identified with using a multi-factor approach and discusses numerous techniques to mitigate these problems. Application of the techniques has resulted in numerous relationships being identified between unsignalised intersection geometry and accident rates. (a) For the covering entry of this conference, please see ITRD abstract no. 0612AR242E.

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Publication

Library number
C 39011 (In: C 38917 CD-ROM) /82 / ITRD E214593
Source

In: Research into practice : proceedings of the 22nd ARRB Conference, Canberra, Australia, 29 October - 2 November 2006, 15 p.

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