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Journal Article

Citation

Orfila O, Coiret A, Do MT, Mammar S. Accid. Anal. Prev. 2010; 42(6): 1736-1743.

Affiliation

Laboratoire Central des Ponts et Chaussées, Route de Bouaye, 44 340 Bouguenais Cedex, France.

Copyright

(Copyright © 2010, Elsevier Publishing)

DOI

10.1016/j.aap.2010.04.014

PMID

20728624

Abstract

Usually, road safety is assessed by following adequate highway geometric design standards and can be controlled later by measurement and expertise. Nevertheless, interactions between vehicle dynamics and road characteristics cannot be simultaneously analyzed for these two means of safety evaluation. In this study, an analytical method based on road/vehicle physical interactions applied to road diagnosis is proposed. Vehicle "point" and "bicycle" models are used in this first approach. French highway geometric design standards and a statistical method are presented and evaluated on a real curve case. The proposed numerical criterion, for the "bicycle" model, is then compared to these two classical methods for the considered road section. Its advantages are that it takes into account several combined parameters, that road defects are precisely localized and that it provides hierarchically classified solutions to the road managers. After this comparison step, further improvements should be focused on the modeling of successive curves and on the improvement of the informations given to the road manager.


Language: en

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