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Intra-urban location and clustering of road accidents using GIS: a Belgian example

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Steenberghen, T Dufays, T Thomas, Isabelle [UCL] Flahaut, B

This paper aims to show the usefulness of GIS and point pattern techniques for defining road-accident black zones within urban agglomerations. The location of road accidents is based on dynamic segmentation, address geocoding and intersection identification. One-dimensional (line) and two-dimensional (area) clustering techniques for road accidents are compared. Advantages and drawbacks are discussed in relation to network and traffic characteristics. Linear spatial clustering techniques appear to be better suited when traffic flows can be clearly identified along certain routes. For dense road networks with diffuse traffic patterns, two-dimensional techniques make it possible to identify accident-prone areas. The operationality of the techniques is illustrated by showing the impact of traffic-calming measures on the location and type of accidents in one Belgian town (Mechelen).

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès restreint
Publication date 2004
Language Anglais
Journal information "International Journal of Geographical Information Science" - Vol. 18, no. 2, p. 169-181 (2004)
Peer reviewed yes
Publisher Taylor & Francis Ltd (Abingdon)
issn 1365-8816
e-issn 1365-8824
Publication status Publié
Affiliation UCL
Links
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Bibliographic reference Steenberghen, T ; Dufays, T ; Thomas, Isabelle ; Flahaut, B. Intra-urban location and clustering of road accidents using GIS: a Belgian example. In: International Journal of Geographical Information Science, Vol. 18, no. 2, p. 169-181 (2004)
Permanent URL http://hdl.handle.net/2078.1/40495