Infrastructure and spatial effects on the frequency of cyclist-motorist collisions in the Copenhagen region

Prato, Carlo G., Kaplan, Sigal, Rasmussen, Thomas K. and Hels, Tove (2016) Infrastructure and spatial effects on the frequency of cyclist-motorist collisions in the Copenhagen region. Journal of Transportation Safety and Security, 8 4: 346-360. doi:10.1080/19439962.2015.1055414


Author Prato, Carlo G.
Kaplan, Sigal
Rasmussen, Thomas K.
Hels, Tove
Title Infrastructure and spatial effects on the frequency of cyclist-motorist collisions in the Copenhagen region
Journal name Journal of Transportation Safety and Security   Check publisher's open access policy
ISSN 1943-9962
1943-9970
Publication date 2016
Sub-type Article (original research)
DOI 10.1080/19439962.2015.1055414
Volume 8
Issue 4
Start page 346
End page 360
Total pages 15
Place of publication New York, United States
Publisher Taylor & Francis
Collection year 2017
Language eng
Formatted abstract
Promoting cycling aims at reducing congestion and pollution as well as encouraging healthy and sustainable lifestyles but generally clashes with the perception of crash risk while riding a bicycle that is still the most significant disincentive to cycling. This study sheds light on the factors affecting the probability of cyclist–motorist collisions while accounting for heterogeneity and spatial correlation. The current study analyzed the factors contributing to increase crash risk while riding a bicycle by focusing on 5,349 cyclist–motorist collisions within 269 traffic zones in the Copenhagen Region. The model controlled for traffic exposure for bicycles and motorized transport modes, evaluated the effects of infrastructure and socioeconomic characteristics of the zones, and accounted for heterogeneity and spatial correlation across the zones. A Poisson-lognormal model with second-order conditional autoregressive (CAR) priors confirmed the existence of the safety in numbers phenomenon, contradicted previous literature about bicycle facilities not being helpful in reducing crash risk, highlighted the need for Copenhagen-style bicycle paths especially in suburban areas, and emphasized how heterogeneity and spatial correlation play a significant role in explaining the probability of cyclist-motorist crash occurrence.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Civil Engineering Publications
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Created: Mon, 18 Apr 2016, 16:02:21 EST by Carlo Prato on behalf of School of Civil Engineering