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Considering built environment and spatial correlation in modeling pedestrian injury severity
Carlo G Prato1, Sigal Kaplan2,3, Alexandre Patrier3
1a School of Civil Engineering , The University of Queensland , St. Lucia , Brisbane , Australia.
Traffic Injury Prevention
|May 24, 2017
Summary
Pedestrian safety is enhanced by considering the built environment and traffic calming measures. Areas with higher pedestrian density, like shopping zones, reduce injury severity in road crashes.
Area of Science:
- Traffic Safety Research
- Urban Planning
- Environmental Health
Background:
- Pedestrian injury severity in road crashes is a significant public health concern.
- Existing research often overlooks the influence of the built environment and spatial factors.
Purpose of the Study:
- To identify mitigating and aggravating factors of pedestrian injury severity.
- To analyze the role of the built environment and spatial correlations in pedestrian crashes.
Main Methods:
- Analysis of 6,539 pedestrian crash reports in Denmark (2006-2015).
- Integration of crash data with Geographic Information System (GIS) data on the built environment.
- Application of a linearized spatial logit model to estimate injury severity probability.
Main Results:
- Confirms higher vulnerability for older and intoxicated pedestrians.
- Identifies heavy vehicles and higher speed limits as factors in severe outcomes.
- Reveals positive spatial correlations in crash severity and highlights the built environment's role.
Conclusions:
- Recommends traffic calming, improved illumination, road maintenance, and speed limit reductions.
- Emphasizes the protective effect of built environment features like shopping and residential areas.
- Suggests higher pedestrian traffic density increases driver awareness, reducing injury severity.
