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Factors influencing traffic conflict severity in shared spaces
Amrit Ghimire1, William Payre2, Stewart A Birrell2
1Safe Future Mobility Research Lab, School of Engineering, Deakin University, Waurn Ponds, VIC 3216, Australia; National Transport Design Centre, Coventry University, Coventry CV1 2TT, UK.
Accident; Analysis and Prevention
|March 23, 2026
Summary
Pedestrian safety in shared spaces improves when vehicles yield and more pedestrians are present. Conflict severity increases on weekdays and during peak hours, especially when pedestrians cross between parked cars.
Area of Science:
- Urban Planning
- Traffic Safety Engineering
- Human Factors in Transportation
Background:
- Shared spaces aim to integrate pedestrians and vehicles, but pedestrian-vehicle conflicts are frequent.
- Understanding factors influencing pedestrian safety in these mixed-traffic environments is crucial.
Purpose of the Study:
- To investigate pedestrian-vehicle conflicts in shared spaces.
- To identify factors influencing conflict severity, including pedestrian behavior, environmental conditions, and traffic characteristics.
Main Methods:
- Real-world observational data collected using roadside video cameras in Victoria, Australia.
- Analysis of pedestrian-vehicle conflicts using generalized linear regression models.
Main Results:
- Conflict severity decreased when vehicles yielded, involved four-wheelers, or had more pedestrians nearby.
- Conflict severity increased on weekdays, during AM peak hours, and when pedestrians crossed between parked vehicles.
- Higher conflict severity was linked to stationary pedestrians near kerbs.
Conclusions:
- Factors influencing pedestrian-vehicle conflict severity in shared spaces have been identified.
- Findings can inform the design and planning of safer shared urban environments.
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