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Related Experiment Video

Updated: May 9, 2026

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior

Published on: June 9, 2020

Guardrail influence on pedestrian crossing behavior at roundabouts.

Ariel Cohen¹, Hillel Bar-Gera, Yisrael Parmet

¹Department of Industrial Engineering and Management, Ben-Gurion University of the Negev, Israel.

Accident; Analysis and Prevention

|August 6, 2013

Summary

Guardrails significantly improve pedestrian safety at roundabouts by directing more people to use crosswalks. Installing guardrails reduced illegal crossings by 20-30%, especially in high-traffic areas.

Keywords:

Compliance Guardrail Pedestrian Roundabout Traffic safety

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Area of Science:

Road safety engineering
Human factors in transportation
Urban planning and design

Background:

Pedestrian fatalities represent a significant portion of road accident deaths in Western countries.
Understanding pedestrian behavior, particularly at complex intersections like roundabouts, is crucial for enhancing safety.
Current safety measures need evaluation to identify effective interventions for pedestrian compliance.

Purpose of the Study:

To quantify the effectiveness of guardrails in directing pedestrians to use designated crosswalks at roundabouts.
To analyze how various factors (guardrail type, traffic volume, demographics, road characteristics) influence pedestrian crossing behavior.
To provide data-driven insights for improving pedestrian safety strategies at roundabouts.

Main Methods:

Field observations were conducted at 20 arms across 10 roundabouts in Israel.
60 hours of video recordings were analyzed, documenting 11,116 pedestrian crossings.
A Binary Logit model was employed to assess the impact of guardrails and other variables on crossing compliance.

Main Results:

Approximately 24.7% of observed pedestrian crossings (2749 out of 11,116) occurred outside of designated crosswalks, indicating non-compliance.
The presence of guardrails was associated with a 20-30% reduction in illegal crossing rates compared to areas without guardrails.
Pedestrian compliance with crosswalks increased with higher traffic volumes.

Conclusions:

Guardrails are an effective tool for improving pedestrian safety at roundabouts by increasing compliance with crosswalk usage.
The findings support the implementation of guardrails as a practical measure to reduce pedestrian violations and enhance road safety.
Further research into pedestrian crossing patterns can inform the development of additional safety improvements for roundabouts and other road environments.