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Systematic review and meta-analysis exploring safety performance measures of work zone
Faijan Ali Ansari1, Agnivesh Pani2, Simon Oh3
1Department of Civil Engineering, Indian Institute of Technology (Indian School of Mines) Dhanbad, Dhanbad, India.
Summary
This study systematically reviews work zone crashes, identifying crash-prone elements and influencing factors. A meta-analysis quantifies traffic volume
Area of Science:
- Transportation Engineering
- Road Safety
- Traffic Management
Background:
- Work zones are significant contributors to road fatalities and traffic congestion.
- Existing research on work zone crashes lacks a comprehensive systematic review and meta-analysis.
- Understanding crash factors is crucial for enhancing road safety.
Purpose of the Study:
- To systematically review and analyze factors contributing to work zone crashes.
- To identify the most crash-prone elements within work zones.
- To evaluate methods for predicting crash occurrences and severity, and quantify the impact of traffic volume on crash severity.
Main Methods:
- Systematic literature review of work zone crashes and contributing factors.
- Meta-analysis to quantify the association between traffic volume and crash severity.
- Identification and evaluation of various modeling approaches for crash prediction.
Main Results:
- Identified key factors influencing work zone crashes: work zone characteristics, environmental conditions, roadway features, temporal aspects, driver characteristics, and crash attributes.
- Evaluated diverse modeling approaches for predicting crash occurrences and severity.
- Quantified the relationship between traffic volume and crash severity levels in work zones.
Conclusions:
- Findings highlight critical factors for improving work zone safety.
- The study provides a foundation for developing targeted safety strategies.
- Enhanced understanding of traffic volume's impact on crash severity can inform proactive safety measures.
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