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The priority setting of factors affecting a crash severity using the Analytic Network Process
Milad Safari, Seyed Shamseddin Alizadeh, Homayoun Sadeghi Bazargani
1Health and Environment Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
Journal of Injury & Violence Research
|October 23, 2019
Summary
Prioritizing factors like speed, road user type, drowsiness, and road conditions is key to reducing traffic crash severity. This study used expert analysis to rank these critical elements for improved road safety strategies.
Area of Science:
- Traffic Safety Research
- Transportation Engineering
- Accident Analysis
Background:
- Recognizing factors contributing to crash severity is the first step in mitigation.
- This study aimed to prioritize factors influencing traffic accident severity.
- Research conducted in Iran during 2018.
Purpose of the Study:
- To identify and prioritize key factors affecting traffic crash severity.
- To provide a framework for traffic safety experts to focus mitigation efforts.
- To enhance understanding of the complex nature of road accident causation.
Main Methods:
- Cross-sectional study design.
- Application of Multi-Criteria Decision-Making (MCDM) methods.
- Utilized the Analytic Network Process (ANP) with Super Decisions software, incorporating expert opinions from ten traffic safety specialists.
Main Results:
- Identified four primary factors and 60 sub-factors influencing crash severity.
- Ranked factors: Safety (most critical sub-factor: exceeding speed limit), Other Factors (most critical sub-factor: road user type), Health (most critical sub-factor: drowsiness), and Environment (most critical sub-factor: slippery roads).
Conclusions:
- The prioritized factors offer actionable insights for traffic safety experts.
- Findings can guide the development of targeted interventions to control and reduce crash severity.
- Emphasizes the importance of a multi-faceted approach considering safety, user behavior, health, and environmental conditions.
