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How many crashes are caused by driver interaction with passengers? A meta-analysis approach
Athanasios Theofilatos1, Apostolos Ziakopoulos1, Eleonora Papadimitriou1
1National Technical University of Athens, Department of Transportation Planning and Engineering, 5 Heroon Polytechniou st., GR-15773 Athens, Greece.
Interacting with passengers while driving is a significant risk factor for road safety. This distraction contributes to a notable percentage of crashes, highlighting the need for targeted interventions.
Area of Science:
- Road safety research
- Human factors in transportation
- Traffic accident analysis
Background:
- Driver distraction due to passenger interaction is a recognized risk factor in road safety.
- Detrimental effects include slower reaction times and increased crash severity.
Purpose of the Study:
- To conduct a qualitative literature review on passenger interaction and road safety.
- To extend the review with meta-analysis techniques to quantify crash proportions.
Main Methods:
- Qualitative literature review.
- Meta-analysis of studies on passenger interaction as a crash causation factor.
- Rigorous study selection criteria were applied.
Main Results:
- Passenger interaction is associated with a non-negligible proportion of road crashes.
- Meta-analysis estimated 3.55% of crashes regardless of passenger age.
- Excluding child and teen passengers, the estimate was 3.85%.
Conclusions:
- Driver interaction with passengers is a statistically significant cause of road crashes.
- Further research is needed, particularly on the influence of passenger age.
- Findings can inform stakeholders for crash prevention strategies.
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