Single-vehicle crashes contribute to more fatalities compared to other crash types in the United States. Based on the age group, risk factors associated with single-vehicle fatal crashes were compared between older drivers and other drivers who have been involved in crashes at intersections in the Midwest region. In this study, a fatal crash data set was gathered for five years from the Fatality Analysis Reporting System (FARS) database. Two separate logistic regression models were developed to predict single-vehicle fatal crashes at intersections by older and other drivers. Risk factors affecting toward increased single-vehicle fatal crashes at intersections were identified for each age group, and comparisons were made with the intention of identifying suitable countermeasures. The effect of these factors was more strongly influential toward increased older driver fatal single-vehicle crashes at intersections compared to other drivers. The predictors that increase fatal single-vehicle crashes at intersections for both driver age groups were controlled intersections, two-way undivided highways, reduced speed limits, urban roadway locations, driving during nighttime, and rollover or hitting animals. Additionally, driving under influence of alcohol or drugs were determinants of elevated fatal single-vehicle crashes at intersections for other drivers but not for older drivers. The study findings are helpful in investigating the potential ways in improving the safety of not only older drivers, but also all road users.
Comparison of Risk Factors Associated with Older and Other Drivers in Single-Vehicle Fatal Intersection Crashes
International Conference on Transportation and Development 2022 ; 2022 ; Seattle, Washington
2022-08-31
Conference paper
Electronic Resource
English
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