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Overestimated crash risks of young and elderly drivers
Jonathan J Rolison1, Salissou Moutari2, Paul J Hewson3
1School of Psychology, Queen's University Belfast, Belfast.
American Journal of Preventive Medicine
|December 21, 2013
Summary
Young and elderly drivers do not have higher crash rates when collision partners
Area of Science:
- Road safety research
- Traffic accident analysis
- Driver behavior studies
Background:
- Young and elderly drivers are perceived to have higher crash rates.
- However, they drive less and are a minority of road users.
- Crashes involving them often include middle-aged drivers who drive more frequently.
Purpose of the Study:
- To investigate crash rates of young and elderly drivers.
- To control for the ages of all drivers involved in traffic collisions.
Main Methods:
- Retrospective longitudinal study of two-vehicle crashes in Great Britain (2002-2010).
- Analysis of driver age ranges (17-20, 21-29, 30-39, 40-49, 50-59, 60-69, ≥70 years).
- Used National Travel Survey data to estimate trip-based crash rates.
Main Results:
- Crash rates for 17-20 year olds were not significantly different from 21-29 year olds.
- Seventeen-year-old drivers had the lowest crash rate within the 17-20 age group.
- Drivers aged ≥70 had similar crash rates to 60-69 year olds and lower rates than 50-59 year olds.
Conclusions:
- Findings contradict previous reports of high crash risks for young and elderly drivers.
- Previous studies may have overestimated risks by not accounting for all drivers' ages in collisions.
- Adjusting for collision partners' ages provides a more accurate assessment of driver risk.
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