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Identification of Age Threshold for Driving Performance  

Kim, Tae-Ho (The Research Institute of Industrial Science, Hanyang University)
Ko, Joon-Ho (Seoul Development Institute)
Won, Jai-Mu (Department of SOC & Transportation Graduate School of Urban Studies, Hanyang University)
Hu, Ec (Department of SOC & Transportation Graduate School of Urban Studies, Hanyang University)
Publication Information
Journal of the Korean Society of Safety / v.23, no.3, 2008 , pp. 71-78 More about this Journal
Abstract
This study aims to identity the age group where driving performance significantly decreases based on the data collected from the Korea Transportation Safety Authority's driver aptitude tests in 2006. The test includes following six driving simulator-based tests: estimation of moving objects' speed, estimation of stopping distance, three tests for drivers' multi-task ability, and kinetic depth perception. These six test results were utilized for the identification of the age threshold applying the CART technique, suggesting driving ability significantly be decreased over 50s. This finding was confirmed by two analyses using the accident history data containing the information of accident and non-accident drivers and the degree of accident severity. The results of this study imply that accident prevention efforts should be enhanced over a wider range of age group than the current practice where the age of 65 is generally applied for the threshold dividing senior and non-senior driver groups.
Keywords
driving performance; age threshold; driver aptitude test;
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