United States Department of Transportation
i
Older Driver Performance across Six Naturalistic Studies
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2021-11-01
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[PDF-815.97 KB]
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Edition:Final Technical Report
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Abstract:This study aggregated and analyzed naturalistic data from six NHTSA-sponsored studies to determine the extent older drivers’ scores on clinical measures were associated with ability to control their vehicles, including traffic control devices and maintaining proper lane position. Researchers also examined the association between the clinical measures and indices of driving exposure (total mileage and total driving time, exposure to high-speed and limited-access roadways, and other situations). Analyses of NHTSA on-road performance and naturalistic driving data explored whether participants with poorer driving skills were more likely to limit their overall driving (time or miles), avoid difficult conditions, or otherwise self-regulate. Researchers used the SHRP2 Naturalistic Driving Study, yielded findings suggesting significant differences in driver responses in crash and near-crash events tied to measures of both cognitive and physical function.
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