United States Department of Transportation
i
Commercial Driver Safety Risk Factors [Research Brief]
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2020-06-01
[PDF-402.93 KB]
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Abstract:The study examined an array of driver and situational factors to determine their prevalence and relationship to crash or moving violation risk among more than 21,000 commercial motor vehicle (CMV) drivers. These risk factors consisted of personal factors, such as demographic characteristics, medical conditions (e.g., diabetes/elevated blood sugar, high blood pressure, obstructive sleep apnea [OSA]), personal attitudes, and behavioral history. The study linked risk factors with characteristics of individual drivers and their driving records—especially the occurrence of crashes. The prospective study design observed these drivers for up to 3 years using data from carrier and Federal sources. The study collected driver exposure data and treatment (yes/no) information for the medical conditions. Key findings from the study are presented in Table 1.
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