Clearing the Smoke on Cannabis: Cannabis Use and Driving

Canadian Centre on Substance Use and Addiction (CCSA)

After over three decades of successful efforts to change behaviour and to increase social intolerance of driving while impaired by alcohol, drug-impaired driving has emerged as an increasingly important public health and road safety issue, particularly in light of the recent legalization of non-medical cannabis use in Canada. This report presents the evidence on the prevalence of driving following the use of cannabis, the impact of cannabis on driving performance and collision risk, and the detection of drivers who are impaired by this substance. This report concludes by discussing the implications for policy and practice.

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