An official website of the United States government.
Examination of Cannabis Users’ Perceptions and Self-Reported Behaviors to Inform Messaging to Deter Impaired Driving
Cannabis is the most widely used psychotropic substance surpassing alcohol use in 2022 in the United States. As with other impairing substances, evidence suggests that driving under the influence of cannabis is also associated with an increased risk of crashes, injuries, and fatalities. There is a paucity of evidence on strategies to impact driving after cannabis use. In addition, many users hold misperceptions about cannabis and driving, including that cannabis is less risky than alcohol, cannabis is legal so it is lawful to drive after use, and police cannot identify cannabis impairment. This multiphase study synthesized insights from subject matter experts and drivers who use cannabis in order to provide recommendations for more effective communication strategies and interventions to reduce the incidence of cannabis-impaired driving.
Read the full study here.