Exploring perceptions on collision risk among people who drive after using cannabis

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This evidence brief explores perceptions on collision risk among people who drive after using cannabis. The brief was developed by the Evidence Exchange Network in 2019. 

What you need to know:

This study described the detailed perspectives and personal stories of driving while under the influence of cannabis (DUIC) of 20 adults in a remedial program for impaired driving. Many participants felt that driving after using cannabis is less risky than after drinking alcohol or using other drugs. Participants’ feelings were mixed on the dangers of driving high. Some felt using cannabis does not increase the risk of collision, and many felt they were less likely than others to get into a car crash after cannabis use. Some stated that using cannabis while driving was more accepted by their peers than family members, but this may have been because they trusted the opinions of other cannabis users more than non-users.