How Marijuana Affects Driving

From planning routes and controlling movements to interpreting visual and auditory cues, your brain works hard to keep you safe on the road. Marijuana can get in the way of that. In fact, one of every seven drivers in fatal crashes tested positive for THC in 2020.*

The science is clear—protect yourself on the road by steering clear of marijuana. And if you need help refusing a ride from a high driver, check out our tips on opting out.

* Source: WA Traffic Safety Commission, Cannabis Involvement Among Drivers in Fatal Crashes, February 2022