Weed Warning: Legalizing Marijuana Tied to Rise in Crashes in 3 States by HLDI

Legalizing recreational marijuana use in Colorado, Oregon and Washington has resulted in collision claim frequencies that are about three percent higher overall than would have been expected without legalization, a new insurance report has found.
The Highway Loss Data Institute (HLDI) report says that more drivers admit to using marijuana, and the substance is showing up more frequently among people involved in crashes