Too High to Drive? New App Allows Marijuana Users to Test Their Impairment Level

Getting beyond "I think I'm OK."

Minnesota to launch roadside impairment test for marijuana

Drugged Driving Meet the Effects — Colorado Department of

Marijuana and driving: What you need to know (FAQs)

An App That Measures How High You Are? St. Mike's Professor Tests

Driving while stoned leads to more traffic accidents in a country

Is driving high as bad as driving drunk? Legalization and what it means for traffic safety, Explore UCalgary

Take this lawyer's advice: Don't use marijuana and drive.

Driving Under the Influence, of Marijuana - The New York Times

No toking and driving until reliable roadside cannabis test available, Manitobans tell pollsters

Marijuana use in U.S. teen drivers: a comparison of a road-side survey of reported use and fluid tests for tetrahydrocannabinol (THC), Injury Epidemiology

Marijuana breathalyzer aims to detect drivers who are still high