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

Getting beyond "I think I'm OK."

Driving While Baked? Inside the High-Tech Quest to Find Out

Green Lab': Baltimore County police train on cannabis users to detect impairment - CBS Baltimore

Marijuana breathalyzer test aims to detect drivers who are high

and meticulous,” Dunphy said.

A new urine test could help curtail the use of the latest synthetic cannabinoids to enter the drug scene

Are you too high to drive? There's an app for that

Weed is legal in Delaware, so what can (and can't) you do? - WHYY

Driving under the influence of cannabis: How high is too high?

Minnesota sisters invent device to test for high drivers

Minnesota law enforcement can now test for drugged driving