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

Getting beyond "I think I'm OK."

People high on pot used a driving simulator. Here's what happened

O Cannabis! Archives ⋆ Valley Advocate

What's Your Opinion: As more U.S. states move toward legalizing

Testing drivers for cannabis is hard. Here's why

Is Driving High as Dangerous as Driving Drunk? - The New York Times

Positive marijuana drug tests among U.S. employees hits record

If recreational weed is legal in Missouri, can you drive high

Legal marijuana: Data show minimal effects on teen use, traffic deaths

Valley Advocate - Alternative Pioneer Valley news, arts & entertainment

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

More drivers in fatal crashes in Colorado are testing for

Don't Drive High. Your life can change in an instant: Fast facts about drug-impaired driving (DID)