How high is too high to drive? Cannabis impairment facts.

CDOT releases new safe-driving educational materials

How high is too high to drive? How long does weed stay in your system? Are cannabis-impaired DUIs even real?

Get the answers to your cannabis-impaired driving questions and the latest data from our fact sheet. From cannabis use to DUI laws and the dangers of driving high — we have the facts.

Our goal is to educate Coloradans about cannabis-impaired driving and keep Colorado roadways safe. This begins with accurate and trusted information. Remember that driving high is always dangerous and illegal, plan ahead and know the facts.


Download CDOT's new marijuana-impaired driving fact sheet

We encourage you to share these materials on your social feeds, newsletters or websites. Printed educational tear-off pads are also available for use in cannabis businesses, prevention organizations and community gathering places. Order free materials here.

To get involved with the campaign, reach out to CDOT Traffic Safety Communications Manager Sam Cole at [email protected].

Visit for more news and resources on marijuana-impaired driving.