Driving While High is a Growing Danger Where Marijuana is Legal

Law enforcement is turning to creative methods to keep drivers who are high off the roads.
3:00 | 03/07/14

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Transcript for Driving While High is a Growing Danger Where Marijuana is Legal
And from the jobs news we now head out west to kind of a morning after for Colorado, where marijuana is now legal, there's a new worry about who's driving and what condition on the highways. On average, frequent marijuana users admit to driving under the influence 17 times a months. Here's ABC's Clayton Sandell. Reporter: Colorado exploding marijuana industry that's now legal, police here are now redoubling the fight against something that will always be illegal. Driving while stoned. We teach them to look at certain things and it is kind of an elimination process. Reporter: Colorado wants to train 300 officers to spot so much the symptoms of marijuana impairment, including tremors and the big give-away, the eyes. Those dlated pupils now showing up in a new state ad campaign. In this one, the pot user is installing a TV but gets distracted by the munchies. The ads are funny, but researchers say the problem is serious. Columbia university studied thousands of fatal crashes. Have you ever driven high? Have I? Sometimes. Reporter: Some marijuana users believe they're safe behind the wheel. You're more cautious. You'll probably be more alert. You're not dizzy or drousy as with alcohol. Reporter: Police don't buy it. If it slows down your reaction time. Reporter: The new slogan here is a warning, drive high, get a DUI. Clayton Sandell, ABC news, Denver.

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