Sgt. David Blatner, right, the training Sergeant for a several week long Drug Recognition Expert class, sits near a completed roadside Drug Influence Evaluation sheet on a clipboard, at the Colorado State Patrol Training Academy, in Golden, Colo., Thursday March 6, 2014. The ongoing training is happening as Colorado struggles to keep accurate statewide records on marijuana-impaired drivers. (AP Photo/Brennan Linsley)

Colorado is asking marijuana users why they drive high

As it continues to combat stoned driving in Colorado, the state transportation department is hoping to have an online conversation with the public about their opinions toward marijuana, alcohol and driving.

The Colorado Department of Transportation has launched The Cannabis Conversation, an online, anonymous survey that asks people about their marijuana and alcohol use and how they feel about driving while using marijuana. The survey can be found at

“We want to find out from marijuana users why they drive high when it’s so dangerous,” said Sam Cole,¬†a transportation department spokesman.

In 2016, there were 77 traffic fatalities involving drivers with active THC in their blood, according to CDOT statistics. In Colorado, a driver is presumed impaired when when they have five nanograms or more of Delta 9-THC in their blood, but Colorado police do not use roadside devices to detect marijuana. Arrests are based on observed impairment.

The transportation department hopes the survey helps officials spot trends and attitudes toward drugged driving in Colorado, which would help them form campaigns to target behavior, Cole said.

The transportation department has hired a third-party research firm to collect and analyze the data. They want responses from across Colorado and among all age, gender and race categories. And they want non-users to respond, too, Cole said.

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