By on August 10, 2018

[Image: Jeffrey Smith/Flickr]

As jurisdictions across the continent prepare to legalize the consumption of marijuana, assuming they haven’t already, the methods of testing for drug-impaired driving haven’t advanced quite as rapidly as legislation.

While breathalyzers are a mainstay of the law enforcement toolkit, getting an accurate reading of just how impaired a drug-using driver really is isn’t an exact science — despite some claims to the contrary. Blood tests for THC, the active ingredient in marijuana, are often misleading. Actual impairment really comes down to the user, not the blood reading. A driver’s buzz could easily have worn off long before getting behind the wheel, despite the elevated presence of THC in their bloodstream.

Apparently, demands for better testing is something the Colorado Department of Transportation hears at meeting after meeting.

North of the border, the entire country of Canada goes weed-legal this fall, and the likely method of detecting DUID (driving under the influence of drugs) is already coming under fire. (Read More…)

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