Oregon Sets Massive Precedent—Refuses to Enforce THC Blood Limit for Driving

‘There’s a lot to be said for states that have legalized recreational and/or medical cannabis, but even Colorado and Washington have one problem – arbitrary blood-THC limits which imply a driver is impaired.
These numbers, such as Washington’s 5ng/ml, have no scientific basis for assessing the level of impairment. Despite this, six states with legal weed have per se limits for tetrahydrocannabinol; being over that number automatically makes you guilty of driving under the influence of drugs (DUID).
Oregon, however, is bucking the trend. In its DUI Legislative Report, the state’s Liquor Control Commission said it is recommending against a per se THC limit. By relying on the actual state of science, this welcome exercise in rationality should set an example for other states setting up their own regulatory framework.’
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