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To the best of my knowledge, there is no reliable way to test whether a driver is actively intoxicated from pot. Existing blood tests will tell you if a person

To the best of my knowledge, there is no reliable way to test whether a driver is actively intoxicated from pot. Existing blood tests will tell you if a person has used it in the past week or two, but not whether they've used it in the past hour. So average measured blood-levels could well be up because more Coloradans are smoking, but that's no proof at all that more Coloradans are driving under the influence. I wouldn't necessarily say that weed is harmless or safer than alcohol, but articles like the Denver Post one are written with an unfair bias.

bionoid 9y ago
> To the best of my knowledge, there is no reliable way to test whether a driver is actively intoxicated from pot Police here use a spit test; supposedly it reveals use within the past 24 hours. But as far as I know, it can/will test positive for a regular user that did not smoke weed in the past 24 hours. So I guess you are right; it is not reliable (but it'll still get you convicted..)