Since citziens voted to legalize the use of marijuana in Washington, there has been a lot of talk about how to enforce DUI laws for people under the influence of pot.

Some are predicting that drug labs will be bogged down with blood test for THC, the active ingredient in pot. The only option to check if a driver is over the limit currently is a blood test, which is a prolonged process and could cause court and other legal issues. Portland’s KGW has the story.

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