do states that legalized weed allow driving
But anytime a driver has their ability impaired, it is a problem.. Colorado and Washington are the only states that allow retail sales of marijuana for recreational use. Efforts to legalize recreational marijuana are underway in Alaska, Massachusetts, New York, Oregon and the District of Columbia.Twenty-three states and the nation's capital permit marijuana use for medical purposes. It is illegal in all states to drive while impaired by marijuana.Colorado, Washington and Montana have set an intoxication threshold of 5 parts per billion of THC, the psychoactive ingredient in pot, in the blood. A few other states have set intoxication thresholds, but most have not set a specific level.t is illegal in all states to drive while impaired by marijuana. Colorado, Washington and Montana have set an intoxication threshold of 5 parts per billion of THC, the psychoactive ingredient in pot, in the blood. A few other states have set intoxication thresholds, but most have not set a specific level.