Four years after the legalization of recreational pot sales, state officials are another step closer to determining how the change is affecting the safety of Colorado’s roads — but many obstacles remain.
About 73 percent of some 4,000 drivers charged with driving under the influence in 2016 tested positive for marijuana, according to a new Division of Criminal Justice report. Of those who tested positive, about half of the drivers had more than the legal limit of Delta 9 THC — marijuana’s chief psychoactive compound — in their blood.
But the study also reveals a criminal justice system not prepared to deal with drugged driving. The authors of the report noted that inconsistent testing is one of the many challenges in collecting data on drug-impaired driving.
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