10-60 The Stop: DUI - Drugs Impaired Driving includes marijuana use. In this video officers noticed clear signs of erratic driving and, through specialized training and field sobriety tests, determined the driver was impaired by cannabis. It's the Law in Oklahoma, operating a vehicle with any amount of controlled substance, including marijuana can lead to a DUI-D charge, even if you possess a medical marijuana card, you are not permitted to drive while impaired. Plan Ahead. Get a Safe Ride. | Ok