Stoned Driving Driving while stoned can have a range of effects on your driving skills, from slowing your reaction time to decreasing your coordination. This page includes a range of resources designed to inform and educate young drivers. Driving fast factsA quick 101 of how smoking cannabis can affect driving skills. Driving stoned FAQA no-nonsense list of frequently asked questions about driving stoned. Drug driving penaltiesDrug driving penalties An infographic of drug driving penalties by state and territory. Stoned driving literature A review of studies relating to the effects of cannabis on driving.