Some states put a THC limit on pot-smoking drivers — Here’s why California doesn’t

12/31/17–California will not set a THC level limit for determining marijuana DUIs when pot legalization laws take full effect Monday with the first sales of recreational cannabis in some cities. California’s decision to keep the DUI laws unaltered is a departure from the first states to legalize recreational cannabis. Washington and Colorado have amended their laws to set marijuana limits that carry varying degrees of weight in court. Read