High Occupancy Vehicle (HOV) Lane Access - Arizona Department of Transportation
Vehicles with an Alternative Fuel Vehicle (AFV) or Energy Efficient license plate are permitted to use HOV lanes, regardless of the number of passengers. Qualified vehicles must display the required license plate, which are available from the Arizona Department of Transportation (ADOT). Vehicles registered with Energy Efficient plates prior to May 20, 2014, may continue to use HOV lanes until the owner sells or transfers the vehicle.
P.O. Box 2100
Mail Drop 801Z
Phoenix, Arizona 85001