In California, motorcycles are permitted to use HOV lanes.
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The high-occupancy vehicle lane (also known as the HOV route) is a restricted road lane reserved for the special use of vehicles with one or more drivers and passengers, including carpools, vanpools and passenger buses.
The average occupancy rate of 2 or 3 residents. Many jurisdictions release other vehicles, including motorcycles, charter buses, emergency and legal vehicles, low-emission and other green vehicles, and/or solitary vehicles that pay taxes.