California Violation Code 21655.5 – Driving solo in a carpool lane

Definition of violation code 21655.5

A person shall not drive a vehicle described in subdivision (a) of Section 5205.5 with a single occupant upon a high-occupancy vehicle lane pursuant to this section unless the decal, label, or other identifier issued pursuant to Section 5205.5 is properly displayed on the vehicle, and the vehicle registration described in Section 5205.5 is with the vehicle.