High Occupancy Vehicle (HOV) and High Occupancy Toll (HOT) Lane Exemption

Compressed natural gas (CNG), hydrogen, electric, and plug-in hybrid electric vehicles (PHEVs) meeting specified California and federal emissions standards and affixed with a California Department of Motor Vehicles (DMV) Clean Air Vehicle sticker may use HOV lanes regardless of the number of occupants in the vehicle. White Clean Air Vehicle Stickers are available for qualified CNG, hydrogen, and electric vehicles. Green Clean Air Vehicle Stickers are available for qualified purchased or leased PHEVs. Stickers are valid through the following dates:

  • Stickers issued before January 1, 2019 expire January 1, 2019;
  • Stickers issued on or after January 1, 2019 for a vehicle that had been issued a sticker between January 1, 2017 and January 1, 2019, expire January 1, 2022; and
  • All other stickers issued on or after January 1, 2019 expire on January 1 of the fourth year after the sticker was issued.
These vehicles are also eligible for reduced rates or exemptions from toll charges imposed on HOT lanes. For more information and restrictions, including a list of qualifying vehicles, see the California Air Resources Board Carpool Lane Use Stickers website. (Reference Assembly Bill 544, 2017, and California Vehicle Code 5205.5 and 21655.9)

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