Beginning September 30, 2025, electric cars and other alternative fuel vehicles will no longer have their privileged access to HOV lane in Arizona. This is following the Federal Highway Administration (FHWA) announcement that the federal exemption for single-occupant electric vehicles in HOV lanes will end.
This change will affect EV drivers, prospective alternative fuel vehicle purchasers, and companies engaged in selling or servicing these vehicles.
Why Is the HOV Lane Exemption Ending?
Presently, a federal statute (23 USC 166b) permits Arizona to permit electric and other alternative fuel vehicles to use HOV lanes with a single occupant. The lanes typically mandate two or more passengers, aside from motorcycles.
This federal regulation is due to expire, though, and Congress has not moved to renew it. Unless Congress enacts new legislation prior to September 30, 2025, Arizona will be required to eliminate the exemption.
Who Will Be Impacted?
Electric vehicle drivers who travel alone. Alternative fuel vehicle owners with an Alternative Fuel or Energy Efficient special license plate. Dealerships and repair shops that sell or service alternative fuel vehicles. Potential buyers looking at an electric vehicle or alternative fuel vehicle.
Numerous EV owners have benefited from HOV lane access as a benefit of their eco-friendly decision. With this policy change, they will now be subject to regular HOV rules like everyone else.
What Alternative Fuel Vehicles Lose HOV Access?
The HOV lane exemption was not reserved only for electric vehicles. Other alternative fuel vehicles that will be denied access are those powered by:
- Natural gas
- Propane
- Hydrogen
- Coal-derived liquid fuels
- Biofuels
- Methanol and alcohol-fueled fuels
These vehicles will lose HOV lane privilege unless they carry two or more people.
ADOT’s Role in the Transition
The Arizona Department of Transportation (ADOT) is making efforts to facilitate easy communication regarding the transition. ADOT has established a special website at azdot.gov/HOVRule to Supply clear information about the new rules for HOV lanes, Inform existing EV owners of the upcoming expiration of the exemption and Educate auto dealers so they can inform customers in the right direction.
ADOT’s Motor Vehicle Division will also inform registered owners of eligible vehicles regarding the coming changes.
HOV Lanes in Phoenix: What You Should Know
The HOV lanes in Arizona are mostly located in the Phoenix metropolitan region. These lanes aim to:
- Lessen traffic congestion through carpooling.
- Enhance air quality through reduced single-occupancy vehicles.
- Accelerate travel times for multi-passenger vehicles.
- As EVs lose their privileged access, traffic movement might slightly change as more cars move into general lanes instead.
Also read: Dartmouth College Class of 2029 Admissions & Application Trends
What Should EV Owners Do?
Since the exemption has lapsed, EV drivers need to adjust to the new regulation. Here’s what they can do:
- Carpool – The simplest way to keep using HOV lanes is by carrying two or more people.
- Plan for Traffic – Bracing for longer commutes because single-occupancy EVs will be flowing into general lanes.
- Check for Updates – Look for any final updates at azdot.gov/HOVRule.
- Consider Other Advantages – As HOV lane use is phased out, EVs continue to provide fuel economy savings, tax credits, and green driving.
Will Congress Renew the EV HOV Exemption?
Congress makes the decision regarding an extension of the EV HOV lane exemption. If Congress moves before September 30, 2025, they can:
- Extend the exemption, keeping EVs on HOV lanes.
- Establish new policy to assist alternative fuel vehicles.
Even so, there are no assurances Congress will act quickly enough. Owners of EVs need to adapt to the change and not be holding out for a reversal.
Final Thoughts
The upcoming sunset of Arizona’s EV HOV lane privilege represents a notable change for drivers of alternative fuel cars. By September 30, 2025, sole occupancy EVs and other alternate fuel vehicles must obey regular HOV lane policies.
ADOT is attempting to provide seamless communication, but motorists should remain knowledgeable and alter their driving routines appropriately. Whether or not Congress becomes involved, this alteration will affect thousands of Arizona motorists.
