Express Lanes now HOV-3+

Vehicles need to have three or more occupants to qualify as HOV on I-66 and travel the express lanes without paying a toll. The change from HOV-2+ to HOV-3+ occurred on Dec. 5, 2022, and applies to the 66 Express Lanes inside and outside the Beltway.

Click here to learn more about the change and incentives for new HOV-3+ carpools.

66 Express Lanes Toll Calculator

Click here to find current toll price estimates and past toll prices for any entrance or exit to the I-66 Express Lanes Inside the Beltway.

66 Express Lanes Toll Calculator

Also available for your phone in the Apple and Google app stores.

Improve your rush hour trip

Now, anyone is able to choose a faster trip during rush hours on Northern Virginia’s Interstate 66 Inside the Beltway, between Interstate 495 and Route 29 in Rosslyn. If driving alone, you’ll need to pay a toll and will need an E-ZPass. If you carpool, you can travel free and will need an E-ZPass Flex.

Use this website to learn more, and get your
E-ZPass or E-ZPass Flex!

What this means for you

Through dynamic tolling that keeps traffic free-flowing, you can have a quicker and more predictable trip on I-66 Inside the Beltway.

If you are a solo driver, you can now use the lanes by paying a toll with an E-ZPass. If you have three or more people in your vehicle, you can continue to use the lanes free, but must have an E-ZPass Flex in the HOV mode.

Use this website to find out when these new rules apply.

Get your E-ZPass

If you travel on I-66 Inside the Beltway when tolling is in effect Monday through Friday, 5:30-9:30 a.m. eastbound, and 3 -7 p.m. westbound, you need to have an E-ZPass funded and properly mounted in your vehicle. If you are traveling with two or more people in your vehicle, you will need an E-ZPass Flex switched to HOV mode to travel free.

Visit to get your E-ZPass or E-ZPass Flex.