The Clean Air Vehicle decal program ends September 30, 2025. More information is available on the Air Resources Board website.
Carpool and Clean Air Vehicle Discounts on Bay Area Express Lanes
Watch a short video to find out how to get discounted tolls by carpooling or driving a Clean Air Vehicle on Bay Area Express Lanes with the right kind of FasTrak tag.
Discount Information
Carpool and Vanpool Discounts
Carpools and vanpools must have a FasTrak Flex toll tag set to the number of people in the car to get toll discounts on express lanes. Learn more about FasTrak Flex.
- 3 or more person carpools and motorcycles travel toll-free on all Bay Area Express Lanes
- 2-person carpools* travel toll-free on the I-580 and I-680 express lanes and pay half-price tolls on the I-80, I-880, US-101 and SR-237 express lanes.
*2-person carpools in 2-seater vehicles travel toll-free on all Bay Area Express Lanes.
Income-Based Discounts & Benefits
Eligible drivers can pay half-price tolls on the I-880 Express Lanes or receive transportation benefits in San Mateo County. Visit the links below to learn if you qualify.
Clean Air Vehicle Discounts
The Clean Air Vehicle (CAV) discount expires September 30, 2025. Until then, eligible CAVs must have a FasTrak CAV toll tag set to the number of people in the car to get toll discounts on express lanes. Learn more about CAV toll tags
Carpool and Clean Air Vehicle Rules by Express Lane Facility
See the Carpool and Clean Air Vehicle discounts by express lane facility.