Carpools in Bay Area Express Lanes

Carpools, vanpools and other toll-exempt vehicles
can use express lanes toll-free or for half-price tolls with FasTrak Flex.

Toll Policies and FasTrak Rules for Each Bay Area Express Lane

Express Lane

Toll Policy

FasTrak Rule

I-680 Contra Costa 

2+ Free

FasTrak Flex Required

I-580 

2+ Free

FasTrak Flex Required

SR-237 

3+ Free; 2-person Pay Half-Price Tolls

FasTrak Flex Required

I-880 

3+ Free; 2-person Pay Half-Price Tolls

FasTrak Flex Required

US-101

3+ Free; 2-person Pay Half-Price Tolls

FasTrak Flex Required

I-680 Sunol

2+ Free

N/A *

* From August 10, 2020 to early 2023 the I-680 southbound express lane from SR-84 to SR-237 is functioning as an HOV 2+ carpool lane only from 5 a.m. to 8 p.m. Only valid carpools and eligible clean air vehicles can use the lane. 

Carpools

Carpools must have a FasTrak Flex toll tag set in the '2' or '3+' position based on the number of people in the car to get their proper toll discounts on express lanes. Learn more about FasTrak Flex.

Find a carpool and earn carpool rewards!

Check out the Express Lane carpool/vanpool FAQs.

 

 

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