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SR-237 Express Lanes

The SR-237 Express Lanes are designated lanes that can be used during heavy traffic to bypass congestion. Express lanes are usually located on the far-left side of select major freeway corridors (described below) and are indicated with white descriptive text on the pavement and electronic signage above the roadway.


Westbound and eastbound between Dixon Landing Road (I-880) and North Matilda Avenue (SR-237).


FREE for carpools and motorcycles with FasTrak Flex toll tag. For all other vehicles, prices adjust dynamically depending on real-time traffic levels. Eligible clean air vehicles (CAVs) receive a 50% discount with the use of a FasTrak CAV toll tag.

Hours of Operation

Monday through Friday from 5:00 am to 8:00 pm, west- and eastbound

Method of Payment

Carpools and motorcycles may travel toll free with the use of a FasTrak Flex toll tag. Always set the switch to match the number of occupants in the vehicle. Motorcycles should use position 3+. Solo drivers may use a Standard toll tag or a FasTrak Flex toll tag set to position 1. Learn more about how the FasTrak Flex toll tag works.

CAVs may use a FasTrak CAV toll tag to receive a 50% discount on the posted rate. Set the switch to match the number of people in the vehicle.

VTA information page(opens in a new window)

Using Express Lanes

Please use the following tips to avoid common pitfalls when traveling in Bay Area express lanes:

You can only enter and exit express lanes at dashed or broken lines on the roadway or at fixed entry and exit points.

Express Lane Diagram 1

Some highway exits may not be available when driving in an express lane. Check roadside signs for details.

Express Lane Diagram 3

Example: On westbound I-580, you must leave the express lane before Hacienda if you want to exit at Dougherty or to access I-680. On eastbound I-580, do not enter the express lane if you need to exit at Santa Rita or Fallon/El Charro.

Do not cross the double white lines to enter or leave an express lane. Crossing them is a traffic violation.

Express Lane Diagram 2

Helpful hint for solo drivers: Overhead signs will display two toll rates: one for traveling through to the next zone and one to travel through until the end of the express lane. If you exit the express lane at the final posted zone, you will be charged the toll that was displayed when you entered the express lane. If you exit the express lane before the final posted zone, you will be charged a lower price.

Express Zone Pricing