US-101 Express Lanes

The US-101 Express Lanes run between Whipple Avenue in Redwood City and SR-237 in Sunnyvale. Express lanes also run on SR-85 from US-101 to Grant Road southbound and from Moffett Blvd. to US-101 northbound.

For updates about the opening of the northern section of the US-101 Express Lanes between Whipple Avenue in Redwood City and I-380 in South San Francisco visit Caltrans' information page.


Hours of operation:

  • MON-FRI, 5:00 AM to 8:00 PM

Carpool occupancy: 3 or more people


  • Solo drivers must have a standard FasTrak or FasTrak Flex toll tag (set to '1') to pay tolls to use the lane.

  • Carpools, vanpools and motorcycles must have a FasTrak Flex toll tag (set in the proper position) to travel toll free or at a discount. Eligible Clean Air Vehicles must apply for a FasTrak CAV tag and set it to the proper position.

See "Am I Toll Exempt?"

Visit 511's Express Lanes FasTrak Overview Page or Visit

Lane Operator
Press Contact


FAQ - Carpools and Vanpools on Express Lanes

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