The 101 Express Lanes between Interstate 380 (I-380) to SR-237 are under construction.
Existing carpool lanes are being converted to express lanes between SR-237 and Whipple Avenue and new express lanes will be constructed between Whipple Avenue and I-380 (red striped line on map below).
For more construction news, sign up for weekly or quarterly updates, email with the subject line 'Weekly' or 'Quarterly' to 101express@dot.ca.gov. Follow the project on Twitter @CaltransD4. Visit the project websites at 101express.com and Valley Transportation Authority.
UNDER CONSTRUCTION
Hours of operation: TBD
Carpool occupancy: 3 or more people
FasTrak:
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All drivers will need FasTrak to use the future express lanes
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Carpools, vanpools and motorcycles will need FasTrak Flex (set in the proper position) to use the future express lanes. Eligible Clean Air Vehicles will need a FasTrak CAV Tag (FasTrak.org).
Project construction began in February 2020 and is currently scheduled to last through mid-2022. Information about lane construction in San Mateo County can be found at 101express.com and in Santa Clara County at Valley Transportation Authority.
Contact
Press contact: Caltrans Public Information Officer Alejandro Lopez at (510) 286-4948
Lane operator: San Mateo Express Lane JPA and Valley Transportation Authority