07/16/2026 | Press release | Distributed by Public on 07/16/2026 15:21
San Mateo County ― Caltrans is working on installing traffic signals and lighting on the ramps located on U.S. 101 at East Hillsdale Blvd. in San Mateo starting on Monday, July 20th. To facilitate this work, crews will close the northbound U.S 101 at E. Hillsdale Blvd. off-ramp.
To ensure the safety of the crews and traveling public, the ramp closure will begin on Monday night starting at 10:00 P.M. until 7:00 A.M., the following morning.
Drivers should follow posted detour signs and allow extra time.
This work is part of the $45M U.S. 101- SR-92 Short-term Improvements Project that is co-sponsored by the San Mateo County Transportation Authority and City/County Association of Governments. The project will bring operational improvements, enhancement to local access, and promotion of economic vitality to the region.
All work is weather dependent. Please drive with caution. Thank you for your patience as we work to maintain our state's highways, bridges, and tunnels.
For real-time traffic, click on Caltrans QuickMap: http://quickmap.dot.ca.gov/