03/19/2026 | Press release | Distributed by Public on 03/19/2026 18:56
San Mateo County ― Caltrans has scheduled concrete placement work in San Mateo at the U.S. 101 / State Route (SR) 92 interchange to finalize the construction of the bridge deck, the structural surface that supports traffic.
The westbound SR-92 off-ramp to southbound U.S. 101 will be closed overnight on Thursday, March 26 from 9 p.m. to 5 a.m.
Detour: Take the loop off-ramp to Delaware St, turn right on Concar, turn right onto South Delaware, merge onto eastbound SR-92 and access the off-ramp to southbound U.S. 101.
In addition, the southbound U.S. 101 to Fashion Island Blvd. off-ramp will be closed overnight starting Thursday, March 26 at 11 p.m. and will open on Friday, March 27 at 7 a.m.
Detour: Take westbound SR-92, exit at Delaware, turn right on Concar, right on Grant, left at 19th, and continue onto Fashion Island Blvd.
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/