San Mateo US-101 Pavement Rehabilitation & Median Barrier Upgrade Project

Project Summary

This State Highway Operation and Protection Plan (SHOPP) project will rehabilitate pavement of the mainline and upgrade the concrete median barrier on US-101. This project is located in East Palo Alto, Menlo Park, and Redwood City, from Santa Clara/San Mateo County line to 0.1 mile south of Whipple Avenue. This project will extend the pavement service life and improve ride quality.

Work Description

This project proposes to rehabilitate the pavement from Santa Clara/San Mateo County line to 0.1 mile south of Whipple Avenue (Post Mile 0.0 to 6.5) on 101 throughout the NB and SB mainline. It will also upgrade the median barrier throughout the project limits, replace loop detectors throughout the mainline, update striping, install rumble strips & stripes, and install signs within the project limits.

Project Benefits

This project will preserve, repair, and extend the life of the existing pavement, improve ride quality, and optimize the performance of the transportation system for the movement of travelers and goods.

Summer Construction Schedule

Expect intermittent lane closures Monday-Friday from 9 p.m. to 5 a.m. from June through September 2025 in both the northbound and southbound directions.

Project Contact

Jeneane Crawford
Public Information Officer - Caltrans District 4
Cell: 510.390.3253
Email: Jeneane.Crawford@dot.ca.gov
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