Highway 84 Woodside, CA Emergency Storm Damage Repair Fact Sheet

Project Summary

Repair of Highway 84 at Post Mile 17.9 due to a landslide that has closed the two-lane highway between Foxhill Road and Portola Road. The slide resulted in approximately 250 feet of roadway failing on 09 March 2023. The road was closed on 11 March 2023.


Work Description

Clearing the site of compromised trees for worker safety and to access the site. Perform geotechnical borings to determine the location of the slip plane and repair method. Repair slope and construct retaining structure. Reconstruct the roadway structural section. Repair drainage system(s). Erosion control.

Driver Benefits

Restoration of roadway section for the traveling public. Restoration of drainage systems to carry water off the roadway.

Roadway Closure

The roadway is currently closed to the traveling public in both directions as the roadway is severely damaged and unsafe for travel.

Picture of landslide damage to State Route 84 in San Mateo county. Picture taken March 22,2023

Project Website
https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/d4-san-mateo-84-storm-damage

Caltrans Quickmap
http://quickmap.dot.ca.gov

Facebook
Facebook.com/CaltransD4

Twitter
twitter.com/caltransD4

YouTube
Youtube.com/@CaltransD4

511.org

http: //511.org

For individuals with sensory disabilities, this document is available in alternative formats.
Call (510) 286-4444 (voice) or 711 (TTY) or write: Caltrans D4 111 Grand Ave. Oakland, CA 94612

Map showing the location of the mudslide on State Route 84 near Woodside in San Mateo county.

At A Glance

PROJECT COMPLETION
Preliminary estimate - TBD

PROJECT LIMITS
Rte 84 between Foxhill Road and Portola Road.

KEY DATES
Road Closed – March 11, 2023

Project Contact

Caltrans Public Information Officer
Alejandro Lopez
Desk: 510-385-6856
alejandro.lopez@dot.ca.gov