Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries on US-101 Southbound north of Marsh Rd (Menlo Park). Left lanes blocked. Expect delays.

A injury accident was reported on US-101 S near San Mateo on October 26, 2026 at 4:12 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Oct 26, 9:12 AM

Last Updated

19 hours, 26 minutes ago

Oct 26, 9:15 AM

Resolved

Oct 26, 3:15 PM

Coordinates

37.4844, -122.1843

Update History

1 observations

CHP : Traffic Collision with Injuries on US-101 Southbound north of Marsh Rd (Menlo Park). Left lanes blocked. Expect delays. Oct 26, 9:15 AM

Source: 511_sfbay · ID 511.org/1568675 First seen Oct 26, 2026 9:15 AM