Accident Moderate Severity Resolved

CHP : Traffic Collision on US-101 Northbound south of Marsh Rd (Menlo Park). Lane affected. Expect delays.

A injury accident was reported on US-101 N near San Mateo on September 29, 2026 at 1:36 AM.

Road

US-101 N

Area

San Mateo

Address

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Started

Sep 28, 6:36 PM

Last Updated

4 weeks, 1 day ago

Sep 28, 6:45 PM

Resolved

Sep 29, 1:00 AM

Coordinates

37.4799, -122.1738

Update History

1 observations

CHP : Traffic Collision on US-101 Northbound south of Marsh Rd (Menlo Park). Lane affected. Expect delays. Sep 28, 6:45 PM

Source: 511_sfbay · ID 511.org/1556069 First seen Sep 28, 2026 6:45 PM