Accident Moderate Severity Stale

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

A injury accident was reported on US-101 S near San Mateo on August 25, 2026 at 12:27 AM.

Road

US-101 S

Area

San Mateo

Address

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Started

Aug 24, 5:27 PM

Last Updated

1 hour, 39 minutes ago

Aug 24, 5:30 PM

Coordinates

37.4844, -122.1843

Update History

1 observations

CHP : Traffic Collision on US-101 Southbound north of Marsh Rd (Menlo Park). Lane affected. Expect delays. Aug 24, 5:30 PM

Source: 511_sfbay · ID 511.org/1540196 First seen Aug 24, 2026 5:30 PM