Accident Moderate Severity Stale

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

A injury accident was reported on US-101 N near San Mateo on August 29, 2026 at 12:32 AM.

Road

US-101 N

Area

San Mateo

Address

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Started

Aug 28, 5:32 PM

Last Updated

1 hour, 8 minutes ago

Aug 28, 6:00 PM

Coordinates

37.4818, -122.1771

Update History

2 observations

CHP : Traffic Collision on US-101 Northbound south of Marsh Rd (Menlo Park). Right lane blocked. Expect delays. Aug 28, 5:45 PM

CHP : Traffic Collision on US-101 Northbound south of Marsh Rd (Menlo Park). Lane blocked. Expect delays. Aug 28, 5:15 PM

Source: 511_sfbay · ID 511.org/1542249 First seen Aug 28, 2026 5:15 PM