Accident Moderate Severity Resolved

CHP : Traffic Hazard 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 June 21, 2026 at 1:22 AM.

Road

US-101 N

Area

San Mateo

Address

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Started

Jun 20, 6:22 PM

Last Updated

4 months, 1 week ago

Jun 20, 6:30 PM

Resolved

Jun 21, 12:45 AM

Coordinates

37.4818, -122.1771

Update History

1 observations

CHP : Traffic Hazard on US-101 Northbound south of Marsh Rd (Menlo Park). Right lane blocked. Expect delays. Jun 20, 6:30 PM

Source: 511_sfbay · ID 511.org/1511071 First seen Jun 20, 2026 6:30 PM