Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Northbound north of Willow Rd (Menlo Park). Lane affected. Expect delays.

A injury accident was reported on US-101 N near San Mateo on September 17, 2026 at 6:49 AM.

Road

US-101 N

Area

San Mateo

Address

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Started

Sep 16, 11:49 PM

Last Updated

1 month, 1 week ago

Sep 17, 12:00 AM

Resolved

Sep 17, 6:00 AM

Coordinates

37.4708, -122.1583

Update History

1 observations

CHP : Traffic Hazard on US-101 Northbound north of Willow Rd (Menlo Park). Lane affected. Expect delays. Sep 17, 12:00 AM

Source: 511_sfbay · ID 511.org/1550689 First seen Sep 17, 2026 12:00 AM