Accident Moderate Severity Stale

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

A injury accident was reported on US-101 S near San Mateo on August 13, 2026 at 6:18 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Aug 13, 11:18 AM

Last Updated

1 hour, 54 minutes ago

Aug 13, 11:30 AM

Coordinates

37.4705, -122.1581

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of Willow Rd (Menlo Park). Left lane affected. Expect delays. Aug 13, 11:30 AM

Source: 511_sfbay · ID 511.org/1535106 First seen Aug 13, 2026 11:30 AM