Accident High Severity Resolved

CHP : Traffic Collision with Injuries on US-101 Northbound at Willow Rd (Menlo Park). Off Ramp affected. Expect delays.

A high-severity accident was reported on US-101 N near San Mateo on June 22, 2026 at 5:03 AM.

Road

US-101 N

Area

San Mateo

Address

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Started

Jun 21, 10:03 PM

Last Updated

4 months ago

Jun 21, 11:00 PM

Resolved

Jun 22, 5:15 AM

Coordinates

37.4675, -122.1527

Update History

1 observations

CHP : Traffic Collision with Injuries on US-101 Northbound at Willow Rd (Menlo Park). Off Ramp affected. Expect delays. Jun 21, 10:15 PM

Source: 511_sfbay · ID 511.org/1511409 First seen Jun 21, 2026 10:15 PM