Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries on US-101 Northbound south of E Hillsdale Blvd (San Mateo). Left shoulder affected. Expect delays.

A injury accident was reported on US-101 N near San Mateo on October 18, 2026 at 6:59 AM.

Road

US-101 N

Area

San Mateo

Address

Loading…

Started

Oct 17, 11:59 PM

Last Updated

1 week, 3 days ago

Oct 18, 1:30 AM

Resolved

Oct 18, 7:30 AM

Coordinates

37.5416, -122.2851

Update History

1 observations

CHP : Traffic Collision with Injuries on US-101 Northbound south of E Hillsdale Blvd (San Mateo). Left shoulder affected. Expect delays. Oct 18, 12:15 AM

Source: 511_sfbay · ID 511.org/1565309 First seen Oct 18, 2026 12:15 AM

← All California Incidents More in San Mateo More on US-101 N