Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Northbound south of E Hillsdale Blvd (San Mateo). Lane affected. Expect delays.

A injury accident was reported on US-101 N near San Mateo on October 19, 2026 at 2:23 AM.

Road

US-101 N

Area

San Mateo

Address

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Started

Oct 18, 7:23 PM

Last Updated

1 week, 2 days ago

Oct 18, 7:30 PM

Resolved

Oct 19, 1:30 AM

Coordinates

37.5416, -122.2851

Update History

1 observations

CHP : Traffic Hazard on US-101 Northbound south of E Hillsdale Blvd (San Mateo). Lane affected. Expect delays. Oct 18, 7:30 PM

Source: 511_sfbay · ID 511.org/1565548 First seen Oct 18, 2026 7:30 PM