Accident Moderate Severity Resolved

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

A injury accident was reported on US-101 N near San Mateo on April 20, 2026 at 3:06 AM.

Road

US-101 N

Area

San Mateo

Address

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Started

Apr 19, 8:06 PM

Last Updated

6 months, 1 week ago

Apr 19, 8:15 PM

Resolved

Apr 20, 2:30 AM

Coordinates

37.5416, -122.2851

Update History

1 observations

CHP : Traffic Collision on US-101 Northbound south of E Hillsdale Blvd (San Mateo). Right shoulder affected. Expect delays. Apr 19, 8:15 PM

Source: 511_sfbay · ID 511.org/1483483 First seen Apr 19, 2026 8:15 PM