Accident Moderate Severity Resolved

CHP : Traffic Collision 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 15, 2026 at 12:21 AM.

Road

US-101 N

Area

San Mateo

Address

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Started

Oct 14, 5:21 PM

Last Updated

1 week, 6 days ago

Oct 14, 6:45 PM

Resolved

Oct 15, 1:00 AM

Coordinates

37.5488, -122.2917

Update History

1 observations

CHP : Traffic Collision on US-101 Northbound south of E Hillsdale Blvd (San Mateo). Lane affected. Expect delays. Oct 14, 5:30 PM

Source: 511_sfbay · ID 511.org/1563805 First seen Oct 14, 2026 5:30 PM