Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Southbound north of E Millbrae Ave (Millbrae). Lane affected. Expect delays.

A injury accident was reported on US-101 S near San Mateo on October 22, 2026 at 2:59 AM.

Road

US-101 S

Area

San Mateo

Address

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Started

Oct 21, 7:59 PM

Last Updated

2 weeks ago

Oct 21, 8:00 PM

Resolved

Oct 22, 2:00 AM

Coordinates

37.6048, -122.3840

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of E Millbrae Ave (Millbrae). Lane affected. Expect delays. Oct 21, 8:00 PM

Source: 511_sfbay · ID 511.org/1566906 First seen Oct 21, 2026 8:00 PM