Accident Moderate Severity Resolved

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

A injury accident was reported on US-101 S near San Mateo on October 31, 2026 at 11:30 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Oct 31, 4:30 PM

Last Updated

9 hours ago

Oct 31, 5:00 PM

Resolved

Oct 31, 11:00 PM

Coordinates

37.6048, -122.3840

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of E Millbrae Ave (Millbrae). Lanes affected. Expect delays. Oct 31, 4:45 PM

Source: 511_sfbay · ID 511.org/1571326 First seen Oct 31, 2026 4:45 PM