Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Northbound south of Ralston Ave (Belmont). Right and center lanes affected. Expect delays.

A injury accident was reported on US-101 N near San Mateo on October 23, 2026 at 9:48 PM.

Road

US-101 N

Area

San Mateo

Address

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Started

Oct 23, 2:48 PM

Last Updated

4 days, 15 hours ago

Oct 23, 3:00 PM

Resolved

Oct 23, 9:00 PM

Coordinates

37.5243, -122.2677

Update History

1 observations

CHP : Traffic Hazard on US-101 Northbound south of Ralston Ave (Belmont). Right and center lanes affected. Expect delays. Oct 23, 3:00 PM

Source: 511_sfbay · ID 511.org/1567705 First seen Oct 23, 2026 3:00 PM