Accident Resolved

CHP : Traffic Collision with Injuries on US-101 Northbound south of Ralston Ave (Belmont). Right lane open. Expect delays.

A accident was reported on US-101 N near San Mateo on September 27, 2026 at 9:05 AM.

Road

US-101 N

Area

San Mateo

Address

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Started

Sep 27, 2:05 AM

Last Updated

1 month ago

Sep 27, 2:15 AM

Resolved

Sep 27, 8:30 AM

Coordinates

37.5235, -122.2668

Update History

5 observations

CHP : Traffic Collision with Injuries on US-101 Northbound south of Ralston Ave (Belmont). Right lane open. Expect delays. Sep 27, 2:15 AM

CHP : Traffic Collision with Injuries on US-101 Northbound south of Ralston Ave (Belmont). Right lane open. Expect delays. Sep 27, 1:45 AM

CHP : Traffic Collision with Injuries on US-101 Northbound south of Ralston Ave (Belmont). Lanes open. Expect delays. Sep 27, 1:30 AM

CHP : Traffic Collision with Injuries on US-101 Northbound south of Ralston Ave (Belmont). Lane open. Expect delays. Sep 27, 1:00 AM

CHP : Traffic Collision with Injuries on US-101 Northbound south of Ralston Ave (Belmont). Left shoulder affected. Expect delays. Sep 27, 12:45 AM

Source: 511_sfbay · ID 511.org/1555421 First seen Sep 27, 2026 12:45 AM