Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Southbound north of I-380 W (South San Francisco). Left lane blocked. Expect delays.

A injury accident was reported on US-101 S near San Mateo on September 24, 2026 at 9:41 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Sep 24, 2:41 PM

Last Updated

1 month ago

Sep 24, 3:30 PM

Resolved

Sep 24, 9:30 PM

Coordinates

37.6381, -122.4049

Update History

2 observations

CHP : Traffic Hazard on US-101 Southbound north of I-380 W (South San Francisco). Left lane blocked. Expect delays. Sep 24, 3:15 PM

CHP : Traffic Hazard on US-101 Southbound north of I-380 W (South San Francisco). Left lane blocked. Expect delays. Sep 24, 3:00 PM

Source: 511_sfbay · ID 511.org/1554256 First seen Sep 24, 2026 3:00 PM