Accident High Severity Resolved

CHP : Traffic Hazard on US-101 Southbound entering at S Airport Blvd (South San Francisco). On Ramp blocked. Expect delays.

A high-severity accident was reported on US-101 S near San Mateo on September 24, 2026 at 10:48 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Sep 24, 3:48 PM

Last Updated

1 month ago

Sep 24, 4:00 PM

Resolved

Sep 24, 10:00 PM

Coordinates

37.6318, -122.4030

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound entering at S Airport Blvd (South San Francisco). On Ramp blocked. Expect delays. Sep 24, 4:00 PM

Source: 511_sfbay · ID 511.org/1554284 First seen Sep 24, 2026 4:00 PM