Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Northbound south of S Airport Blvd (South San Francisco). Lane affected. Expect delays.

A injury accident was reported on US-101 N near San Mateo on August 21, 2026 at 4:30 PM.

Road

US-101 N

Area

San Mateo

Address

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Started

Aug 21, 9:30 AM

Last Updated

2 months, 1 week ago

Aug 21, 10:45 AM

Resolved

Aug 21, 5:00 PM

Coordinates

37.6431, -122.4060

Update History

3 observations

CHP : Traffic Hazard on US-101 Northbound south of S Airport Blvd (South San Francisco). Lane affected. Expect delays. Aug 21, 10:45 AM

CHP : Traffic Hazard on US-101 Northbound south of S Airport Blvd (South San Francisco). Lane affected. Expect delays. Aug 21, 10:15 AM

CHP : Traffic Hazard on US-101 Northbound south of S Airport Blvd (South San Francisco). Lane affected. Expect delays. Aug 21, 9:45 AM

Source: 511_sfbay · ID 511.org/1538823 First seen Aug 21, 2026 9:45 AM