Accident Moderate Severity Stale

CHP : Traffic Hazard on US-101 Southbound north of Lagoon Way (South San Francisco). Lane affected. Expect delays.

A injury accident was reported on US-101 S near San Mateo on August 17, 2026 at 2:34 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Aug 17, 7:34 AM

Last Updated

3 hours, 30 minutes ago

Aug 17, 7:45 AM

Coordinates

37.6934, -122.3917

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of Lagoon Way (South San Francisco). Lane affected. Expect delays. Aug 17, 7:45 AM

Source: 511_sfbay · ID 511.org/1536623 First seen Aug 17, 2026 7:45 AM