Accident Moderate Severity Stale

CHP : Traffic Hazard on US-101 Southbound north of Grand Ave (South San Francisco). Left lane affected. Expect delays.

A injury accident was reported on US-101 S near San Mateo on August 26, 2026 at 8:11 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Aug 26, 1:11 PM

Last Updated

1 hour, 15 minutes ago

Aug 26, 1:30 PM

Coordinates

37.6586, -122.4054

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of Grand Ave (South San Francisco). Left lane affected. Expect delays. Aug 26, 1:30 PM

Source: 511_sfbay · ID 511.org/1541112 First seen Aug 26, 2026 1:30 PM