Accident Moderate Severity Stale

CHP : Traffic Collision with Injuries on US-101 Southbound north of Grand Ave (South San Francisco). Lane blocked. Expect delays.

A injury accident was reported on US-101 S near San Mateo on April 23, 2026 at 12:29 AM.

Road

US-101 S

Area

San Mateo

Address

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Started

Apr 22, 5:29 PM

Last Updated

1 hour, 30 minutes ago

Apr 22, 5:30 PM

Coordinates

37.6586, -122.4054

Update History

1 observations

CHP : Traffic Collision with Injuries on US-101 Southbound north of Grand Ave (South San Francisco). Lane blocked. Expect delays. Apr 22, 5:30 PM

Source: 511_sfbay · ID 511.org/1484858 First seen Apr 22, 2026 5:30 PM