Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries on US-101 Southbound north of E 3RD Ave (San Mateo). Lane affected. Expect delays.

A injury accident was reported on US-101 S near San Mateo on August 23, 2026 at 1:03 AM.

Road

US-101 S

Area

San Mateo

Address

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Started

Aug 22, 6:03 PM

Last Updated

2 months ago

Aug 22, 6:15 PM

Resolved

Aug 23, 12:15 AM

Coordinates

37.5729, -122.3164

Update History

2 observations

CHP : Traffic Collision with Injuries on US-101 Southbound north of E 3RD Ave (San Mateo). Lane affected. Expect delays. Aug 22, 6:15 PM

CHP : Traffic Collision with Injuries on US-101 Southbound north of E 3RD Ave (San Mateo). Lane affected. Expect delays. Aug 22, 6:00 PM

Source: 511_sfbay · ID 511.org/1539455 First seen Aug 22, 2026 6:00 PM