Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Northbound north of E 3RD Ave (San Mateo). Lane affected. Expect delays.

A injury accident was reported on US-101 N near San Mateo on May 9, 2026 at 3:42 AM.

Road

US-101 N

Area

San Mateo

Address

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Started

May 8, 8:42 PM

Last Updated

5 months, 2 weeks ago

May 8, 8:45 PM

Resolved

May 9, 3:00 AM

Coordinates

37.5680, -122.3107

Update History

1 observations

CHP : Traffic Hazard on US-101 Northbound north of E 3RD Ave (San Mateo). Lane affected. Expect delays. May 8, 8:45 PM

Source: 511_sfbay · ID 511.org/1492092 First seen May 8, 2026 8:45 PM