Accident Moderate Severity Resolved

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

A injury accident was reported on US-101 S near San Mateo on August 27, 2026 at 2:00 AM.

Road

US-101 S

Area

San Mateo

Address

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Started

Aug 26, 7:00 PM

Last Updated

1 day, 2 hours ago

Aug 26, 7:30 PM

Resolved

Aug 27, 1:30 AM

Coordinates

37.5812, -122.3254

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of E Poplar Ave (San Mateo). Lane affected. Expect delays. Aug 26, 7:15 PM

Source: 511_sfbay · ID 511.org/1541283 First seen Aug 26, 2026 7:15 PM