Accident Moderate Severity Resolved

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

A injury accident was reported on US-101 S near San Mateo on April 29, 2026 at 2:13 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Apr 29, 7:13 AM

Last Updated

5 months, 4 weeks ago

Apr 29, 7:30 AM

Resolved

Apr 29, 1:30 PM

Coordinates

37.5795, -122.3235

Update History

2 observations

CHP : Traffic Hazard on US-101 Southbound north of E Poplar Ave (San Mateo). Center lanes affected. Expect delays. Apr 29, 7:30 AM

CHP : Disabled vehicle on US-101 Southbound north of E Poplar Ave (San Mateo). 2nd lane from the left affected. Expect delays. Apr 29, 7:15 AM

Source: 511_sfbay · ID 511.org/1487592 First seen Apr 29, 2026 7:15 AM