Accident Moderate Severity Resolved

CHP : Traffic Collision on US-101 Southbound at E Poplar Ave (San Mateo). Left and center lanes blocked. Expect delays.

A injury accident was reported on US-101 S near San Mateo on April 8, 2026 at 2:51 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Apr 8, 7:51 AM

Last Updated

6 months, 2 weeks ago

Apr 8, 9:45 AM

Resolved

Apr 8, 4:00 PM

Coordinates

37.5808, -122.3247

Update History

4 observations

CHP : Traffic Collision on US-101 Southbound at E Poplar Ave (San Mateo). Left and center lanes blocked. Expect delays. Apr 8, 9:15 AM

CHP : Traffic Collision on US-101 Southbound at E Poplar Ave (San Mateo). Left and center lanes blocked. Expect delays. Apr 8, 9:00 AM

CHP : Traffic Collision on US-101 Southbound at E Poplar Ave (San Mateo). Left and center lanes blocked. Expect delays. Apr 8, 8:15 AM

CHP : Traffic Collision on US-101 Southbound north of E 3RD Ave (San Mateo). Left and center lanes blocked. Expect delays. Apr 8, 8:00 AM

Source: 511_sfbay · ID 511.org/1478393 First seen Apr 8, 2026 8:00 AM