Accident Moderate Severity Resolved

CHP : Traffic Collision on US-101 Southbound at Holly St (San Carlos). Right shoulder affected. Expect delays.

A injury accident was reported on US-101 S near San Mateo on September 17, 2026 at 5:15 AM.

Road

US-101 S

Area

San Mateo

Address

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Started

Sep 16, 10:15 PM

Last Updated

1 month, 1 week ago

Sep 16, 10:30 PM

Resolved

Sep 17, 4:30 AM

Coordinates

37.5171, -122.2599

Update History

2 observations

CHP : Traffic Collision on US-101 Southbound at Holly St (San Carlos). Right shoulder affected. Expect delays. Sep 16, 10:30 PM

CHP : Traffic Collision on US-101 Southbound at Holly St (San Carlos). Right shoulder affected. Expect delays. Sep 16, 10:00 PM

Source: 511_sfbay · ID 511.org/1550625 First seen Sep 16, 2026 10:00 PM