Accident High Severity Resolved

CHP : Traffic Hazard on US-101 Northbound entering at Holly St (San Carlos). On Ramp blocked. Expect delays.

A high-severity accident was reported on US-101 N near San Mateo on October 1, 2026 at 3:05 AM.

Road

US-101 N

Area

San Mateo

Address

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Started

Sep 30, 8:05 PM

Last Updated

3 weeks, 5 days ago

Sep 30, 8:30 PM

Resolved

Oct 1, 2:45 AM

Coordinates

37.5182, -122.2608

Update History

1 observations

CHP : Traffic Hazard on US-101 Northbound entering at Holly St (San Carlos). On Ramp blocked. Expect delays. Sep 30, 8:15 PM

Source: 511_sfbay · ID 511.org/1557220 First seen Sep 30, 2026 8:15 PM