Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Northbound ramp to I-380 W (South San Francisco). Right lane blocked. Expect delays.

A injury accident was reported on US-101 N near San Mateo on June 15, 2026 at 11:26 PM.

Road

US-101 N

Area

San Mateo

Address

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Started

Jun 15, 4:26 PM

Last Updated

4 months, 1 week ago

Jun 15, 4:45 PM

Resolved

Jun 15, 10:45 PM

Coordinates

37.6344, -122.4050

Update History

2 observations

CHP : Traffic Hazard on US-101 Northbound ramp to I-380 W (South San Francisco). Right lane blocked. Expect delays. Jun 15, 4:45 PM

CHP : Traffic Hazard on US-101 Northbound ramp to I-380 W (South San Francisco). Right lane blocked. Expect delays. Jun 15, 4:30 PM

Source: 511_sfbay · ID 511.org/1508651 First seen Jun 15, 2026 4:30 PM