Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-280 Northbound south of CA-92 W (San Mateo). Lanes blocked. Expect delays.

A injury accident was reported on I-280 N near San Mateo on May 20, 2026 at 11:37 PM.

Road

I-280 N

Area

San Mateo

Address

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Started

May 20, 4:37 PM

Last Updated

17 hours, 38 minutes ago

May 20, 5:30 PM

Resolved

May 20, 11:30 PM

Coordinates

37.5071, -122.3385

Update History

2 observations

CHP : Traffic Hazard on I-280 Northbound south of CA-92 W (San Mateo). Lanes blocked. Expect delays. May 20, 5:15 PM

CHP : Traffic Hazard on I-280 Northbound south of CA-92 W (San Mateo). Lane affected. Expect delays. May 20, 5:00 PM

Source: 511_sfbay · ID 511.org/1497371 First seen May 20, 2026 5:00 PM