Accident High Severity Resolved

CHP : Traffic Hazard on I-280 Southbound ramp to CA-1 S (Daly City). Connector ramp blocked. Expect delays.

A high-severity accident was reported on I-280 S near San Mateo on September 29, 2026 at 12:18 AM.

Road

I-280 S

Area

San Mateo

Address

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Started

Sep 28, 5:18 PM

Last Updated

4 weeks ago

Sep 28, 5:30 PM

Resolved

Sep 28, 11:30 PM

Coordinates

37.7040, -122.4721

Update History

1 observations

CHP : Traffic Hazard on I-280 Southbound ramp to CA-1 S (Daly City). Connector ramp blocked. Expect delays. Sep 28, 5:30 PM

Source: 511_sfbay · ID 511.org/1556030 First seen Sep 28, 2026 5:30 PM