Accident High Severity Resolved

CHP : Traffic Collision with Injuries on I-280 Northbound ramp to CA-84 E (Woodside). Connector ramp blocked. Expect delays.

A high-severity accident was reported on I-280 N near San Mateo on June 20, 2026 at 12:31 AM.

Road

I-280 N

Area

San Mateo

Address

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Started

Jun 19, 5:31 PM

Last Updated

6 hours, 52 minutes ago

Jun 19, 5:45 PM

Resolved

Jun 20, 12:00 AM

Coordinates

37.4329, -122.2398

Update History

1 observations

CHP : Traffic Collision with Injuries on I-280 Northbound ramp to CA-84 E (Woodside). Connector ramp blocked. Expect delays. Jun 19, 5:45 PM

Source: 511_sfbay · ID 511.org/1510677 First seen Jun 19, 2026 5:45 PM