Accident High Severity Resolved

CHP : Severe traffic alert and Traffic Collision on I-280 Northbound north of CA-84 W (Woodside). Right lane blocked. Expect delays.

A high-severity accident was reported on I-280 N near San Mateo on August 28, 2026 at 12:53 AM.

Road

I-280 N

Area

San Mateo

Address

Loading…

Started

Aug 27, 5:53 PM

Last Updated

1 month, 4 weeks ago

Aug 27, 7:00 PM

Resolved

Aug 28, 1:15 AM

Coordinates

37.4399, -122.2485

Update History

5 observations

CHP : Severe traffic alert and Traffic Collision on I-280 Northbound north of CA-84 W (Woodside). Right lane blocked. Expect delays. Aug 27, 7:00 PM

CHP : Traffic Collision on I-280 Northbound north of CA-84 W (Woodside). Right lane blocked. Expect delays. Aug 27, 6:45 PM

CHP : Traffic Collision on I-280 Northbound south of Farm Hill Blvd (Woodside). Left lane blocked. Expect delays. Aug 27, 6:30 PM

CHP : Traffic Collision on I-280 Northbound south of Farm Hill Blvd (Woodside). Left lane blocked. Expect delays. Aug 27, 6:00 PM

CHP : Traffic Collision on I-280 Northbound south of Farm Hill Blvd (Woodside). Right lane blocked. Expect delays. Aug 27, 5:45 PM

Source: 511_sfbay · ID 511.org/1541818 First seen Aug 27, 2026 5:45 PM