Accident High Severity Resolved

CHP : Traffic Collision on I-280 Northbound north of I-280 N-CA-1 N Split (Daly City). On Ramp affected. Expect delays.

A high-severity accident was reported on I-280 N near San Mateo on May 23, 2026 at 6:32 PM.

Road

I-280 N

Area

San Mateo

Address

Loading…

Started

May 23, 11:32 AM

Last Updated

22 hours, 3 minutes ago

May 23, 12:00 PM

Resolved

May 23, 6:15 PM

Coordinates

37.7004, -122.4713

Update History

1 observations

CHP : Traffic Collision on I-280 Northbound north of I-280 N-CA-1 N Split (Daly City). On Ramp affected. Expect delays. May 23, 11:45 AM

Source: 511_sfbay · ID 511.org/1498637 First seen May 23, 2026 11:45 AM