Accident High Severity Resolved

CHP : Traffic Collision with Injuries on I-280 Northbound exiting at Alpine Rd (Menlo Park). Off Ramp affected. Expect delays.

A high-severity accident was reported on I-280 N near San Mateo on July 15, 2026 at 5:08 PM.

Road

I-280 N

Area

San Mateo

Address

Loading…

Started

Jul 15, 10:08 AM

Last Updated

1 week, 6 days ago

Jul 15, 11:00 AM

Resolved

Jul 15, 5:00 PM

Coordinates

37.4076, -122.1904

Update History

2 observations

CHP : Traffic Collision with Injuries on I-280 Northbound exiting at Alpine Rd (Menlo Park). Off Ramp affected. Expect delays. Jul 15, 11:00 AM

CHP : Traffic Collision with Injuries on I-280 Northbound ramp to Alpine Rd (Menlo Park). On Ramp affected. Expect delays. Jul 15, 10:15 AM

Source: 511_sfbay · ID 511.org/1521414 First seen Jul 15, 2026 10:15 AM