Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-280 Southbound north of Alpine Rd (Menlo Park). Lane affected. Expect delays.

A injury accident was reported on I-280 S near San Mateo on June 21, 2026 at 3:56 PM.

Road

I-280 S

Area

San Mateo

Address

Loading…

Started

Jun 21, 8:56 AM

Last Updated

4 months ago

Jun 21, 9:00 AM

Resolved

Jun 21, 3:00 PM

Coordinates

37.4105, -122.1993

Update History

1 observations

CHP : Traffic Hazard on I-280 Southbound north of Alpine Rd (Menlo Park). Lane affected. Expect delays. Jun 21, 9:00 AM

Source: 511_sfbay · ID 511.org/1511196 First seen Jun 21, 2026 9:00 AM