Accident High Severity Resolved

CHP : Traffic Collision on I-280 Southbound exiting at Serramonte Blvd (Daly City). Off Ramp affected. Expect delays.

A high-severity accident was reported on I-280 S near San Mateo on July 9, 2026 at 3:54 PM.

Road

I-280 S

Area

San Mateo

Address

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Started

Jul 9, 8:54 AM

Last Updated

2 weeks, 4 days ago

Jul 9, 9:15 AM

Resolved

Jul 9, 3:30 PM

Coordinates

37.6734, -122.4682

Update History

2 observations

CHP : Traffic Collision on I-280 Southbound exiting at Serramonte Blvd (Daly City). Off Ramp affected. Expect delays. Jul 9, 9:15 AM

CHP : Traffic Collision on I-280 Southbound exiting at Serramonte Blvd (Daly City). Lane affected. Expect delays. Jul 9, 9:00 AM

Source: 511_sfbay · ID 511.org/1518697 First seen Jul 9, 2026 9:00 AM