Accident High Severity Resolved

CHP : Traffic Hazard on I-280 Southbound south of Mariposa St (San Francisco). Off Ramp blocked. Expect delays.

A high-severity accident was reported on I-280 S near San Francisco on May 2, 2026 at 6:53 PM.

Road

I-280 S

Area

San Francisco

Address

Loading…

Started

May 2, 11:53 AM

Last Updated

1 month, 1 week ago

May 2, 12:15 PM

Resolved

May 2, 6:15 PM

Coordinates

37.7639, -122.3931

Update History

1 observations

CHP : Traffic Hazard on I-280 Southbound south of Mariposa St (San Francisco). Off Ramp blocked. Expect delays. May 2, 12:00 PM

Source: 511_sfbay · ID 511.org/1489275 First seen May 2, 2026 12:00 PM