Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-280 Southbound at Mariposa St (San Francisco). Lane affected. Expect delays.

A injury accident was reported on I-280 S near San Francisco on October 4, 2026 at 8:15 PM.

Road

I-280 S

Area

San Francisco

Address

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Started

Oct 4, 1:15 PM

Last Updated

3 weeks, 2 days ago

Oct 4, 1:15 PM

Resolved

Oct 4, 7:30 PM

Coordinates

37.7614, -122.3926

Update History

1 observations

CHP : Traffic Hazard on I-280 Southbound at Mariposa St (San Francisco). Lane affected. Expect delays. Oct 4, 1:15 PM

Source: 511_sfbay · ID 511.org/1558886 First seen Oct 4, 2026 1:15 PM