Accident High Severity Resolved

CHP : Traffic Collision on I-280 Southbound at Alemany Blvd (San Francisco). Off Ramp blocked. Expect delays.

A high-severity accident was reported on I-280 S near San Francisco on November 1, 2026 at 12:54 AM.

Road

I-280 S

Area

San Francisco

Address

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Started

Oct 31, 5:54 PM

Last Updated

8 hours ago

Oct 31, 6:00 PM

Resolved

Nov 1, 12:15 AM

Coordinates

37.7323, -122.4149

Update History

1 observations

CHP : Traffic Collision on I-280 Southbound at Alemany Blvd (San Francisco). Off Ramp blocked. Expect delays. Oct 31, 6:00 PM

Source: 511_sfbay · ID 511.org/1571350 First seen Oct 31, 2026 6:00 PM