Accident Moderate Severity Resolved

CHP : Flooding on I-280 Southbound at Alemany Blvd (San Francisco). Lanes blocked. Expect delays.

A injury accident was reported on I-280 S near San Francisco on April 12, 2026 at 8:03 PM.

Road

I-280 S

Area

San Francisco

Address

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Started

Apr 12, 1:03 PM

Last Updated

6 months, 2 weeks ago

Apr 12, 8:15 PM

Resolved

Apr 13, 2:30 AM

Coordinates

37.7320, -122.4157

Update History

7 observations

CHP : Flooding on I-280 Southbound at Alemany Blvd (San Francisco). Lanes blocked. Expect delays. Apr 12, 8:15 PM

CHP : Flooding on I-280 Southbound at Alemany Blvd (San Francisco). Lanes blocked. Expect delays. Apr 12, 7:30 PM

CHP : Flooding on I-280 Southbound at Alemany Blvd (San Francisco). Lanes blocked. Expect delays. Apr 12, 6:15 PM

CHP : Flooding on I-280 Southbound at Alemany Blvd (San Francisco). Lanes blocked. Expect delays. Apr 12, 4:30 PM

CHP : Flooding on I-280 Southbound at Alemany Blvd (San Francisco). Lanes blocked. Expect delays. Apr 12, 3:45 PM

CHP : Flooding on I-280 Southbound at Alemany Blvd (San Francisco). Lanes blocked. Expect delays. Apr 12, 2:45 PM

CHP : Flooding on I-280 Southbound at Alemany Blvd (San Francisco). Lanes blocked. Expect delays. Apr 12, 1:30 PM

Source: 511_sfbay · ID 511.org/1480441 First seen Apr 12, 2026 1:30 PM