Accident High Severity Active

CHP : Traffic Collision on I-280 Southbound at US-101 S (san Francisco) (San Francisco). On Ramp blocked. Expect delays.

A high-severity accident was reported on I-280 S near San Francisco on November 1, 2026 at 12:35 PM.

Road

I-280 S

Area

San Francisco

Address

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Started

Nov 1, 4:35 AM

Last Updated

14 minutes ago

Nov 1, 4:45 AM

Coordinates

37.7339, -122.4114

Update History

3 observations

CHP : Traffic Collision on I-280 Southbound at US-101 S (san Francisco) (San Francisco). On Ramp blocked. Expect delays. Nov 1, 4:45 AM

CHP : Traffic Collision on I-280 Southbound at US-101 S (san Francisco) (San Francisco). On Ramp blocked. Expect delays. Nov 1, 4:00 AM

CHP : Traffic Collision on I-280 Southbound at US-101 S (san Francisco) (San Francisco). Lane blocked. Expect delays. Nov 1, 3:45 AM

Source: 511_sfbay · ID 511.org/1571466 First seen Nov 1, 2026 3:45 AM