Accident High Severity Active

CHP : Traffic Collision on I-80 Westbound exiting at 4TH St (San Francisco). Off Ramp affected. Expect delays.

A high-severity accident was reported on I-80 W near San Francisco on August 21, 2026 at 1:00 PM.

Road

I-80 W

Area

San Francisco

Address

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Started

Aug 21, 6:00 AM

Last Updated

3 minutes ago

Aug 21, 6:45 AM

Coordinates

37.7817, -122.3973

Update History

2 observations

CHP : Traffic Collision on I-80 Westbound exiting at 4TH St (San Francisco). Off Ramp affected. Expect delays. Aug 21, 6:45 AM

CHP : Traffic Collision on I-80 Westbound exiting at 4TH St (San Francisco). Off Ramp affected. Expect delays. Aug 21, 6:15 AM

Source: 511_sfbay · ID 511.org/1538728 First seen Aug 21, 2026 6:15 AM