Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Southbound north of S Main St (Walnut Creek). Right lane affected. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on August 16, 2026 at 8:35 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Aug 16, 1:35 PM

Last Updated

1 day, 13 hours ago

Aug 16, 1:45 PM

Resolved

Aug 16, 8:00 PM

Coordinates

37.8896, -122.0585

Update History

1 observations

CHP : Traffic Hazard on I-680 Southbound north of S Main St (Walnut Creek). Right lane affected. Expect delays. Aug 16, 1:45 PM

Source: 511_sfbay · ID 511.org/1536392 First seen Aug 16, 2026 1:45 PM