Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Southbound north of Olympic Blvd (Walnut Creek). Lane affected. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on August 8, 2026 at 3:42 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Aug 7, 8:42 PM

Last Updated

14 hours, 14 minutes ago

Aug 7, 9:00 PM

Resolved

Aug 8, 3:00 AM

Coordinates

37.8938, -122.0668

Update History

1 observations

CHP : Traffic Hazard on I-680 Southbound north of Olympic Blvd (Walnut Creek). Lane affected. Expect delays. Aug 7, 9:00 PM

Source: 511_sfbay · ID 511.org/1532665 First seen Aug 7, 2026 9:00 PM