Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Southbound north of Olympic Blvd (Walnut Creek). 3rd lane from the left affected. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on July 28, 2026 at 3:58 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Jul 28, 8:58 AM

Last Updated

1 day, 16 hours ago

Jul 28, 9:15 AM

Resolved

Jul 28, 3:15 PM

Coordinates

37.8928, -122.0649

Update History

1 observations

CHP : Traffic Hazard on I-680 Southbound north of Olympic Blvd (Walnut Creek). 3rd lane from the left affected. Expect delays. Jul 28, 9:15 AM

Source: 511_sfbay · ID 511.org/1527332 First seen Jul 28, 2026 9:15 AM