Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Northbound at Treat Blvd (Walnut Creek). Right lanes affected. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on July 22, 2026 at 1:23 AM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Jul 21, 6:23 PM

Last Updated

6 days, 21 hours ago

Jul 21, 6:45 PM

Resolved

Jul 22, 12:45 AM

Coordinates

37.9247, -122.0607

Update History

1 observations

CHP : Traffic Hazard on I-680 Northbound at Treat Blvd (Walnut Creek). Right lanes affected. Expect delays. Jul 21, 6:45 PM

Source: 511_sfbay · ID 511.org/1524279 First seen Jul 21, 2026 6:45 PM