Accident Moderate Severity Resolved

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

A injury accident was reported on I-680 N near Contra Costa on May 15, 2026 at 2:39 AM.

Road

I-680 N

Area

Contra Costa

Address

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Started

May 14, 7:39 PM

Last Updated

5 months, 1 week ago

May 14, 7:45 PM

Resolved

May 15, 2:00 AM

Coordinates

37.9228, -122.0611

Update History

1 observations

CHP : Traffic Hazard on I-680 Northbound exiting at Treat Blvd (Walnut Creek). Left lane affected. Expect delays. May 14, 7:45 PM

Source: 511_sfbay · ID 511.org/1494637 First seen May 14, 2026 7:45 PM