Accident Moderate Severity Stale

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

A injury accident was reported on I-680 N near Contra Costa on May 29, 2026 at 3:27 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

May 29, 8:27 AM

Last Updated

45 minutes ago

May 29, 9:00 AM

Coordinates

37.9220, -122.0614

Update History

1 observations

CHP : Traffic Hazard on I-680 Northbound north of Treat Blvd (Walnut Creek). Lane affected. Expect delays. May 29, 8:30 AM

Source: 511_sfbay · ID 511.org/1500940 First seen May 29, 2026 8:30 AM