Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Northbound north of N Main St (Walnut Creek). Left lanes affected. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on August 21, 2026 at 5:31 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Aug 21, 10:31 AM

Last Updated

2 months ago

Aug 21, 10:45 AM

Resolved

Aug 21, 5:00 PM

Coordinates

37.9128, -122.0669

Update History

1 observations

CHP : Traffic Hazard on I-680 Northbound north of N Main St (Walnut Creek). Left lanes affected. Expect delays. Aug 21, 10:45 AM

Source: 511_sfbay · ID 511.org/1538839 First seen Aug 21, 2026 10:45 AM