Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Southbound north of Olympic Blvd (Walnut Creek). 4th lane from the left affected. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on April 17, 2026 at 10:32 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Apr 17, 3:32 PM

Last Updated

6 months, 1 week ago

Apr 17, 4:15 PM

Resolved

Apr 17, 10:30 PM

Coordinates

37.8977, -122.0713

Update History

2 observations

CHP : Traffic Hazard on I-680 Southbound north of Olympic Blvd (Walnut Creek). 4th lane from the left affected. Expect delays. Apr 17, 4:15 PM

CHP : Traffic Hazard on I-680 Southbound north of Olympic Blvd (Walnut Creek). 4th lane from the left affected. Expect delays. Apr 17, 4:00 PM

Source: 511_sfbay · ID 511.org/1482780 First seen Apr 17, 2026 4:00 PM