Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Southbound south of S Main St (Walnut Creek). Lanes blocked. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on August 27, 2026 at 12:56 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Aug 26, 5:56 PM

Last Updated

2 months ago

Aug 26, 6:00 PM

Resolved

Aug 27, 12:15 AM

Coordinates

37.8845, -122.0542

Update History

1 observations

CHP : Traffic Hazard on I-680 Southbound south of S Main St (Walnut Creek). Lanes blocked. Expect delays. Aug 26, 6:00 PM

Source: 511_sfbay · ID 511.org/1541249 First seen Aug 26, 2026 6:00 PM