Accident Moderate Severity Resolved

CHP : Traffic Collision on I-680 Southbound north of S Main St (Walnut Creek). 3rd lane from the left blocked. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on September 1, 2026 at 10:28 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Sep 1, 3:28 PM

Last Updated

1 month, 3 weeks ago

Sep 1, 3:45 PM

Resolved

Sep 1, 9:45 PM

Coordinates

37.8896, -122.0585

Update History

1 observations

CHP : Traffic Collision on I-680 Southbound north of S Main St (Walnut Creek). 3rd lane from the left blocked. Expect delays. Sep 1, 3:45 PM

Source: 511_sfbay · ID 511.org/1543819 First seen Sep 1, 2026 3:45 PM