Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries on I-680 Southbound north of S Main St (Walnut Creek). Right shoulder affected. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on October 21, 2026 at 8:26 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Oct 21, 1:26 AM

Last Updated

6 days, 3 hours ago

Oct 21, 3:15 AM

Resolved

Oct 21, 9:30 AM

Coordinates

37.8896, -122.0585

Update History

2 observations

CHP : Traffic Collision with Injuries on I-680 Southbound north of S Main St (Walnut Creek). Right shoulder affected. Expect delays. Oct 21, 2:30 AM

CHP : Traffic Collision with Injuries on I-680 Southbound north of S Main St (Walnut Creek). Right shoulder affected. Expect delays. Oct 21, 1:15 AM

Source: 511_sfbay · ID 511.org/1566585 First seen Oct 21, 2026 1:15 AM