Accident Moderate Severity Resolved

CHP : Traffic Collision on I-680 Southbound north of Stone Valley Rd (Alamo). 2nd lane from the left blocked. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on August 8, 2026 at 12:49 AM.

Road

I-680 S

Area

Contra Costa

Address

Loading…

Started

Aug 7, 5:49 PM

Last Updated

17 hours, 17 minutes ago

Aug 7, 6:00 PM

Resolved

Aug 8, 12:15 AM

Coordinates

37.8524, -122.0291

Update History

1 observations

CHP : Traffic Collision on I-680 Southbound north of Stone Valley Rd (Alamo). 2nd lane from the left blocked. Expect delays. Aug 7, 6:00 PM

Source: 511_sfbay · ID 511.org/1532590 First seen Aug 7, 2026 6:00 PM