Accident Moderate Severity Resolved

CHP : Residual delays on I-680 Northbound south of Stone Valley Rd (Alamo). Right shoulder affected. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on August 12, 2026 at 11:14 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Aug 12, 4:14 PM

Last Updated

2 months, 2 weeks ago

Aug 12, 4:15 PM

Resolved

Aug 12, 10:30 PM

Coordinates

37.8480, -122.0276

Update History

1 observations

CHP : Residual delays on I-680 Northbound south of Stone Valley Rd (Alamo). Right shoulder affected. Expect delays. Aug 12, 4:15 PM

Source: 511_sfbay · ID 511.org/1534680 First seen Aug 12, 2026 4:15 PM