Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Northbound north of Stone Valley Rd (Alamo). 3rd lane from the left blocked. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on August 19, 2026 at 8:32 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Aug 19, 1:32 PM

Last Updated

2 months, 1 week ago

Aug 19, 2:00 PM

Resolved

Aug 19, 8:15 PM

Coordinates

37.8549, -122.0292

Update History

1 observations

CHP : Traffic Hazard on I-680 Northbound north of Stone Valley Rd (Alamo). 3rd lane from the left blocked. Expect delays. Aug 19, 1:45 PM

Source: 511_sfbay · ID 511.org/1537911 First seen Aug 19, 2026 1:45 PM