Accident Moderate Severity Resolved

CHP : Traffic Hazard 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 June 20, 2026 at 8:35 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Jun 20, 1:35 PM

Last Updated

4 months ago

Jun 20, 2:00 PM

Resolved

Jun 20, 8:00 PM

Coordinates

37.8477, -122.0278

Update History

1 observations

CHP : Traffic Hazard on I-680 Southbound north of Stone Valley Rd (Alamo). 2nd lane from the left blocked. Expect delays. Jun 20, 1:45 PM

Source: 511_sfbay · ID 511.org/1510996 First seen Jun 20, 2026 1:45 PM