Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Southbound south of Sycamore Valley Rd (Danville). 3rd lane from the left affected. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on October 12, 2026 at 7:36 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Oct 12, 12:36 PM

Last Updated

2 weeks, 1 day ago

Oct 12, 1:00 PM

Resolved

Oct 12, 7:15 PM

Coordinates

37.8085, -121.9918

Update History

1 observations

CHP : Traffic Hazard on I-680 Southbound south of Sycamore Valley Rd (Danville). 3rd lane from the left affected. Expect delays. Oct 12, 1:00 PM

Source: 511_sfbay · ID 511.org/1562629 First seen Oct 12, 2026 1:00 PM