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 September 3, 2026 at 2:29 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Sep 2, 7:29 PM

Last Updated

1 month, 3 weeks ago

Sep 2, 7:45 PM

Resolved

Sep 3, 1:45 AM

Coordinates

37.8149, -121.9935

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. Sep 2, 7:45 PM

Source: 511_sfbay · ID 511.org/1544461 First seen Sep 2, 2026 7:45 PM