Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Southbound north of Sycamore Valley Rd (Danville). Lane affected. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on October 5, 2026 at 12:22 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Oct 4, 5:22 PM

Last Updated

3 weeks, 1 day ago

Oct 4, 6:15 PM

Resolved

Oct 5, 12:30 AM

Coordinates

37.8149, -121.9935

Update History

1 observations

CHP : Traffic Hazard on I-680 Southbound north of Sycamore Valley Rd (Danville). Lane affected. Expect delays. Oct 4, 6:00 PM

Source: 511_sfbay · ID 511.org/1558959 First seen Oct 4, 2026 6:00 PM