Accident Moderate Severity Resolved

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

A injury accident was reported on I-680 N near Contra Costa on September 2, 2026 at 10:20 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Sep 2, 3:20 PM

Last Updated

1 month, 3 weeks ago

Sep 2, 4:00 PM

Resolved

Sep 2, 10:15 PM

Coordinates

37.8069, -121.9908

Update History

1 observations

CHP : Traffic Hazard on I-680 Northbound south of Sycamore Valley Rd (Danville). Lane affected. Expect delays. Sep 2, 3:30 PM

Source: 511_sfbay · ID 511.org/1544348 First seen Sep 2, 2026 3:30 PM