Accident Moderate Severity Resolved

CHP : Traffic Collision on I-680 Northbound south of Sycamore Valley Rd (Danville). 2nd lane from the left blocked. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on August 19, 2026 at 3:48 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Aug 19, 8:48 AM

Last Updated

2 months, 1 week ago

Aug 19, 10:00 AM

Resolved

Aug 19, 4:00 PM

Coordinates

37.8069, -121.9908

Update History

3 observations

CHP : Traffic Collision on I-680 Northbound south of Sycamore Valley Rd (Danville). 2nd lane from the left blocked. Expect delays. Aug 19, 9:45 AM

CHP : Traffic Collision on I-680 Northbound south of Sycamore Valley Rd (Danville). 2nd lane from the left blocked. Expect delays. Aug 19, 9:15 AM

CHP : Traffic Collision on I-680 Northbound south of Sycamore Valley Rd (Danville). Center lane blocked. Expect delays. Aug 19, 9:00 AM

Source: 511_sfbay · ID 511.org/1537766 First seen Aug 19, 2026 9:00 AM