Accident Moderate Severity Resolved

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

A injury accident was reported on I-680 N near Contra Costa on May 21, 2026 at 2:39 AM.

Road

I-680 N

Area

Contra Costa

Address

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Started

May 20, 7:39 PM

Last Updated

15 hours, 34 minutes ago

May 20, 8:15 PM

Resolved

May 21, 2:30 AM

Coordinates

37.8069, -121.9908

Update History

2 observations

CHP : Traffic Hazard on I-680 Northbound north of Sycamore Valley Rd (Danville). Lanes affected. Expect delays. May 20, 8:15 PM

CHP : Traffic Hazard on I-680 Northbound north of Sycamore Valley Rd (Danville). Lanes affected. Expect delays. May 20, 7:45 PM

Source: 511_sfbay · ID 511.org/1497439 First seen May 20, 2026 7:45 PM