Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Southbound at 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 April 28, 2026 at 11:10 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Apr 28, 4:10 PM

Last Updated

5 months, 4 weeks ago

Apr 28, 5:15 PM

Resolved

Apr 28, 11:30 PM

Coordinates

37.8149, -121.9935

Update History

5 observations

CHP : Traffic Hazard on I-680 Southbound at Sycamore Valley Rd (Danville). 3rd lane from the left affected. Expect delays. Apr 28, 5:15 PM

CHP : Traffic Hazard on I-680 Southbound at Sycamore Valley Rd (Danville). 3rd lane from the left affected. Expect delays. Apr 28, 5:00 PM

CHP : Traffic Hazard on I-680 Southbound at Sycamore Valley Rd (Danville). 3rd lane from the left affected. Expect delays. Apr 28, 4:30 PM

CHP : Traffic Hazard on I-680 Southbound at Sycamore Valley Rd (Danville). Right shoulder affected. Expect delays. Apr 28, 4:15 PM

CHP : Traffic Hazard on I-680 Southbound at Sycamore Valley Rd (Danville). Lane affected. Expect delays. Apr 28, 4:00 PM

Source: 511_sfbay · ID 511.org/1487291 First seen Apr 28, 2026 4:00 PM