Accident High Severity Resolved

CHP : Disabled vehicle on I-680 Northbound exiting at Sycamore Valley Rd (Danville). Off Ramp blocked. Expect delays.

A high-severity accident was reported on I-680 N near Contra Costa on June 18, 2026 at 3:04 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Jun 18, 8:04 AM

Last Updated

8 hours, 20 minutes ago

Jun 18, 8:30 AM

Resolved

Jun 18, 2:45 PM

Coordinates

37.8069, -121.9908

Update History

1 observations

CHP : Disabled vehicle on I-680 Northbound exiting at Sycamore Valley Rd (Danville). Off Ramp blocked. Expect delays. Jun 18, 8:15 AM

Source: 511_sfbay · ID 511.org/1509874 First seen Jun 18, 2026 8:15 AM