Accident High Severity Resolved

CHP : Downed tree on I-680 Southbound entering at Geary Rd (Walnut Creek). On Ramp blocked. Expect delays.

A high-severity accident was reported on I-680 S near Contra Costa on August 26, 2026 at 12:14 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Aug 25, 5:14 PM

Last Updated

2 months ago

Aug 25, 5:30 PM

Resolved

Aug 25, 11:45 PM

Coordinates

37.9233, -122.0613

Update History

1 observations

CHP : Downed tree on I-680 Southbound entering at Geary Rd (Walnut Creek). On Ramp blocked. Expect delays. Aug 25, 5:30 PM

Source: 511_sfbay · ID 511.org/1540696 First seen Aug 25, 2026 5:30 PM