Accident High Severity Resolved

CHP : Traffic Collision on I-680 Southbound south of N Main St (Walnut Creek). On Ramp blocked. Expect delays.

A high-severity accident was reported on I-680 S near Contra Costa on October 23, 2026 at 11:22 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Oct 23, 4:22 PM

Last Updated

3 days, 20 hours ago

Oct 23, 4:30 PM

Resolved

Oct 23, 10:30 PM

Coordinates

37.9012, -122.0707

Update History

1 observations

CHP : Traffic Collision on I-680 Southbound south of N Main St (Walnut Creek). On Ramp blocked. Expect delays. Oct 23, 4:30 PM

Source: 511_sfbay · ID 511.org/1567745 First seen Oct 23, 2026 4:30 PM