Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Northbound at Ygnacio Valley Rd (Walnut Creek). Lane affected. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on April 9, 2026 at 1:14 AM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Apr 8, 6:14 PM

Last Updated

6 months, 2 weeks ago

Apr 8, 6:30 PM

Resolved

Apr 9, 12:45 AM

Coordinates

37.9042, -122.0697

Update History

2 observations

CHP : Traffic Hazard on I-680 Northbound at Ygnacio Valley Rd (Walnut Creek). Lane affected. Expect delays. Apr 8, 6:30 PM

CHP : Traffic Hazard on Ygnacio Valley Rd Eastbound at Oakland Blvd (Walnut Creek). Lane affected. Expect delays. Apr 8, 6:15 PM

Source: 511_sfbay · ID 511.org/1478674 First seen Apr 8, 2026 6:15 PM