Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Northbound ramp to CA-24 W (Walnut Creek). Left lane affected. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on September 10, 2026 at 4:37 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Sep 10, 9:37 AM

Last Updated

1 month, 2 weeks ago

Sep 10, 10:15 AM

Resolved

Sep 10, 4:15 PM

Coordinates

37.8920, -122.0629

Update History

2 observations

CHP : Traffic Hazard on I-680 Northbound ramp to CA-24 W (Walnut Creek). Left lane affected. Expect delays. Sep 10, 10:15 AM

CHP : Traffic Hazard on I-680 Northbound ramp to CA-24 W (Walnut Creek). Left lane affected. Expect delays. Sep 10, 9:45 AM

Source: 511_sfbay · ID 511.org/1547407 First seen Sep 10, 2026 9:45 AM