Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Northbound north of CA-24 E-I-680 N Ramp (Walnut Creek). Right lane blocked. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on September 4, 2026 at 2:32 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Sep 4, 7:32 AM

Last Updated

1 month, 3 weeks ago

Sep 4, 8:45 AM

Resolved

Sep 4, 2:45 PM

Coordinates

37.8989, -122.0709

Update History

2 observations

CHP : Traffic Hazard on I-680 Northbound north of CA-24 E-I-680 N Ramp (Walnut Creek). Right lane blocked. Expect delays. Sep 4, 8:15 AM

CHP : Traffic Hazard on I-680 Northbound north of CA-24 E-I-680 N Ramp (Walnut Creek). Left lanes affected. Expect delays. Sep 4, 7:45 AM

Source: 511_sfbay · ID 511.org/1545132 First seen Sep 4, 2026 7:45 AM