Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Northbound south of Stone Valley Rd (Alamo). Right lane affected. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on September 9, 2026 at 9:47 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Sep 9, 2:47 PM

Last Updated

1 month, 2 weeks ago

Sep 9, 3:00 PM

Resolved

Sep 9, 9:00 PM

Coordinates

37.8480, -122.0276

Update History

1 observations

CHP : Traffic Hazard on I-680 Northbound south of Stone Valley Rd (Alamo). Right lane affected. Expect delays. Sep 9, 3:00 PM

Source: 511_sfbay · ID 511.org/1546983 First seen Sep 9, 2026 3:00 PM