Accident Moderate Severity Resolved

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

A injury accident was reported on I-680 N near Contra Costa on September 15, 2026 at 6:54 AM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Sep 14, 11:54 PM

Last Updated

1 month, 1 week ago

Sep 15, 12:30 AM

Resolved

Sep 15, 6:30 AM

Coordinates

37.8549, -122.0292

Update History

1 observations

CHP : Traffic Hazard on I-680 Northbound south of Stone Valley Rd (Alamo). Right shoulder affected. Expect delays. Sep 15, 12:15 AM

Source: 511_sfbay · ID 511.org/1549502 First seen Sep 15, 2026 12:15 AM