Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries 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 20, 2026 at 9:19 AM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Sep 20, 2:19 AM

Last Updated

1 month, 1 week ago

Sep 20, 3:00 AM

Resolved

Sep 20, 9:15 AM

Coordinates

37.8480, -122.0276

Update History

1 observations

CHP : Traffic Collision with Injuries on I-680 Northbound south of Stone Valley Rd (Alamo). Right shoulder affected. Expect delays. Sep 20, 2:30 AM

Source: 511_sfbay · ID 511.org/1552104 First seen Sep 20, 2026 2:30 AM