Accident Moderate Severity Stale

CHP : Traffic Collision on I-680 Northbound south of Stone Valley Rd (Alamo). 2nd lane from the left blocked. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on August 25, 2026 at 3:14 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Aug 25, 8:14 AM

Last Updated

2 hours, 43 minutes ago

Aug 25, 8:45 AM

Coordinates

37.8506, -122.0286

Update History

1 observations

CHP : Traffic Collision on I-680 Northbound south of Stone Valley Rd (Alamo). 2nd lane from the left blocked. Expect delays. Aug 25, 8:30 AM

Source: 511_sfbay · ID 511.org/1540427 First seen Aug 25, 2026 8:30 AM