Accident Moderate Severity Resolved

CHP : Traffic Collision on I-680 Northbound south of Stone Valley Rd (Alamo). Center lanes blocked. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on July 8, 2026 at 9:49 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Jul 8, 2:49 PM

Last Updated

3 months, 2 weeks ago

Jul 8, 3:00 PM

Resolved

Jul 8, 9:15 PM

Coordinates

37.8432, -122.0219

Update History

2 observations

CHP : Traffic Collision on I-680 Northbound south of Stone Valley Rd (Alamo). Center lanes blocked. Expect delays. Jul 8, 3:00 PM

CHP : Traffic Collision on I-680 Northbound south of Stone Valley Rd (Alamo). Lanes blocked. Expect delays. Jul 8, 2:45 PM

Source: 511_sfbay · ID 511.org/1518325 First seen Jul 8, 2026 2:45 PM