Accident Moderate Severity Resolved

CHP : Traffic Collision on I-680 Southbound north of Stone Valley Rd (Alamo). Lane affected. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on October 24, 2026 at 12:37 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Oct 23, 5:37 PM

Last Updated

3 days, 22 hours ago

Oct 23, 6:00 PM

Resolved

Oct 24, 12:00 AM

Coordinates

37.8541, -122.0294

Update History

1 observations

CHP : Traffic Collision on I-680 Southbound north of Stone Valley Rd (Alamo). Lane affected. Expect delays. Oct 23, 5:45 PM

Source: 511_sfbay · ID 511.org/1567788 First seen Oct 23, 2026 5:45 PM