Accident Moderate Severity Stale

CHP : Traffic Hazard on I-680 Southbound at Stone Valley Rd (Alamo). Left shoulder affected. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on April 26, 2026 at 4:22 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Apr 25, 9:22 PM

Last Updated

3 hours, 5 minutes ago

Apr 25, 9:30 PM

Coordinates

37.8524, -122.0291

Update History

1 observations

CHP : Traffic Hazard on I-680 Southbound at Stone Valley Rd (Alamo). Left shoulder affected. Expect delays. Apr 25, 9:30 PM

Source: 511_sfbay · ID 511.org/1486201 First seen Apr 25, 2026 9:30 PM