Accident Moderate Severity Resolved

CHP : Traffic Hazard 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 May 3, 2026 at 3:11 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

May 2, 8:11 PM

Last Updated

5 months, 3 weeks ago

May 2, 8:30 PM

Resolved

May 3, 2:45 AM

Coordinates

37.8524, -122.0291

Update History

1 observations

CHP : Traffic Hazard on I-680 Southbound north of Stone Valley Rd (Alamo). Lane affected. Expect delays. May 2, 8:15 PM

Source: 511_sfbay · ID 511.org/1489423 First seen May 2, 2026 8:15 PM