Accident Moderate Severity Resolved

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

A injury accident was reported on I-680 S near Contra Costa on June 19, 2026 at 11:36 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Jun 19, 4:36 PM

Last Updated

6 hours, 40 minutes ago

Jun 19, 4:45 PM

Resolved

Jun 19, 10:45 PM

Coordinates

37.8477, -122.0278

Update History

1 observations

CHP : Traffic Hazard on I-680 Southbound south of Stone Valley Rd (Alamo). Left lane affected. Expect delays. Jun 19, 4:45 PM

Source: 511_sfbay · ID 511.org/1510656 First seen Jun 19, 2026 4:45 PM