Accident Moderate Severity Stale

CHP : Traffic Hazard on I-680 Northbound south of Alcosta Blvd (San Ramon). Lanes affected. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on August 8, 2026 at 3:29 AM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Aug 7, 8:29 PM

Last Updated

1 hour, 11 minutes ago

Aug 7, 9:00 PM

Coordinates

37.7216, -121.9386

Update History

1 observations

CHP : Traffic Hazard on I-680 Northbound south of Alcosta Blvd (San Ramon). Lanes affected. Expect delays. Aug 7, 8:45 PM

Source: 511_sfbay · ID 511.org/1532661 First seen Aug 7, 2026 8:45 PM