Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Northbound south of Alcosta Blvd (San Ramon). Left and center lanes blocked. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on October 15, 2026 at 11:46 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Oct 15, 4:46 PM

Last Updated

1 week, 4 days ago

Oct 15, 5:00 PM

Resolved

Oct 15, 11:00 PM

Coordinates

37.7236, -121.9400

Update History

1 observations

CHP : Traffic Hazard on I-680 Northbound south of Alcosta Blvd (San Ramon). Left and center lanes blocked. Expect delays. Oct 15, 5:00 PM

Source: 511_sfbay · ID 511.org/1564278 First seen Oct 15, 2026 5:00 PM