Accident Moderate Severity Resolved

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

A injury accident was reported on I-680 N near Contra Costa on October 7, 2026 at 11:10 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Oct 7, 4:10 PM

Last Updated

2 weeks, 5 days ago

Oct 7, 4:30 PM

Resolved

Oct 7, 10:30 PM

Coordinates

37.7236, -121.9400

Update History

1 observations

CHP : Traffic Hazard on I-680 Northbound south of Alcosta Blvd (San Ramon). Right and center lanes blocked. Expect delays. Oct 7, 4:30 PM

Source: 511_sfbay · ID 511.org/1560447 First seen Oct 7, 2026 4:30 PM