Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Southbound north of Alcosta Blvd (San Ramon). Right lanes affected. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on October 2, 2026 at 2:48 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Oct 2, 7:48 AM

Last Updated

3 weeks, 6 days ago

Oct 2, 8:00 AM

Resolved

Oct 2, 2:00 PM

Coordinates

37.7286, -121.9443

Update History

1 observations

CHP : Traffic Hazard on I-680 Southbound north of Alcosta Blvd (San Ramon). Right lanes affected. Expect delays. Oct 2, 8:00 AM

Source: 511_sfbay · ID 511.org/1557966 First seen Oct 2, 2026 8:00 AM