Accident Moderate Severity Resolved

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

A injury accident was reported on I-680 S near Contra Costa on October 24, 2026 at 11:59 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Oct 24, 4:59 PM

Last Updated

2 days, 17 hours ago

Oct 24, 5:15 PM

Resolved

Oct 24, 11:15 PM

Coordinates

37.7216, -121.9389

Update History

1 observations

CHP : Traffic Hazard on I-680 Southbound north of Alcosta Blvd (San Ramon). Right lanes blocked. Expect delays. Oct 24, 5:15 PM

Source: 511_sfbay · ID 511.org/1568214 First seen Oct 24, 2026 5:15 PM