Accident Moderate Severity Resolved

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

A injury accident was reported on I-680 S near Contra Costa on June 5, 2026 at 3:47 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Jun 5, 8:47 AM

Last Updated

4 days, 16 hours ago

Jun 5, 9:00 AM

Resolved

Jun 5, 3:00 PM

Coordinates

37.7286, -121.9443

Update History

1 observations

CHP : Traffic Hazard on I-680 Southbound north of Alcosta Blvd (San Ramon). Right lane blocked. Expect delays. Jun 5, 9:00 AM

Source: 511_sfbay · ID 511.org/1504067 First seen Jun 5, 2026 9:00 AM