Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries on I-680 Southbound north of Alcosta Blvd (San Ramon). Left lane blocked. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on June 1, 2026 at 1:59 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

May 31, 6:59 PM

Last Updated

4 months, 3 weeks ago

May 31, 7:00 PM

Resolved

Jun 1, 1:15 AM

Coordinates

37.7375, -121.9510

Update History

1 observations

CHP : Traffic Collision with Injuries on I-680 Southbound north of Alcosta Blvd (San Ramon). Left lane blocked. Expect delays. May 31, 7:00 PM

Source: 511_sfbay · ID 511.org/1501886 First seen May 31, 2026 7:00 PM