Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries on I-680 Southbound north of Stone Valley Rd (Alamo). Left lanes blocked. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on May 26, 2026 at 12:14 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

May 26, 5:14 AM

Last Updated

12 hours, 13 minutes ago

May 26, 6:30 AM

Resolved

May 26, 12:45 PM

Coordinates

37.8599, -122.0325

Update History

3 observations

CHP : Traffic Collision with Injuries on I-680 Southbound north of Stone Valley Rd (Alamo). Left lanes blocked. Expect delays. May 26, 5:45 AM

CHP : Traffic Collision with Injuries on I-680 Southbound north of Stone Valley Rd (Alamo). Left lanes blocked. Expect delays. May 26, 5:30 AM

CHP : Traffic Collision with Injuries on I-680 Southbound north of Stone Valley Rd (Alamo). Lanes affected. Expect delays. May 26, 5:15 AM

Source: 511_sfbay · ID 511.org/1499335 First seen May 26, 2026 5:15 AM