Accident Moderate Severity Resolved

CHP : Traffic Collision on I-680 Northbound south of Stone Valley Rd (Alamo). 2nd lane from the left blocked. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on May 26, 2026 at 3:29 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

May 26, 8:29 AM

Last Updated

5 months ago

May 26, 8:30 AM

Resolved

May 26, 2:45 PM

Coordinates

37.8480, -122.0276

Update History

2 observations

CHP : Traffic Collision on I-680 Northbound south of Stone Valley Rd (Alamo). 2nd lane from the left blocked. Expect delays. May 26, 8:30 AM

CHP : Traffic Collision on I-680 Northbound south of Stone Valley Rd (Alamo). 2nd lane from the left blocked. Expect delays. May 26, 8:15 AM

Source: 511_sfbay · ID 511.org/1499390 First seen May 26, 2026 8:15 AM