Accident Moderate Severity Resolved

CHP : Traffic Collision on I-680 Northbound south of Concord Ave (Pleasant Hill). Right lane blocked. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on May 20, 2026 at 11:21 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

May 20, 4:21 PM

Last Updated

17 hours, 53 minutes ago

May 20, 5:15 PM

Resolved

May 20, 11:30 PM

Coordinates

37.9737, -122.0622

Update History

2 observations

CHP : Traffic Collision on I-680 Northbound south of Concord Ave (Pleasant Hill). Right lane blocked. Expect delays. May 20, 5:15 PM

CHP : Traffic Collision on I-680 Northbound south of Concord Ave (Pleasant Hill). Right lane blocked. Expect delays. May 20, 4:45 PM

Source: 511_sfbay · ID 511.org/1497361 First seen May 20, 2026 4:45 PM