Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound west of CA-242 S (Concord). Right lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on May 26, 2026 at 3:31 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

May 26, 8:31 AM

Last Updated

1 day, 8 hours ago

May 26, 8:45 AM

Resolved

May 26, 3:30 PM

Coordinates

38.0045, -122.0388

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound west of CA-242 S (Concord). Right lane affected. Expect delays. May 26, 8:45 AM

Source: 511_sfbay · ID 511.org/1499404 First seen May 26, 2026 8:45 AM