Accident Moderate Severity Resolved

CHP : Traffic Collision on CA-4 Eastbound west of Arnold Industrial Pl (Concord). Lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on November 3, 2026 at 1:29 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Nov 2, 5:29 PM

Last Updated

1 day, 2 hours ago

Nov 2, 5:30 PM

Resolved

Nov 2, 11:45 PM

Coordinates

38.0006, -122.0541

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound west of Arnold Industrial Pl (Concord). Lane affected. Expect delays. Nov 2, 5:30 PM

Source: 511_sfbay · ID 511.org/1572026 First seen Nov 2, 2026 5:30 PM