Accident Resolved

CHP : Residual delays on CA-4 Eastbound east of Arnold Industrial Pl (Concord). All lanes open. Expect delays.

A accident was reported on CA-4 E near Contra Costa on September 17, 2026 at 1:23 AM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Sep 16, 6:23 PM

Last Updated

1 month, 1 week ago

Sep 16, 7:00 PM

Resolved

Sep 17, 1:00 AM

Coordinates

38.0016, -122.0503

Update History

3 observations

CHP : Residual delays on CA-4 Eastbound east of Arnold Industrial Pl (Concord). All lanes open. Expect delays. Sep 16, 7:00 PM

CHP : Traffic Collision with Injuries on CA-4 Eastbound east of Arnold Industrial Pl (Concord). Left and center lanes blocked. Expect delays. Sep 16, 6:45 PM

CHP : Traffic Collision with Injuries on CA-4 Eastbound east of Arnold Industrial Pl (Concord). Left and center lanes blocked. Expect delays. Sep 16, 6:30 PM

Source: 511_sfbay · ID 511.org/1550510 First seen Sep 16, 2026 6:30 PM

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