Accident Resolved

CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Somersville Rd (Antioch). All lanes open. Expect delays.

A accident was reported on CA-4 E near Contra Costa on June 24, 2026 at 5:50 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jun 23, 10:50 PM

Last Updated

4 months ago

Jun 23, 11:15 PM

Resolved

Jun 24, 5:30 AM

Coordinates

38.0037, -121.8374

Update History

2 observations

CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Somersville Rd (Antioch). All lanes open. Expect delays. Jun 23, 11:00 PM

CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Somersville Rd (Antioch). Center Divider affected. Expect delays. Jun 23, 10:30 PM

Source: 511_sfbay · ID 511.org/1512370 First seen Jun 23, 2026 10:30 PM