Accident Moderate Severity Resolved

CHP : Traffic Collision on CA-4 Eastbound west of Contra Loma Blvd (Antioch). Lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on July 19, 2026 at 3:22 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jul 18, 8:22 PM

Last Updated

3 months, 1 week ago

Jul 18, 8:30 PM

Resolved

Jul 19, 2:30 AM

Coordinates

38.0002, -121.8248

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound west of Contra Loma Blvd (Antioch). Lane affected. Expect delays. Jul 18, 8:30 PM

Source: 511_sfbay · ID 511.org/1523118 First seen Jul 18, 2026 8:30 PM