Accident High Severity Resolved

CHP : Traffic Collision on CA-4 Eastbound west of Laurel Rd (Antioch). Lanes blocked. Expect delays.

A high-severity accident was reported on CA-4 E near Contra Costa on July 22, 2026 at 2:44 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jul 21, 7:44 PM

Last Updated

1 week, 1 day ago

Jul 21, 8:00 PM

Resolved

Jul 22, 2:15 AM

Coordinates

37.9877, -121.7509

Update History

2 observations

CHP : Traffic Collision on CA-4 Eastbound west of Laurel Rd (Antioch). Lanes blocked. Expect delays. Jul 21, 8:00 PM

CHP : Traffic Collision on CA-4 Eastbound at Laurel Rd (Antioch). Lane affected. Expect delays. Jul 21, 7:45 PM

Source: 511_sfbay · ID 511.org/1524316 First seen Jul 21, 2026 7:45 PM