Accident Moderate Severity Active

CHP : Traffic Hazard on CA-4 Eastbound west of Laurel Rd (Antioch). Lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on August 8, 2026 at 8:38 PM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Aug 8, 1:38 PM

Last Updated

14 minutes ago

Aug 8, 3:15 PM

Coordinates

37.9823, -121.7469

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound west of Laurel Rd (Antioch). Lane affected. Expect delays. Aug 8, 2:15 PM

Source: 511_sfbay · ID 511.org/1532880 First seen Aug 8, 2026 2:15 PM