Accident High Severity Stale

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

A high-severity accident was reported on CA-4 E near Contra Costa on July 29, 2026 at 4:47 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jul 29, 9:47 AM

Last Updated

5 hours, 33 minutes ago

Jul 29, 10:00 AM

Coordinates

37.9823, -121.7469

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound west of Laurel Rd (Antioch). Left lanes affected. Expect delays. Jul 29, 10:00 AM

Source: 511_sfbay · ID 511.org/1527895 First seen Jul 29, 2026 10:00 AM