Accident High Severity Resolved

CHP : Disabled vehicle on CA-4 Eastbound at Lone Tree Way Bypass (Antioch). Lane affected. Expect delays.

A high-severity accident was reported on CA-4 E near Contra Costa on August 2, 2026 at 1:12 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Aug 2, 6:12 AM

Last Updated

2 months, 3 weeks ago

Aug 2, 6:15 AM

Resolved

Aug 2, 12:30 PM

Coordinates

37.9648, -121.7406

Update History

1 observations

CHP : Disabled vehicle on CA-4 Eastbound at Lone Tree Way Bypass (Antioch). Lane affected. Expect delays. Aug 2, 6:15 AM

Source: 511_sfbay · ID 511.org/1529815 First seen Aug 2, 2026 6:15 AM