Accident Moderate Severity Stale

CHP : Grass fire on CA-4 Westbound west of Lone Tree Way Bypass (Antioch). Right shoulder affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on June 14, 2026 at 10:56 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jun 14, 3:56 AM

Last Updated

1 hour, 14 minutes ago

Jun 14, 4:00 AM

Coordinates

37.9554, -121.7444

Update History

2 observations

CHP : Grass fire on CA-4 Westbound west of Lone Tree Way Bypass (Antioch). Right shoulder affected. Expect delays. Jun 14, 4:00 AM

CHP : Fire on CA-4 Westbound west of A St (Antioch). Right shoulder affected. Expect delays. Jun 14, 3:45 AM

Source: 511_sfbay · ID 511.org/1508126 First seen Jun 14, 2026 3:45 AM