Accident High Severity Resolved

CHP : Fire on CA-4 Eastbound entering at Contra Loma Blvd (Antioch). On Ramp affected. Expect delays.

A high-severity accident was reported on CA-4 E near Contra Costa on October 21, 2026 at 10:47 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Oct 21, 3:47 PM

Last Updated

5 days, 15 hours ago

Oct 21, 4:45 PM

Resolved

Oct 21, 10:45 PM

Coordinates

37.9993, -121.8213

Update History

1 observations

CHP : Fire on CA-4 Eastbound entering at Contra Loma Blvd (Antioch). On Ramp affected. Expect delays. Oct 21, 4:30 PM

Source: 511_sfbay · ID 511.org/1566806 First seen Oct 21, 2026 4:30 PM