Accident High Severity Resolved

CHP : Disabled vehicle on CA-4 Eastbound exiting at Hillcrest Ave (Antioch). Off Ramp blocked. Expect delays.

A high-severity accident was reported on CA-4 E near Contra Costa on October 12, 2026 at 11:54 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Oct 12, 4:54 PM

Last Updated

2 weeks ago

Oct 12, 5:00 PM

Resolved

Oct 12, 11:15 PM

Coordinates

37.9968, -121.7895

Update History

1 observations

CHP : Disabled vehicle on CA-4 Eastbound exiting at Hillcrest Ave (Antioch). Off Ramp blocked. Expect delays. Oct 12, 5:00 PM

Source: 511_sfbay · ID 511.org/1562742 First seen Oct 12, 2026 5:00 PM