Accident High Severity Resolved

CHP : Disabled vehicle on CA-4 Westbound at Balfour Rd (Antioch). On Ramp blocked. Expect delays.

A high-severity accident was reported on CA-4 W near Contra Costa on June 13, 2026 at 11:35 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jun 13, 4:35 PM

Last Updated

9 hours, 58 minutes ago

Jun 13, 5:45 PM

Resolved

Jun 14, 12:00 AM

Coordinates

37.9319, -121.7359

Update History

1 observations

CHP : Disabled vehicle on CA-4 Westbound at Balfour Rd (Antioch). On Ramp blocked. Expect delays. Jun 13, 4:45 PM

Source: 511_sfbay · ID 511.org/1507982 First seen Jun 13, 2026 4:45 PM