Accident Moderate Severity Resolved

CHP : Disabled vehicle on CA-4 Westbound east of CA-160 (Antioch). Center lane blocked. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on October 27, 2026 at 2:23 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Oct 26, 7:23 PM

Last Updated

8 hours, 12 minutes ago

Oct 26, 8:30 PM

Resolved

Oct 27, 2:45 AM

Coordinates

37.9889, -121.7520

Update History

3 observations

CHP : Disabled vehicle on CA-4 Westbound east of CA-160 (Antioch). Center lane blocked. Expect delays. Oct 26, 8:15 PM

CHP : Disabled vehicle on CA-4 Westbound east of CA-160 (Antioch). Center lane blocked. Expect delays. Oct 26, 7:45 PM

CHP : Traffic Hazard on CA-4 Westbound east of CA-160 (Antioch). Center lane blocked. Expect delays. Oct 26, 7:30 PM

Source: 511_sfbay · ID 511.org/1568957 First seen Oct 26, 2026 7:30 PM