Accident High Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound east of CA-242 N (Concord). Center lanes blocked. Expect delays.

A high-severity accident was reported on CA-4 W near Contra Costa on June 23, 2026 at 2:52 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jun 22, 7:52 PM

Last Updated

1 month, 1 week ago

Jun 22, 8:00 PM

Resolved

Jun 23, 2:15 AM

Coordinates

38.0064, -122.0356

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of CA-242 N (Concord). Center lanes blocked. Expect delays. Jun 22, 8:00 PM

Source: 511_sfbay · ID 511.org/1511783 First seen Jun 22, 2026 8:00 PM