Accident High Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound east of CA-242 S (Concord). Left and center lanes blocked. Expect delays.

A high-severity accident was reported on CA-4 W near Contra Costa on July 14, 2026 at 11:55 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jul 14, 4:55 PM

Last Updated

2 weeks, 1 day ago

Jul 14, 5:00 PM

Resolved

Jul 14, 11:00 PM

Coordinates

38.0098, -122.0234

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of CA-242 S (Concord). Left and center lanes blocked. Expect delays. Jul 14, 5:00 PM

Source: 511_sfbay · ID 511.org/1521027 First seen Jul 14, 2026 5:00 PM