Accident High Severity Resolved

CHP : Traffic Collision on CA-4 Eastbound exiting at Bailey Rd (Pittsburg). Off Ramp affected. Expect delays.

A high-severity accident was reported on CA-4 E near Contra Costa on June 4, 2026 at 2:38 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jun 3, 7:38 PM

Last Updated

1 day ago

Jun 3, 8:30 PM

Resolved

Jun 4, 2:30 AM

Coordinates

38.0188, -121.9475

Update History

2 observations

CHP : Traffic Collision on CA-4 Eastbound exiting at Bailey Rd (Pittsburg). Off Ramp affected. Expect delays. Jun 3, 8:15 PM

CHP : Traffic Collision on CA-4 Eastbound exiting at Bailey Rd (Pittsburg). Right lane blocked. Expect delays. Jun 3, 7:45 PM

Source: 511_sfbay · ID 511.org/1503377 First seen Jun 3, 2026 7:45 PM