Accident High Severity Resolved

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

A high-severity accident was reported on CA-4 E near Contra Costa on September 20, 2026 at 10:07 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Sep 20, 3:07 AM

Last Updated

1 month, 1 week ago

Sep 20, 3:15 AM

Resolved

Sep 20, 9:30 AM

Coordinates

38.0188, -121.9480

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound at Bailey Rd (Pittsburg). Off Ramp affected. Expect delays. Sep 20, 3:15 AM

Source: 511_sfbay · ID 511.org/1552111 First seen Sep 20, 2026 3:15 AM