Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound west of Bailey Rd (Pittsburg). Lanes affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on September 16, 2026 at 1:52 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Sep 16, 6:52 AM

Last Updated

1 month, 1 week ago

Sep 16, 8:15 AM

Resolved

Sep 16, 2:15 PM

Coordinates

38.0187, -121.9429

Update History

3 observations

CHP : Traffic Hazard on CA-4 Eastbound west of Bailey Rd (Pittsburg). Lanes affected. Expect delays. Sep 16, 8:15 AM

CHP : Traffic Hazard on CA-4 Eastbound west of Bailey Rd (Pittsburg). Lanes affected. Expect delays. Sep 16, 7:30 AM

CHP : Traffic Hazard on CA-4 Eastbound west of Bailey Rd (Pittsburg). Lanes affected. Expect delays. Sep 16, 7:15 AM

Source: 511_sfbay · ID 511.org/1550135 First seen Sep 16, 2026 7:15 AM