Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound east of Discovery Bay Blvd (Discovery Bay). Lane blocked. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on May 30, 2026 at 9:32 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

May 30, 2:32 PM

Last Updated

4 months, 3 weeks ago

May 30, 2:45 PM

Resolved

May 30, 9:00 PM

Coordinates

37.8902, -121.6023

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound east of Discovery Bay Blvd (Discovery Bay). Lane blocked. Expect delays. May 30, 2:45 PM

Source: 511_sfbay · ID 511.org/1501509 First seen May 30, 2026 2:45 PM