Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries 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 12, 2026 at 1:26 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

May 12, 6:26 AM

Last Updated

5 months, 2 weeks ago

May 12, 6:45 AM

Resolved

May 12, 12:45 PM

Coordinates

37.8901, -121.6023

Update History

1 observations

CHP : Traffic Collision with Injuries on CA-4 Eastbound east of Discovery Bay Blvd (Discovery Bay). Lane blocked. Expect delays. May 12, 6:30 AM

Source: 511_sfbay · ID 511.org/1493288 First seen May 12, 2026 6:30 AM