Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries on CA-4 Eastbound east of Discovery Bay Blvd (Discovery Bay). Lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on June 23, 2026 at 3:41 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jun 23, 8:41 AM

Last Updated

4 months ago

Jun 23, 10:15 AM

Resolved

Jun 23, 4:30 PM

Coordinates

37.8902, -121.6023

Update History

3 observations

CHP : Traffic Collision with Injuries on CA-4 Eastbound east of Discovery Bay Blvd (Discovery Bay). Lane affected. Expect delays. Jun 23, 10:00 AM

CHP : Traffic Collision with Injuries on CA-4 Eastbound east of Discovery Bay Blvd (Discovery Bay). Lane affected. Expect delays. Jun 23, 9:00 AM

CHP : Traffic Collision with Injuries on CA-4 Eastbound east of Discovery Bay Blvd (Discovery Bay). Lane affected. Expect delays. Jun 23, 8:15 AM

Source: 511_sfbay · ID 511.org/1511952 First seen Jun 23, 2026 8:15 AM