Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries on CA-4 Eastbound north of Laurel Rd (Antioch). Lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on August 18, 2026 at 11:23 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Aug 18, 4:23 PM

Last Updated

2 months, 1 week ago

Aug 18, 4:30 PM

Resolved

Aug 18, 10:30 PM

Coordinates

37.9877, -121.7509

Update History

2 observations

CHP : Traffic Collision with Injuries on CA-4 Eastbound north of Laurel Rd (Antioch). Lane affected. Expect delays. Aug 18, 4:30 PM

CHP : Traffic Collision with Injuries on CA-4 Eastbound north of Laurel Rd (Antioch). Lane affected. Expect delays. Aug 18, 4:15 PM

Source: 511_sfbay · ID 511.org/1537414 First seen Aug 18, 2026 4:15 PM