Road Closure Active

CHP : Emergency road closure on CA-4 Eastbound between Laurel Rd (Antioch) and Lone Tree Way Bypass (Antioch). All lanes blocked. Avoid the area.

A road closure was reported on CA-4 E near Contra Costa on June 18, 2026 at 12:22 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jun 18, 5:22 AM

Last Updated

4 minutes ago

Jun 18, 7:00 AM

Coordinates

37.9701, -121.7391

Update History

2 observations

CHP : Emergency road closure on CA-4 Eastbound between Laurel Rd (Antioch) and Lone Tree Way Bypass (Antioch). All lanes blocked. Avoid the area. Jun 18, 6:30 AM

CHP : Emergency road closure on CA-4 Eastbound between Laurel Rd (Antioch) and Lone Tree Way Bypass (Antioch). All lanes blocked. Avoid the area. Jun 18, 6:00 AM

Source: 511_sfbay · ID 511.org/1509829 First seen Jun 18, 2026 6:00 AM

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