Accident Moderate Severity Stale

CHP : Traffic Hazard on CA-4 Eastbound west of Laurel Rd (Antioch). Right lane blocked. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on October 28, 2026 at 3:54 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Oct 28, 8:54 AM

Last Updated

49 minutes ago

Oct 28, 9:45 AM

Coordinates

37.9823, -121.7469

Update History

2 observations

CHP : Traffic Hazard on CA-4 Eastbound west of Laurel Rd (Antioch). Right lane blocked. Expect delays. Oct 28, 9:30 AM

CHP : Traffic Hazard on CA-4 Eastbound west of Laurel Rd (Antioch). Left lane blocked. Expect delays. Oct 28, 9:00 AM

Source: 511_sfbay · ID 511.org/1569708 First seen Oct 28, 2026 9:00 AM