Accident Moderate Severity Stale

CHP : Traffic Hazard on CA-4 Westbound east of Hillcrest Ave (Antioch). Lane affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on June 10, 2026 at 3:29 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jun 10, 8:29 AM

Last Updated

1 hour, 43 minutes ago

Jun 10, 8:30 AM

Coordinates

37.9956, -121.7804

Update History

2 observations

CHP : Traffic Hazard on CA-4 Westbound east of Hillcrest Ave (Antioch). Lane affected. Expect delays. Jun 10, 8:30 AM

CHP : Traffic Hazard on CA-4 Westbound east of Hillcrest Ave (Antioch). Lane affected. Expect delays. Jun 10, 8:15 AM

Source: 511_sfbay · ID 511.org/1506227 First seen Jun 10, 2026 8:15 AM