Accident Moderate Severity Resolved

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

A injury accident was reported on CA-4 W near Contra Costa on June 30, 2026 at 1:08 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jun 30, 6:08 AM

Last Updated

3 months, 3 weeks ago

Jun 30, 6:30 AM

Resolved

Jun 30, 12:30 PM

Coordinates

37.9761, -121.7419

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of Laurel Rd (Antioch). Lane affected. Expect delays. Jun 30, 6:15 AM

Source: 511_sfbay · ID 511.org/1515075 First seen Jun 30, 2026 6:15 AM