Accident High Severity Resolved

CHP : Traffic Collision on CA-4 Westbound east of I-80 W (Hercules). Left lane blocked. Expect delays.

A high-severity accident was reported on CA-4 W near Contra Costa on April 13, 2026 at 2:40 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Apr 13, 7:40 AM

Last Updated

1 month, 3 weeks ago

Apr 13, 8:30 AM

Resolved

Apr 13, 2:30 PM

Coordinates

38.0144, -122.2660

Update History

3 observations

CHP : Traffic Collision on CA-4 Westbound east of I-80 W (Hercules). Left lane blocked. Expect delays. Apr 13, 8:30 AM

CHP : Traffic Collision on CA-4 Westbound east of I-80 W (Hercules). Left lane blocked. Expect delays. Apr 13, 8:00 AM

CHP : Traffic Collision on CA-4 Westbound east of I-80 W (Hercules). Left lane blocked. Expect delays. Apr 13, 7:45 AM

Source: 511_sfbay · ID 511.org/1480741 First seen Apr 13, 2026 7:45 AM