Accident High Severity Resolved

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

A high-severity accident was reported on CA-4 W near Contra Costa on June 5, 2026 at 2:16 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jun 5, 7:16 AM

Last Updated

4 days, 18 hours ago

Jun 5, 7:30 AM

Resolved

Jun 5, 1:30 PM

Coordinates

38.0182, -122.2663

Update History

3 observations

CHP : Traffic Collision on CA-4 Westbound east of I-80 E (Hercules). Left lane blocked. Expect delays. Jun 5, 7:30 AM

CHP : Traffic Collision on CA-4 Westbound east of I-80 E (Hercules). Left lane blocked. Expect delays. Jun 5, 7:15 AM

CHP : Traffic Collision on CA-4 Westbound east of I-80 E (Hercules). Left lane blocked. Expect delays. Jun 5, 6:45 AM

Source: 511_sfbay · ID 511.org/1504029 First seen Jun 5, 2026 6:45 AM