Accident
Moderate Severity
Resolved
CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Sycamore Ave (Hercules). Lane affected. Expect delays.
A injury accident was reported on CA-4 E near Contra Costa on May 24, 2026 at 11:36 AM.
Last Updated
1 day ago
May 24, 6:00 AM
Resolved
May 24, 12:00 PM
Coordinates
38.0105, -122.2302
Update History
5 observations
CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Sycamore Ave (Hercules). Lane affected. Expect delays.
May 24, 4:45 AM
CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Sycamore Ave (Hercules). Right shoulder affected. Expect delays.
May 24, 4:30 AM
CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Sycamore Ave (Hercules). Right shoulder affected. Expect delays.
May 24, 3:30 AM
CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Sycamore Ave (Hercules). Right shoulder affected. Expect delays.
May 24, 3:15 AM
CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Sycamore Ave (Hercules). Right shoulder affected. Expect delays.
May 24, 3:00 AM
Source: 511_sfbay · ID 511.org/1498867
First seen May 24, 2026 3:00 AM