Accident
Resolved
CHP : Traffic Collision with Injuries on CA-4 Westbound west of Byron Hwy (Brentwood). Lanes open. Expect delays.
A accident was reported on CA-4 W near Contra Costa on July 25, 2026 at 10:33 AM.
Last Updated
3 days ago
Jul 25, 6:30 AM
Resolved
Jul 25, 12:45 PM
Coordinates
37.8965, -121.6413
Update History
2 observations
CHP : Traffic Collision with Injuries on CA-4 Westbound west of Byron Hwy (Brentwood). Lanes open. Expect delays.
Jul 25, 3:45 AM
CHP : Traffic Collision with Injuries on CA-4 Westbound west of Byron Hwy (Brentwood). Lanes open. Expect delays.
Jul 25, 2:15 AM
Source: 511_sfbay · ID 511.org/1526021
First seen Jul 25, 2026 2:15 AM