Accident
Moderate Severity
Resolved
CHP : Traffic Collision with Injuries and Traffic Hazard on CA-4 Eastbound west of Marsh Creek Rd (Brentwood). Lanes blocked. Expect delays.
A injury accident was reported on CA-4 E near Contra Costa on May 16, 2026 at 12:04 AM.
Last Updated
5 months, 1 week ago
May 15, 5:45 PM
Resolved
May 15, 11:45 PM
Coordinates
37.8961, -121.7131
Update History
3 observations
CHP : Traffic Collision with Injuries and Traffic Hazard on CA-4 Eastbound west of Marsh Creek Rd (Brentwood). Lanes blocked. Expect delays.
May 15, 5:45 PM
CHP : Traffic Collision with Injuries and Traffic Hazard on CA-4 Eastbound west of Marsh Creek Rd (Brentwood). Lanes affected. Expect delays.
May 15, 5:30 PM
CHP : Traffic Collision with Injuries and Traffic Hazard on CA-4 Eastbound west of Marsh Creek Rd (Brentwood). Lanes affected. Expect delays.
May 15, 5:15 PM
Source: 511_sfbay · ID 511.org/1495071
First seen May 15, 2026 5:15 PM