Accident
Moderate Severity
Resolved
CHP : Traffic Collision with Injuries on CA-4 Westbound west of Laurel Rd (Antioch). Left lane blocked. Expect delays.
A injury accident was reported on CA-4 W near Contra Costa on September 3, 2026 at 9:20 PM.
Last Updated
1 month, 3 weeks ago
Sep 3, 3:15 PM
Coordinates
37.9865, -121.7494
Update History
3 observations
CHP : Traffic Collision with Injuries on CA-4 Westbound west of Laurel Rd (Antioch). Left lane blocked. Expect delays.
Sep 3, 3:00 PM
CHP : Traffic Collision with Injuries on CA-4 Westbound west of Laurel Rd (Antioch). Left lane blocked. Expect delays.
Sep 3, 2:45 PM
CHP : Traffic Collision with Injuries on CA-4 Westbound west of Laurel Rd (Antioch). Lane blocked. Expect delays.
Sep 3, 2:30 PM
Source: 511_sfbay · ID 511.org/1544832
First seen Sep 3, 2026 2:30 PM