Accident
High Severity
Resolved
CHP : Severe traffic alert and Traffic Collision with Injuries on CA-4 Westbound east of Bailey Rd (Pittsburg). Left lanes blocked. Expect delays.
A high-severity accident was reported on CA-4 W near Contra Costa on April 11, 2026 at 1:00 AM.
Last Updated
1 month, 4 weeks ago
Apr 10, 8:00 PM
Coordinates
38.0202, -121.9052
Update History
5 observations
CHP : Severe traffic alert and Traffic Collision with Injuries on CA-4 Westbound east of Bailey Rd (Pittsburg). Left lanes blocked. Expect delays.
Apr 10, 7:45 PM
CHP : Severe traffic alert and Traffic Collision with Injuries on CA-4 Westbound east of Bailey Rd (Pittsburg). Left lanes blocked. Expect delays.
Apr 10, 7:30 PM
CHP : Severe traffic alert and Traffic Collision with Injuries on CA-4 Westbound east of Bailey Rd (Pittsburg). Left lanes blocked. Expect delays.
Apr 10, 6:45 PM
CHP : Severe traffic alert and Traffic Collision with Injuries on CA-4 Westbound between Railroad Ave (Pittsburg) and Bailey Rd (Pittsburg). All lanes blocked. Avoid the area.
Apr 10, 6:30 PM
CHP : Traffic Collision with Injuries on CA-4 Westbound east of Bailey Rd (Pittsburg). Lanes blocked. Expect delays.
Apr 10, 6:15 PM
Source: 511_sfbay · ID 511.org/1479565
First seen Apr 10, 2026 6:15 PM