Accident
High Severity
Resolved
CHP : Traffic Collision on CA-4 Westbound east of Balfour Rd (Antioch). Lane blocked. Expect delays.
A high-severity accident was reported on CA-4 W near Contra Costa on April 12, 2026 at 10:34 AM.
Last Updated
1 month, 4 weeks ago
Apr 12, 4:15 AM
Resolved
Apr 12, 10:30 AM
Coordinates
37.9204, -121.7322
Update History
3 observations
CHP : Traffic Collision on CA-4 Westbound east of Balfour Rd (Antioch). Lane blocked. Expect delays.
Apr 12, 3:45 AM
CHP : Traffic Collision on CA-4 Westbound east of Balfour Rd (Antioch). Lane blocked. Expect delays.
Apr 12, 3:30 AM
CHP : Traffic Collision on CA-4 Westbound east of Balfour Rd (Antioch). Lane blocked. Expect delays.
Apr 12, 3:15 AM
Source: 511_sfbay · ID 511.org/1480227
First seen Apr 12, 2026 3:15 AM