Accident
Moderate Severity
Active
CHP : Traffic Collision with Injuries on CA-4 Eastbound east of Arnold Industrial Pl (Concord). Lane blocked. Expect delays.
A injury accident was reported on CA-4 E near Contra Costa on August 26, 2026 at 7:43 AM.
Last Updated
3 minutes ago
Aug 26, 1:15 AM
Coordinates
38.0006, -122.0541
Update History
2 observations
CHP : Traffic Collision with Injuries on CA-4 Eastbound east of Arnold Industrial Pl (Concord). Lane blocked. Expect delays.
Aug 26, 1:00 AM
CHP : Traffic Collision with Injuries on CA-4 Eastbound east of Arnold Industrial Pl (Concord). Lane affected. Expect delays.
Aug 26, 12:30 AM
Source: 511_sfbay · ID 511.org/1540883
First seen Aug 26, 2026 12:30 AM