Accident
High Severity
Resolved
CHP : Traffic Collision with Injuries on CA-242 N-CA-4 E Ramp Northbound ramp to CA-4 E (Concord). Connector ramp affected. Expect delays.
A high-severity accident was reported on CA-242 N-CA-4 E Ramp near Contra Costa on June 7, 2026 at 12:24 PM.
Last Updated
5 days, 9 hours ago
Jun 7, 9:00 AM
Coordinates
38.0075, -122.0324
Update History
5 observations
CHP : Traffic Collision with Injuries on CA-242 N-CA-4 E Ramp Northbound ramp to CA-4 E (Concord). Connector ramp affected. Expect delays.
Jun 7, 8:30 AM
CHP : Traffic Collision with Injuries on CA-4 Eastbound at CA-242 N (Concord). Lane blocked. Expect delays.
Jun 7, 5:30 AM
CHP : Traffic Collision with Injuries on CA-4 Eastbound at CA-242 N (Concord). Lane blocked. Expect delays.
Jun 7, 5:15 AM
CHP : Traffic Collision with Injuries on CA-4 Eastbound at CA-242 N (Concord). Lane blocked. Expect delays.
Jun 7, 4:45 AM
CHP : Traffic Collision with Injuries on CA-4 Eastbound at CA-242 N (Concord). Lanes blocked. Expect delays.
Jun 7, 4:30 AM
Source: 511_sfbay · ID 511.org/1504860
First seen Jun 7, 2026 4:30 AM