Accident
High Severity
Stale
CHP : Traffic Collision on CA-4 Eastbound exiting at Railroad Ave (Pittsburg). Off Ramp affected. Expect delays.
A high-severity accident was reported on CA-4 E near Contra Costa on June 12, 2026 at 1:41 AM.
Last Updated
1 hour, 40 minutes ago
Jun 11, 7:15 PM
Coordinates
38.0180, -121.8941
Update History
3 observations
CHP : Traffic Collision on CA-4 Eastbound exiting at Railroad Ave (Pittsburg). Off Ramp affected. Expect delays.
Jun 11, 7:00 PM
CHP : Traffic Collision on CA-4 Eastbound west of Railroad Ave (Pittsburg). Off Ramp affected. Expect delays.
Jun 11, 6:45 PM
CHP : Traffic Hazard on CA-4 Eastbound west of Railroad Ave (Pittsburg). Right shoulder affected. Expect delays.
Jun 11, 6:30 PM
Source: 511_sfbay · ID 511.org/1507132
First seen Jun 11, 2026 6:30 PM