Accident
High Severity
Resolved
CHP : Disabled tractor trailer on CA-4 Eastbound exiting at Port Chicago Hwy (Concord). Off Ramp blocked. Expect delays.
A high-severity accident was reported on CA-4 E near Contra Costa on July 16, 2026 at 1:47 PM.
Last Updated
2 weeks ago
Jul 16, 8:15 AM
Coordinates
38.0094, -122.0225
Update History
3 observations
CHP : Disabled tractor trailer on CA-4 Eastbound exiting at Port Chicago Hwy (Concord). Off Ramp blocked. Expect delays.
Jul 16, 8:00 AM
CHP : Disabled tractor trailer on CA-4 Eastbound exiting at Port Chicago Hwy (Concord). Off Ramp blocked. Expect delays.
Jul 16, 7:30 AM
CHP : Disabled tractor trailer on CA-4 Eastbound exiting at Port Chicago Hwy (Concord). Off Ramp affected. Expect delays.
Jul 16, 7:00 AM
Source: 511_sfbay · ID 511.org/1521819
First seen Jul 16, 2026 7:00 AM