Accident
High Severity
Resolved
CHP : Traffic Collision with Injuries and Overturned vehicle on I-680 Southbound exiting at CA-4 W (Martinez). Off Ramp affected. Expect delays.
A high-severity accident was reported on I-680 S near Contra Costa on May 7, 2026 at 1:42 PM.
Last Updated
1 month ago
May 7, 8:00 AM
Coordinates
37.9995, -122.0761
Update History
3 observations
CHP : Traffic Collision with Injuries and Overturned vehicle on I-680 Southbound exiting at CA-4 W (Martinez). Off Ramp affected. Expect delays.
May 7, 7:45 AM
CHP : Traffic Collision with Injuries and Overturned vehicle on I-680 Southbound north of CA-4 W (Martinez). Off Ramp affected. Expect delays.
May 7, 7:30 AM
CHP : Traffic Collision with Injuries and Overturned vehicle on I-680 Southbound north of CA-4 W (Martinez). Right shoulder affected. Expect delays.
May 7, 6:45 AM
Source: 511_sfbay · ID 511.org/1491177
First seen May 7, 2026 6:45 AM