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.

Address
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Started
May 7, 6:42 AM
Last Updated
1 month ago
May 7, 8:00 AM
Resolved
May 7, 2:15 PM
Coordinates
37.9995, -122.0761
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