Accident High Severity Resolved

CHP : Traffic Hazard on I-680 Southbound ramp to CA-4 W (Martinez). Connector ramp affected. Expect delays.

A high-severity accident was reported on I-680 S near Contra Costa on July 7, 2026 at 7:38 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Jul 7, 12:38 PM

Last Updated

3 weeks, 3 days ago

Jul 7, 12:45 PM

Resolved

Jul 7, 7:00 PM

Coordinates

37.9947, -122.0719

Update History

1 observations

CHP : Traffic Hazard on I-680 Southbound ramp to CA-4 W (Martinez). Connector ramp affected. Expect delays. Jul 7, 12:45 PM

Source: 511_sfbay · ID 511.org/1517807 First seen Jul 7, 2026 12:45 PM