Accident High Severity Resolved

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

A high-severity accident was reported on I-680 N near Contra Costa on July 19, 2026 at 10:53 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Jul 19, 3:53 PM

Last Updated

1 week, 2 days ago

Jul 19, 4:00 PM

Resolved

Jul 19, 10:15 PM

Coordinates

37.9949, -122.0698

Update History

1 observations

CHP : Traffic Hazard on I-680 Northbound ramp to CA-4 W (Martinez). Connector ramp affected. Expect delays. Jul 19, 4:00 PM

Source: 511_sfbay · ID 511.org/1523280 First seen Jul 19, 2026 4:00 PM