Accident Moderate Severity Resolved

CHP : Traffic Collision and Traffic Hazard on I-680 Southbound south of CA-4 W (Martinez). Lane affected. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on September 4, 2026 at 3:48 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Sep 3, 8:48 PM

Last Updated

1 month, 3 weeks ago

Sep 3, 9:15 PM

Resolved

Sep 4, 3:15 AM

Coordinates

37.9995, -122.0761

Update History

1 observations

CHP : Traffic Collision and Traffic Hazard on I-680 Southbound south of CA-4 W (Martinez). Lane affected. Expect delays. Sep 3, 9:00 PM

Source: 511_sfbay · ID 511.org/1545019 First seen Sep 3, 2026 9:00 PM