Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Northbound north of CA-4 W (Martinez). Lane affected. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on September 8, 2026 at 4:01 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Sep 8, 9:01 AM

Last Updated

1 month, 2 weeks ago

Sep 8, 10:30 AM

Resolved

Sep 8, 4:30 PM

Coordinates

37.9977, -122.0735

Update History

2 observations

CHP : Traffic Hazard on I-680 Northbound north of CA-4 W (Martinez). Lane affected. Expect delays. Sep 8, 10:30 AM

CHP : Traffic Hazard on I-680 Northbound north of CA-4 W (Martinez). Lane affected. Expect delays. Sep 8, 9:15 AM

Source: 511_sfbay · ID 511.org/1546322 First seen Sep 8, 2026 9:15 AM