Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Northbound south of Arthur Rd (Martinez). Left lane blocked. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on September 18, 2026 at 7:40 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Sep 18, 12:40 PM

Last Updated

1 month, 1 week ago

Sep 18, 1:00 PM

Resolved

Sep 18, 7:00 PM

Coordinates

38.0056, -122.0825

Update History

2 observations

CHP : Traffic Hazard on I-680 Northbound south of Arthur Rd (Martinez). Left lane blocked. Expect delays. Sep 18, 1:00 PM

CHP : Traffic Hazard on I-680 Northbound south of Arthur Rd (Martinez). 2nd lane from the left blocked. Expect delays. Sep 18, 12:45 PM

Source: 511_sfbay · ID 511.org/1551395 First seen Sep 18, 2026 12:45 PM