Accident Moderate Severity Resolved

CHP : Traffic Collision on I-680 Northbound north of CA-4 E (Martinez). Left lanes blocked. Expect delays.

A injury accident was reported on I-680 N near Contra Costa on May 9, 2026 at 1:03 AM.

Road

I-680 N

Area

Contra Costa

Address

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Started

May 8, 6:03 PM

Last Updated

5 months, 2 weeks ago

May 8, 6:30 PM

Resolved

May 9, 12:30 AM

Coordinates

37.9977, -122.0736

Update History

3 observations

CHP : Traffic Collision on I-680 Northbound north of CA-4 E (Martinez). Left lanes blocked. Expect delays. May 8, 6:30 PM

CHP : Traffic Collision on I-680 Northbound north of CA-4 E (Martinez). Left lanes blocked. Expect delays. May 8, 6:15 PM

CHP : Traffic Collision on I-680 Northbound at CA-4 E (Martinez). Lane affected. Expect delays. May 8, 6:00 PM

Source: 511_sfbay · ID 511.org/1492041 First seen May 8, 2026 6:00 PM