Accident Moderate Severity Resolved

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

A injury accident was reported on I-680 S near Contra Costa on October 20, 2026 at 4:12 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Oct 20, 9:12 AM

Last Updated

6 days, 23 hours ago

Oct 20, 9:15 AM

Resolved

Oct 20, 3:15 PM

Coordinates

37.9995, -122.0761

Update History

1 observations

CHP : Traffic Hazard on I-680 Southbound south of CA-4 W (Martinez). Left lane affected. Expect delays. Oct 20, 9:15 AM

Source: 511_sfbay · ID 511.org/1566212 First seen Oct 20, 2026 9:15 AM