Accident Moderate Severity Resolved

CHP : Traffic Collision on I-680 Southbound north of CA-4 W (Martinez). 2nd lane from the left blocked. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on October 20, 2026 at 4:09 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Oct 20, 9:09 AM

Last Updated

1 week ago

Oct 20, 9:45 AM

Resolved

Oct 20, 3:45 PM

Coordinates

38.0055, -122.0826

Update History

2 observations

CHP : Traffic Collision on I-680 Southbound north of CA-4 W (Martinez). 2nd lane from the left blocked. Expect delays. Oct 20, 9:45 AM

CHP : Traffic Collision on I-680 Southbound north of CA-4 W (Martinez). Center lane blocked. Expect delays. Oct 20, 9:15 AM

Source: 511_sfbay · ID 511.org/1566210 First seen Oct 20, 2026 9:15 AM