Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Southbound north of Monument Blvd (Pleasant Hill). Center lanes affected. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on July 18, 2026 at 2:37 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Jul 17, 7:37 PM

Last Updated

1 week, 4 days ago

Jul 17, 8:30 PM

Resolved

Jul 18, 2:45 AM

Coordinates

37.9455, -122.0582

Update History

2 observations

CHP : Traffic Hazard on I-680 Southbound north of Monument Blvd (Pleasant Hill). Center lanes affected. Expect delays. Jul 17, 8:15 PM

CHP : Traffic Hazard on I-680 Southbound north of Monument Blvd (Pleasant Hill). Center lanes blocked. Expect delays. Jul 17, 7:45 PM

Source: 511_sfbay · ID 511.org/1522766 First seen Jul 17, 2026 7:45 PM