Accident High Severity Active

CHP : Traffic Hazard on I-680 Southbound entering at Chilpancingo Pky (Pleasant Hill). On Ramp affected. Expect delays.

A high-severity accident was reported on I-680 S near Contra Costa on June 18, 2026 at 1:24 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Jun 17, 6:24 PM

Last Updated

8 minutes ago

Jun 17, 7:45 PM

Coordinates

37.9734, -122.0623

Update History

3 observations

CHP : Traffic Hazard on I-680 Southbound entering at Chilpancingo Pky (Pleasant Hill). On Ramp affected. Expect delays. Jun 17, 7:30 PM

CHP : Traffic Hazard on I-680 Southbound entering at Chilpancingo Pky (Pleasant Hill). On Ramp affected. Expect delays. Jun 17, 7:00 PM

CHP : Traffic Hazard on I-680 Southbound entering at Chilpancingo Pky (Pleasant Hill). On Ramp affected. Expect delays. Jun 17, 6:30 PM

Source: 511_sfbay · ID 511.org/1509643 First seen Jun 17, 2026 6:30 PM