According to the Oconto County Sheriff's Department, the accident happened around 2:30am Friday in the Town of Townsend on E Burnt Dam Road.
A vehicle was going south, left the road and rolled over.
Two people were inside the vehicle at the time of the crash. The driver was taken to a local hospital. The passenger, a 38-year-old Townsend man was declared dead at the scene.
The accident is under investigation.
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