BURNS HARBOR — A Merrillville man died of natural causes Wednesday before driving his semi-trailer truck off the road.
Porter County Coroner Chuck Harris said Dragi Petrov, 56, was traveling westbound on U.S. 20 near Salt Creek Road when he apparently had a medical issue. The truck crossed both lanes of traffic before coming to rest on the south side of the road.
Minimal damage was done to the semi-trailer.
Petrov was transported to a local hospital and pronounced dead in the emergency room.
An autopsy Thursday showed Petrov died from natural causes and not as a result of the accident.
Another vehicle did suffer damage attempting to avoid the semi-trailer.