SALEM, IL — The Illinois State Police have released initial information about a fatal traffic crash on I-57 near Salem Thursday morning around 1:30. An Arkansas semi driver was killed after he ran off the northbound interstate and struck the overpass median for Levy Road.

At this time, his name has not been released pending notification of family.

Marion County Coroner pronounced the man dead at the scene after the Salem Fire Protection District extricated him as his body was trapped inside the truck. ISP says the reason for the man entering the median is unknown but Coroner Troy Cannon said it appeared the driver had a medical episode at some point before the accident.