The Kentucky State Police post in Madisonville is investigating a fatal single car crash that happened near the 4900 block of U.S. Highway 62 West.
Police say their investigation determined 20 year-old Trevor Fleming of Drakesboro was driving on U.S. Hwy 62 West when for an unknown reason, his car left the Eastbound shoulder of the road, where it struck a guardrail then a tree.
Officers say Fleming was not wearing a seatbelt, and was ejected from his car.
The Muhlenberg County Coroner says alcohol or drugs are considered to be a contributing factor in the crash.
The investigation is ongoing.