Troopers with Kentucky State Police, Post 1 are investigating a Thursday afternoon collision in which a Lyon County woman was killed.

Just after 1 p.m., dispatchers received a call regarding an injury collision near the intersection of KY 730 and Dianne Drive in Lyon County.

Authorities said initial investigation showed Amy S. Phelps, 53, of Eddyville, was traveling west on KY 730 when, for unknown reasons, her vehicle left the roadway and struck a culvert.

After striking the culvert, the vehicle struck an embankment and overturned. Phelps was not wearing her seat belt at the time of the collision and was partially ejected from the vehicle, authorities said.

She was pronounced dead at the scene by the Lyon County coroner.

The investigation is ongoing by Trooper Derek Scott. Kentucky State Police, Post 1 was assisted on scene by the Lyon County Sheriff’s Office, Lyon County EMS, Eddyville Fire Department, and the Lyon County Coroner’s Office.