The Elgin County Ontario Provincial Police (OPP) responded to a report of a single vehicle collision on Imperial Road around 7:30 a.m. on December 13, 2019.
A north bound black 1995 pickup truck lost control and entered the westbound ditch striking a hydro poll, then rolling over.
Malahide Fire Services along with St. Thomas Elgin Paramedics attended the scene.
Air ambulance transported the 19-year-old Aylmer, Ontario driver to hospital with serious injuries.
Imperial Road will remain closed between John Wise Line and Conservation Line in order for Hydro One to complete repairs. Once this is done, the roadway will be reopened.
The driver of the vehicle is now listed in stable condition.
The investigation into the collision continues.