A 46-year-old New Tecumseth man suffered life-altering injuries after OPP say he was struck by a CPKC freight train on Friday.
Police say it happened shortly after 2 a.m. in the area of Boyne Street and 3rd Line in Alliston.
The man was airlifted to a Toronto trauma centre.
Nottawasaga OPP are continuing their investigation with the assistance of CPKC Police Service.