OPP are investigating a tractor trailer that crashed off Highway 401 in Puslinch.
They say the tractor trailer was going eastbound on the 401 on Monday night when it left the roadway near Guelph Line at around 8:30 p.m.
Investigators say the tractor trailer jumped the snowbank, travelling 100 metres before crashing into trees and into a frozen swamp.
There were minor injuries reported.
Crews were able to remove the truck Tuesday morning and all lanes were reopened to traffic.