Ontario Provincial Police have re-opened Hwy. 401 near Dutton after a crash involving two tractor-trailers early Tuesday morning.
The collision forced the closure of the westbound lanes near Currie Road for about five hours.
The crash happened around 5 a.m. Sgt. David Rektor said one of the trucks was hit from behind as it exiting a service centre.
Rektor said only one minor injury resulted.