O.P.P. shut down all lanes of the southbound 427 near the 409 early Thursday morning.
Around 12:45, a 46 year old man from Etobicoke was killed when his Dodge Caravan hit the barrier and rolled several times.
O.P.P. say he was pronounced dead at the scene, but there's no word on what caused the collision.
O.P.P. re-opened all lanes of the southbound 427 at 5:30 a.m.