A rollover on the 401 near London this morning sent one person to hospital and closed 2 lanes of traffic.
The Elgin OPP say the accident happened around 2 am at Furnival Rd.
Police say the Westbound vehicle left the road, went through the ditch, hit a sign and rolled several times.
The lone occupant was rushed to hospital with life threatening injuries.
OPP Technical Investigators are on scene and traffic is being rerouted.