536 Regional Road 11 Dunnville, Ontario Canada (905) 701-7176Opened in 2004, Dunville Autodrome is a 2.2 km/1.375 mile proving grounds which also hosts testing, lap days and special events. It was ordered to close in 2009 after the Ontario Municipal Board declared that the track activities did not constitute a legal use under the zoning laws, and that the activities were incompatible with the surrounding land uses.