Milton is a town in Southern Ontario, Canada, and part of the Halton Region in the Greater Toronto Area. The town received a significant amount of attention after the 2006 and 2011 censuses indicated that Milton was the fastest growing municipality in the Greater Golden Horseshoe, with a 71.4% increase in population between 2001 and 2006, and a 56.4% increase in population between 2006 and 2011. In early 2014, Milton's population was estimated to be 102,000 with an estimated growth to 228,000 by 2031. Milton is located 40 km (25 mi) west of Downtown Toronto on Highway 401, and is the western terminus for the Milton line commuter train and bus corridor operated by GO Transit. Milton is on the edge of Niagara Escarpment, a UNESCO world biosphere reserve and the Bruce Trail.