 Likewise, the Victoria terminus of the Trans-Canada Highway, located at the foot of Douglas Street and Dallas Road at Beacon Hill Park, is marked by a "mile zero" monument.The usage of miles instead of kilometres at both designations dates back to when the Trans-Canada Highway was completed in the 1960s prior to the metrication in Canada in the 1970s.The system was approved by the Trans-Canada Highway Act of 1949, with construction commencing in 1950.