 One Canadian auto trail was routed through the UP as well . In 1920 , the King 's International Highway linked Vancouver , British Columbia , to Halifax , Nova Scotia , but there was no highway to carry it around the north side of Lake Superior . <unk> had to ship their cars by boat between <unk> <unk> . Marie , Ontario , and Thunder Bay or enter the United States to continue along the auto trail . The <unk> varied on the maps of the time , but its basic route used US 2 through the UP from <unk> to <unk> <unk> . Marie until a highway north of Lake Superior was opened in 1960 ; by that time , the auto trail had taken on the Trans @-@ Canada Highway name . 
