 Highway 2 is a provincial highway in the Canadian province of Saskatchewan . It is the longest Saskatchewan Highway , at 809 km ( 503 mi ) . The highway is partially divided and undivided . However , only about 18 kilometres ( 11 mi ) near Moose Jaw , 11 kilometres ( 6 @.@ 8 mi ) near Chamberlain , and 21 kilometres ( 13 mi ) near Regina are divided .
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The highway begins at the Manitoba border near Carberry . It then travels east through Moose Jaw , Regina , and Saskatoon to the Alberta border near St. Wan .