Highway 3 is a major provincial paved undivided highway in the Canadian province of Saskatchewan. It runs from the Alberta border, continues west as Alberta Highway 45 to the Manitoba border, and then continues east as Highway 77. Highway 3 is about 615 km (382 mi.) long. The CanAm Highway comprises Saskatchewan Highways 35, 39, 6, 2, as well as 2. of Saskatchewan Highway 3 contribute to the CanAm Highway between Melfort and Prince Albert.