81. It then crosses over the Little Minnesota River. After a curve to the south and then to the southeast, it reaches its eastern terminus at the Minnesota state line. Here, the roadway continues as Minnesota State Highway 28 (MN 28). History SD 10 was formerly the "Glacier Trail". It was also formerly known as South Dakota Highway 12. The highway was redesignated in 1927, presumably to avoid confusion with nearby US 12. The segment of the highway west of US 83 was added in the early 1960s. Major intersections See also List of state highways in South Dakota References External links The Unofficial South Dakota Highways Page: Highways 1-30 0010 Transportation in Campbell County, South Dakota Transportation in McPherson County, South Dakota Transportation in Brown County, South Dakota Transportation in Marshall County, South Dakota Transportation in Roberts County, South Dakota