South Dakota Highway 45

South Dakota Highway 45 is a state route that runs north to south across much of central South Dakota. The northern terminus is at the North Dakota border as a continuation of North Dakota Highway 3, and runs south to South Dakota Highway 44 at Platte. It is 198 miles (319 km) in length.

South Dakota Highway 45

South Dakota Highway 45 is a state route that runs north to south across much of central South Dakota. The northern terminus is at the North Dakota border as a continuation of North Dakota Highway 3, and runs south to South Dakota Highway 44 at Platte. It is 198 miles (319 km) in length.