SDCL § 31-4-175: State Highway 71 from Nebraska to U.S. Highway 18 Bypass.

The state trunk highway system includes the following in Fall River County:

From the Nebraska state line south of Ardmore near the south quarter corner of section sixteen, township twelve south, range four east, thence northerly via Ardmore to U.S. Highway 18 Bypass at Hot Springs in the southwest quarter of section twenty-four, township seven south, range five east.