SDCL § 31-4-147: State Highway 22 from U.S. Highway 212 to Minnesota.

The state trunk highway system includes the following in Hamlin and Deuel counties:

(1) From Hazel to U.S. Highway 81 south of Watertown near the northeast corner of section nineteen, township one hundred fifteen north, range fifty-two west;

(2) From a point on U.S. Highway 81 south of Watertown near the northwest corner of section thirty-two, township one hundred fifteen north, range fifty-two west, thence easterly to the Minnesota state line east of the southwest corner of section thirty-three, township one hundred fifteen north, range forty-seven west.