The state trunk highway system includes the following in Edmunds County:

From a point on U.S. Highway 12 west of Roscoe near the southwest corner of section nineteen, township one hundred twenty–three north, range seventy–one west, thence north and west via Hosmer to State Highway 47 north of Bowdle near the northwest corner of section ten, township one hundred twenty–four north, range seventy–three west.

Source: SL 1984, ch 209, § 96.