The state trunk highway system includes the following in Edmunds and McPherson counties:

From a point on U.S. Highway 12 in Roscoe near the southeast corner of section twenty–four, township one hundred twenty–three north, range seventy–one west, thence north via Roscoe to State Highway 10 near the northeast corner of section two, township one hundred twenty–six north, range seventy–one west.

Source: SL 1984, ch 209, § 92.