The state trunk highway system includes the following in Stanley and Hughes counties:

From a point on State Highway 1806 in the northeast quarter of section thirty–one, township six north, range thirty–one east, thence northeast across Oahe Dam to State Highway 1804 in the northwest quarter of section six, township one hundred eleven north, range seventy–nine west.

Source: SL 1984, ch 209, § 78.