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

From State Highway 52 near Gavins Point Dam in the northwest quarter of section seventeen, township ninetythree north, range fiftysix west, thence north to State Highway 50 northwest of Yankton near the northeast corner of section six, township ninetythree north, range fiftysix west.

Source: SL 1984, ch 209, § 72.