The state trunk highway system includes the following in Roberts County:
From State Highway 10 east of Sisseton near the southwest corner of section twenty-six, township one hundred twenty-six north, range fifty-one west, thence north, east and north via Rosholt to the North Dakota state line near the northeast corner of section six, township one hundred twenty-eight north, range forty-seven west.
SDCL 31-4-193