South Dakota Codified Laws 31-4-150. State Highway 27 from U.S. Highway 12 to North Dakota
The state trunk highway system includes the following in Day and Marshall counties:
(1) From a point on U.S. Highway 12 southeast of Andover near the southeast corner of section eighteen, township one hundred twenty–two north, range fifty–eight west, thence northerly via Langford and Britton to State Highway 10 near the northeast corner of section twenty–six, township one hundred twenty–seven north, range fifty–eight west;
(2) From a point on State Highway 10 east of Britton near the southeast corner of section twenty–three, township one hundred twenty–seven north, range fifty–seven west, thence north to the North Dakota state line near the northeast corner of section two, township one hundred twenty–eight north, range fifty–seven west.
Source: SL 1984, ch 209, § 23.