S.D. Codified Laws § 31-4-245 (2026)
The state trunk highway system includes the following in Lawrence County: From a point on U.S. Highway 14 Alternate southwest of Lead in section five, township four north, range three east, thence northwesterly three and one-tenth miles to the intersection of Stewart Slope Road near the northeast corner of section two, township four north, range two east.
Source: SL 1984, ch 209 , § 118; SL 2000, ch 139 , § 1.