S.D. Codified Laws § 31-4-232 (2026)
The state trunk highway system includes the following in Yankton County: From a point on State Highway 50 southeast to the west right-of-way line near the intersection with West 11th Street in Yankton.
Source: SL 1984, ch 209 , § 105; SL 2008, ch 146 , § 1.