The provisions of this chapter do not alter the duties of the department in laying out, constructing, or maintaining the state trunk highway system, nor do they prohibit or require that the interstate system follow or cease to follow any of the designated portions of the state trunk system.
S.D. Codified Laws § 31-7-14
Trunk highway system unaffected
Source: SL 1955, ch 104, § 6; SDC Supp 1960, § 28.0236; SL 2010, ch 145, § 60.
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.