If any portion of a county highway system lies on a state line, the Department of Transportation may confer with the authorities of the bordering state and agree upon the assignment of portions of the highway to the counties of the two states for construction, repair, and maintenance.
S.D. Codified Laws § 31-17-1
County highway system on state line--Agreements for assignment of responsibility
Source: SL 1919, ch 333, § 11; SDC 1939, § 28.0701; SL 2010, ch 145, § 105.
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.