South Dakota Codified Laws
Chapter 01 - Definitions And Classes Of Highways
Section 31-1-7 - Coexistence of administrative and federal aid systems.

31-1-7. Coexistence of administrative and federal aid systems.
To further clarify the relation of the administrative and federal aid systems as defined in §§31-1-5 and 31-1-6 be it known that any of the federal aid systems may be coexistent with any of the administrative systems.

Source: SL 1955, ch 106, §3; SDC Supp 1960, §28.0240.