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.
Coexistence of administrative and federal aid systems
SDCL § 31-1-7 — under DEFINITIONS AND CLASSES OF HIGHWAYS.
SDCL § 31-1-7