50:02:03:04Thoroughfare naming.
Section · Administrative Rules of South Dakota · View on sdlegislature.gov ↗
For the purpose of the rural addressing system, county and township thoroughfares shall be designated according to the following table: THOROUGHFARE DIRECTION OR DESIGN THOROUGHFARE DESIGNATOR East/West Street North/South Avenue Diagonal Road Meandering Road Cul-de-sac Court Begins and ends on same thoroughfare Loop Dead end Place
Source: 19 SDR 108, effective January 24, 1993.