ARSD 50:02:03:05
A federal or state highway shall retain its governmental highway number for purposes of the rural addressing system. Highways shall be designated and abbreviated according to the following table:
Type of Highway Designation
State highway SD ####
Federal highway US ###
Source: 19 SDR 108, effective January 24, 1993.
General Authority: SDCL 34-45-16.
Law Implemented: SDCL 34-45-16.