Directional signs must be located and spaced as follows:

1. (1) Signs must be located a minimum of 2,000 feet from an interchange or intersection at-grade along the interstate system and a minimum of 1,000 feet from an interchange or intersection at-grade along the primary system, measured from the nearest point of the beginning or ending of pavement widening at the exit from or entrance to the main-traveled way;
2. (2) Signs must be located a minimum of 2,000 feet from rest areas, parklands, or scenic areas, measured from the boundary line at its intersection with the right-of-way line;
3. (3) Two directional signs facing the same direction of travel must be located a minimum of one mile apart;
4. (4) A maximum of three directional signs pertaining to the same site and facing the same direction of travel may be located along a single route approaching the site;
5. (5) Signs located adjacent to the interstate system must be within 75 air miles of the site; and
6. (6) Signs located adjacent to the primary system must be within 50 air miles of the site.

Source: 6 SDR 99, effective April 13, 1980; transferred from § 70:01:06.03:06, effective November 1, 1986; 13 SDR 129, 13 SDR 134, effective July 1, 1987.

General Authority: SDCL 31-29-80.3.

Law Implemented: SDCL 31-29-63(1) , 31-29-80.3.