31-7-1. Definition of terms.Terms used in this chapter mean:(1)'National system of interstate highways,' includes all highways that have been or may become eligible for development with funds provided by federal highway acts for use on the interstate system;(2)'Control areas,' a control area is a metropolitan area, first or second class municipality, or industrial center, defense installation, a topographic feature such as a mountain pass, a favorable river crossing, a hub road which would result in material traffic increment on the interstate route, a section of completed expressway, or a place on the common boundary of two states agreed to by the states concerned;(3)'Intermediate control points,' an intermediate control point is either end of an acceptable section on final location of an interstate route;(4)'Department,' the Department of Transportation. Source: SL 1955, ch 104, §2; SDC Supp 1960, §28.0232; SL 2010, ch 145, §48.
South Dakota Legal Code