Idaho Code § 40-2201
A portion of the territory of an existing highway district, provided that the district is not a single county-wide highway district organized under the provisions of chapter 14, title 40 , Idaho Code, whether the district is situated wholly in one (1) or more counties, may be detached from the highway district and established as a new highway district as provided in this chapter.
[(40-2201) 40-2101, added 1994, ch. 331, sec. 1, p. 1061; am. and redesig. 2005, ch. 25, sec. 82, p. 117.]