The purposes of AS 19.25.080 - 19.25.180 are
(1) to protect the public safety and the welfare of persons using the highways of the state by having outdoor advertising signs, displays, and devices along the highways controlled;
(2) to prevent unreasonable distraction of operators of motor vehicles; to prevent confusion with regard to traffic lights, signs, or signals, or other interference with the effectiveness of traffic regulations, and to promote the safety, convenience, and enjoyment of travel on, and protection of the public investment in, highways in this state; to preserve and enhance the natural scenic beauty or aesthetic features of the highways and adjacent areas; and to attract tourists;
(3) to regulate outdoor advertising signs, displays, and devices in areas adjacent to the rights-of-way of the interstate, primary, and secondary systems within this state in accordance with this chapter and the regulations adopted under this chapter;
(4) to provide that outdoor advertising signs, displays, and devices that are not in conformity with the requirements of this chapter are a public nuisance;
(5) to provide a statutory basis for regulation of outdoor advertising signs, displays, and devices consistent with the public policy declared by the Congress relating to areas within and adjacent to the right-of-way of a highway of the interstate, primary, or secondary systems.