(1) "Approach" means that section of the highway right-of-way between the outside edge of shoulder and the right-of-way line which is designed as a highway for the movement of vehicles between the highway and the abutting property.

(2) "Department" means the Montana Department of Transportation.

(3) "Person" means an individual, partnership, corporation, organization, or governmental agency.

(4) "Change in use" includes, but is not limited to, changes from residential to commercial, commercial to industrial, residential to industrial, or vice versa; or a change in the volume of traffic or use of an approach.