d. To change or relocate any existing roads that the Department of Transportation owns or acquires.
All changes or alterations authorized by this subdivision are subject to G.S. 136-54 to G.S. 136-63, to the extent that those sections are applicable.
Nothing in this Chapter authorizes the Department of Transportation to allow or pay anything to any county, township, city, or town, or to any board of commissioners or governing body thereof, for any existing road or part of any road heretofore constructed by the county, township, city, or town, unless a contract has already been entered into with the Department of Transportation.