1. For the purpose of law enforcement, a corporation project shall be treated as a commission highway under chapter 43.
2. All laws of this state relating to maintaining, signing, damaging, and obstructing roads shall apply to corporation projects. The duties and powers imposed by such laws on certain officials shall devolve upon the corporation engineer or other employee designated by the board.
3. For outdoor advertising and junkyard control purposes, a corporation project may be designated by the commission as a part of the state primary highway system.