Aussi, pourrait-on envisager la mise en place a terme sur le modele des "Autorites" americaines, dont la "New- York New Jersey Port Authority" est l'illustration, d'"Agence(s) d'infrastructures" qui soient a la fois structures de decision commune, entites proprietaires de grands ouvrages, et societes financieres.
Consequently, it might be necessary to establish an Infrastructure Agency (or Agencies), modelled on the American "Authorities", e.g. the New York and New Jersey Port Authority, responsible for joint decision-making, and for owning and financing major projects.