It was designed as a northern bypass to Montreal and was originally intended to cross the Lake of Two Mountains to connect to Autoroute 40 near Vaudreuil, but that section is unlikely to be constructed. ###>== Description ==Elle a été construite pour contourner Montréal par le nord, dans la mesure où elle devait traverser le lac des Deux-Montagnes ou la rivière des Outaouais et rejoindre l'autoroute 40.