 Similarly, upgrading to a dual carriageway for access of Maupertus Airport is envisaged.The D650 is used to connect Cherbourg to the west coast of the Cotentin peninsula.Departing from Cherbourg, the D650 takes a southwesterly direction to Les Pieux and then along to join the "Côte des Isles" (the Channel Islands coast) to Barneville-Carteret.