[6] Line 17 will connect the Plaine Commune employment area to Charles de Gaulle Airport.

It passes a track connection to a maintenance center in Aulnay-sous-Bois, which is shared with line 16, and then bends northwards along the RER B tracks before serving the station Parc des Expositions in Villepinte, which connects with the RER B.

The viaduct then heads east along the D40, before the line goes back underground and bypasses Tremblay-en-France to the north.

The tunnel runs parallel to the LGV Interconnexion Est and passes under the runways of Charles-de-Gaulle airport.

In July 2018, Alstom was selected to supply the rolling stock for the Grand Paris Express project at a cost of €1.3bn for 183 trains.

The specifications of the trains travelling lines 16 and 17 and their operation are as follows:[8] This article related to the Paris Métro is a stub.