 The A15 was built to relieve the congested RN14 between Paris and the Cergy-Pontoise new town.The A15 is operated by the Île-de-France Council.The motorway is in length and has no tolls
The A15 serves Gennevilliers, Argenteuil, Pierrelaye in Eragny, Saint-Ouen-l'Aumône and Pontoise.