Porte Molitor is a station constructed in 1923 on a linking of lines 9 and 10 and was originally intended to service the stadiums Parc des Princes and Roland Garros on the nights of matches [REF].
A special tunnel, the voie des Fêtes, links the Place des Fêtes to the Porte des Lilas with an intermediary station called Haxo, constructed in 1921 [REF].