A55 autorouteThe A55 autoroute is a free motorway in southern France. It is long.The road starts at Marseille at La Joliette and ends to the west of Martigues where it becomes the N568 towards Arles and Nîmes.HistoryThe first section was opened in 1972. The last section was completed connecting this junction to the Old [Port of Marseille|Vieux-Port] of Marseille in 1989.FutureThis motorway will be extended towards Arles by upgrading the N568 over the Plaine [de la Crau]. No date has been scheduled as yet, only a by-pass for Port-de-Bouc which is currently being evaluated.