The Nice tramway (French: Tramway de Nice) is a 8.7-kilometre (5.4 mi), single-line tramway in the city of Nice in Provence-Alpes-Côte d'Azur, France. It is operated by the Société nouvelle des transports de l'agglomération niçoise division of Veolia Transdev under the name Lignes d'azur. Opened on 24 November 2007, it replaced bus lines 1, 2, 5 and 18. From the start, the system had 20 Alstom Citadis trains in service, providing a frequency of seven minutes.