Provence-Alpes-Côte d'Azur daily basis, but cities are investing in public transport networks such as Marseille's subway (2 lines) and tramway (3 lines), Aubagne's tramway (1 line) and Nice's tramway (1 line). Other networks existed at the beginning of the 20th century in smaller cities such as Aix-en-Provence, Avignon, La Ciotat and Toulon but are now gone. Major universities of the region include the Aix-Marseille University, the University of Toulon, the University of Avignon and the University of Nice Sophia Antipolis. Other towns have higher education classes but no Universities. Provence-Alpes-Côte d'Azur Provence-Alpes-Côte d'Azur (; ; ; PACA) is one of the 18
2015 Provence-Alpes-Côte d'Azur regional election in the 6 departments(4 members for Alpes-de-Haute-Provence, 4 for Hautes-Alpes, 28 for the Alpes-Maritimes, 47 for the Bouches-du-Rhône, 27 for the Var and 13 for Vaucluse Provence-Alpes-Côte d'Azur uses a two-round runoff system to elect the regional president, and if not candidate win at least 50% on the first round there are another and definitive round. The first round election was held on 6 December 2015. Runoff elections were held on 13 December 2015 in regions where no candidate was able to win outright in the first round. Christian Estrosi won the second round with nearly 55% of the vote,