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
Provence Nice and the lower Alps, was detached from Provence and attached to the lands of the Duke of Savoy. The lower Alps were re-attached to France after the Treaty of Utrecht in 1713, but Nice did not return to France until 1860, during the reign of Napoleon III. The administrative region of Provence-Alpes-Cote d'Azur was created in 1982. It included Provence, plus the territory of the Comtat Venaissin around Avignon, the eastern portion of the Dauphiné, and the former county of Nice. The Rhône river, on the western border of Provence, is one of the major rivers of France, and