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
Banon, Alpes-de-Haute-Provence a small amount sold on the regional market. Currently the surface area of vineyards is insignificant. In late 2010 there were 31 establishments in the secondary sector (industry and construction) employing 55 employees. Banon has become famous for its small goat cheeses wrapped in dry chestnut leaves and tied with raffia strings. The Banon cheese factory employs 38 people. Over 600,000 individual cheeses are produced each year. Banon cheese is the only appellation d'origine contrôlée (AOC) in the Provence-Alpes-Côte d'Azur region. The phosphate mines are closed but the quarry is exploited by "Carrières de Haute-Provence" (Haute-Provence Quarries) who still process