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
Authon, Alpes-de-Haute-Provence year nearly 400,000 animals used to pass through the slaughterhouses of Sisteron enjoying a certain laxity sought to usurp their provenance. Apples from Alpes de Haute-Durance received a Protected Geographical Indication which was published in the Official Journal of the European Union on 17 April 2010. The IGP covers the apple varieties "Golden Delicious" and "Gala" from six cantons in Alpes-de-Haute-Provence and thirteen cantons in Hautes-Alpes located between 450 metres and 900 metres above sea level. The quality of these apples is linked to their soil and, in particular, the climate of Haute-Durance with over 300 days of sunshine per