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-Alpes-Côte d'Azur tourist destinations, welcoming about 34 million tourists every year. The service sector predominates and provides a good many jobs. In 2009, the region was admittedly affected by the global economic crisis, albeit to a small extent. It is (after the Paris area) the 2nd French region with regards to business startups. If tourism is the driving force of Provence-Alpes-Côte d'Azur, the region is also a leader when it comes to innovative sectors, such as high technology, biotechnology, and microelectronics. Education, for its part, is well developed with the region's various universities, international schools, preparatory classes for specialist university courses, and