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
Barras, Alpes-de-Haute-Provence Barras, Alpes-de-Haute-Provence Barras is a commune in the Alpes-de-Haute-Provence department in the Provence-Alpes-Côte d'Azur region of south-eastern France. The inhabitants of the commune are known as "Barrasiens" or "Barrasiennes". Barras is located some 6 km west of Digne-les-Bains and 14 km south-east of Sisteron. The highest point in the commune is the summit of Ruth (1298m). The sole access to the commune is the D17 road which branches from Route nationale N85 at Mallemoisson and goes north through the commune and the village and continues north to jooin the D3 near Thoard. Apart from the village there are the hamlets