to Iglesias and Carbonia. Orientale Sarda, which connects Cagliari to Tortolì and Olbia, ending in Palau, across from Corsica. Sulcitana, connecting Cagliari with Sulcis along the coast. Cagliaritana del Gerrei, to Ballao and Ogliastra. Provincial Road 17 connects Poetto Villasimius. Ports The port of Cagliari is divided in two sector, the old port and the new international container terminal. The port system of Cagliari-Sarroch is the third for freight traffic in Italy with a movement of about 38 million tons in 2017. Cagliari has scheduled services by passenger ship to Civitavecchia, Naples and Palermo. In Cagliari there are also two other small touristic ports, Su Siccu (Lega Navale) and Marina Piccola. Railways The Ferrovie dello Stato railway station in Cagliari has services to Iglesias, Carbonia, Olbia, Golfo Aranci, Sassari and Porto Torres. The nearby commune of Monserrato is the terminal railway station of a narrow gauge line to Arbatax and Sorgono. Urban and suburban mobility Bus and trolleybus services, managed by CTM (more than 30 lines) and ARST, connect internal destinations in the city and in the metropolitan area; Cagliari is one of the few Italian cities with an extensive trolleybus network, whose fleet has been partially renovated in 2012. A metro-like tram service on its own rail, MetroCagliari, operates between Piazza Repubblica and the new university campus near Monserrato (line 1) and from Monserrato San Gottardo and Settimo San Pietro (line 2). A line between Piazza Repubblica and Piazza Matteotti, the city transport hub (with train, urban and extra-urban bus stations), is planned. Trenitalia, the primary train operator in Italy, operates a metro train service between Cagliari Central Station and Decimomannu, which connects the airport with the city center. A public bike-sharing service is operating with pick-up points at Via Sonnino - Palazzo Civico, Piazza Repubblica, Piazza Giovanni 23, and Marina Piccola. Twin towns – sister cities Cagliari is twinned with: Buenos Aires, Argentina Nanyuki, Kenya Pisa, Italy Vercelli, Italy Turin, Italy Padua, Italy, 2002 Biella, Italy, 2003 Consulates In Cagliari there are at present (2018) the following consulates: Notes References Citations Bibliography . Further reading In English: Andrews Robert, The Rough Guide to Sardinia, Publisher: Rough Guide Ltd, 2010, . Dyson, Stephen L. - Roland Jr. Robert, Archaeology and History in Sardinia from the Stone Age to the Middle Ages: Shepherds, Sailors, and Conquerors, 2007. Freytag-Berndt, Sardinia Travel Map. Lawrence D. H., Sea and Sardinia Parker, Philip M.,