Above-ground public transport in Rome is made up of a bus, tram and urban train network (FR lines). The bus, tram, metro and urban railways network is run by ''Atac S.p.A.'' (which originally stood for the Municipal Bus and Tramways Company, ''Azienda Tramvie e Autobus del Comune'' in Italian). The bus network has in excess of 350 bus lines and over eight thousand bus stops, whereas the more-limited tram system has  of track and 192 stops. There is also one trolleybus line, opened in 2005, and additional trolleybus lines are planned.