The national railway network, state-owned and operated by Rete Ferroviaria Italiana (FSI), in 2008 totalled  of which  is electrified, and on which 4,802 locomotives and railcars run. The main public operator of high-speed trains is Trenitalia, part of FSI. Higher-speed trains are divided into three categories: Frecciarossa () trains operate at a maximum speed of 300 km/h on dedicated high-speed tracks; Frecciargento () trains operate at a maximum speed of 250 km/h on both high-speed and mainline tracks; and Frecciabianca () trains operate on high-speed regional lines at a maximum speed of 200 km/h. Italy has 11 rail border crossings over the Alpine mountains with its neighbouring countries.