The Société nationale des chemins de fer français (French pronunciation: ​[sɔsjete nɑsjɔnal de ʃ(ə)mɛ̃ d(ə) fɛʁ fʁɑ̃sɛ]; abbreviated as SNCF [ɛs‿ɛn se ɛf]; French for "National society of French railroads") is France's national state-owned railway company. Founded in 1938, it operates the country's national rail traffic along with Monaco, including the TGV, on France's high-speed rail network. Its functions include operation of railway services for passengers and freight (through its subsidiaries SNCF Voyageurs and ), as well as maintenance and signalling of rail infrastructure (SNCF Réseau). The railway network consists of about 35,000 km (22,000 mi) of route, of which 2,600 km (1,600 mi) are high-speed lines and 14,500 km (9,000 mi) electrified. About 14,000 trains are operated daily.