The Barcelona Metro (Catalan and Spanish: Metro de Barcelona, Catalan: [ˈmɛtɾu ðə βərsəˈɫonə], Spanish: [ˈmetɾo ðe βarθeˈlona]), part of the public transportation system of Barcelona, Catalonia, is an extensive network of electrified railways that run underground in central Barcelona and above ground into the city's suburbs. Since September 20, 2011, Barcelona Metro system consists of 11 lines with 166 stations and 125 km in total. In 2002 ATM announced that two additional lines would built in the near future, L12 and L13. There have been 3 driverless lines since 2009: Line 11, Line 9 and Line 10, in chronological order.