Butovskaya line

Moscow Metro line Butovskaya lineOverviewOwnerMoskovsky MetropolitenLocaleMoscowTerminiBittsevsky Park (northern)Buninskaya Alleya (southern)Stations7ServiceTypeRapid transitSystemMoscow MetroOperatorMoskovsky MetropolitenRolling stock81-740/74181-740/741.181-740А/741А81-740.4/741.4Ridership17.70 million (2012)HistoryOpened27 December 2003; 22 years ago (27 December 2003)Last extension2014TechnicalLine length10 kilometres (6.2 mi)CharacterUnderground & ElevatedTrack gauge1,520 mm (4 ft 11+27⁄32 in)ElectrificationThird rail Route map Legend Bittsevsky Park Lesoparkovaya MKAD Ulitsa Starokachalovskaya connection to Line Ulitsa Skobelevskaya Bulvar Admirala Ushakova Ulitsa Gorchakova () Buninskaya Alleya This diagram: viewtalkedit The Butovskaya line (Russian: Бу́товская ли́ния, IPA: [ˈbutəfskəjə ˈlʲinʲɪjə]) (Line 12; Periwinkle Line) is a line of the Moscow Metro that serves Russia's capital Moscow. The line was an experiment for building rapid-transit in areas where boring or excavation for Metro tunnels is considered expensive and impractical. Previously, attempts had been made to build lines at ground level, like the Filyovskaya line, but harsh Russian