The Nizhny Novgorod Metro, formerly known as the Gorky Metro, is a rapid-transit system serving the city of Nizhny Novgorod, Russia. Opened in 1985, it has 15 stations and is 21.6 kilometers long. The metro connects to the city rail and the Nizhny Novgorod Central Diameters system at Moskovskaya station. It has the third largest number of stations of any Russian metro system, the largest two stations being Moscow and Saint Petersburg. The metro has 15 stations, of which 14 are underground. There is also a ghost station: Yarmarka, the construction of which was abandoned in favor of Strelka station. The system consists of two lines, with one cross-platform interchange at Moskovskaya. After the construction of Line 3 (Nagornaya), there will be two more transfer stations: Operny Teter and Olgino.