Moscow Metro

The Moscow Metro (Russian: Моско́вский метрополите́н, Moskovsky metropoliten; ) is a rapid transit system serving Moscow and the neighbouring Moscow Oblast towns of Krasnogorsk and Reutov. Opened in 1935 with one 11-kilometre (6.8 mi) line and 13 stations, it was the first underground railway system in the Soviet Union. As of 2012, the Moscow Metro has 186 stations and its route length is 308.7 kilometres (191.8 mi). The system is mostly underground, with the deepest section 84 metres (276 ft) at the Park Pobedy station. The Moscow Metro is the world's third most heavily used rapid transit system after Tokyo subway and Seoul Metropolitan Subway.