THE MOSCOW METRO
In 1923 the Moscow underground railway was designed. In 1935 the Moscow Metro opened with 11 kilometres of line and 13 stations.
The Moscow Metro currently has 182 stations. It is the second most heavily used rapid transport in the world second to the Tokyo twin subway. The metro is 301.2 kilometres (187.2 miles) in length; it has 12 lines and 182 stations. The minimum interval between trains is 90 seconds during the morning and evening rush hours.
THE COLD WAR
The beginning of the Cold War led to the building of a deeper part of the Abatpokroskaya line. The stations on this line are very deep and were planned as shelters in the event of a nuclear war.