The longest subway in the world
According to the total length of all lines is first among metros in the world is the Shanghai metro with a length of 538 kilometres. This is a fairly young network, it appeared only in 1993, but it quickly became the longest in the world. 14 lines stretch from the downtown to the suburbs to dozens of kilometers. Despite an extensive system and a large number of trains, the Shanghai metro is often crowded. By 2020 it is planned to build several lines in the result, the length of the Shanghai metro will reach 780 kilometres.
The second longest subway in the world also belongs to China is Beijing. Through the capital of China, which covers a huge area – about 17 thousand square kilometers – is 21 line length from 12 to 57 kilometers. Its total length is 465 km.
Beijing subway began in 1965 by the experience of the Moscow builders. At first it was exclusively a military transport, and only in 1976 the line was opened for public access. Most of the lines within the city are numbered, the other leading to the suburbs, have their own names depending on the destination. They pass through the city in the form of a chessboard, forming a perpendicular and parallel lines.
Particularly rapid metro in the Chinese capital began to develop in the XXI century: its beginning was only a little more than 100 kilometers, but this figure is constantly growing, having reached 465 kilometers. By 2015, the length of the Beijing subway is expected to grow to 708 kilometers, to 2020 to achieve unprecedented value – more than a thousand kilometers. Most likely, this metro in near future will occupy the first place in length.
The deepest subway in the world
If we assume the average depth of the subway, the first place among the deepest subways belongs to Pyongyang. In the capital of North Korea railway line occur at an average depth of 120 meters under the ground, and in some places they reach 150 meters. In the rest of the metro of Pyongyang has no features: consists of two lines, the total length is about 22 kilometers.
The deepest metro station – Arsenalna in Kiev, it is at a depth of 105 meters. Although this is the title you can try to challenge: it is located under the hill, which explains its depth – many experts urge to carry out measurements depending on the level of the sea, not the earth's surface. The second depth of the station is located in Saint-Petersburg and is called "Admiralty".