PowerMetro in London
The fastest and the most popular means of transport in London is metro.
Underground know as the Tube is the oldest and one of the most extensive metro systems in the world. You can reach most parts of the London. Underground network is fairly well developed the total length is 402 km. The name indicates the metro underground location but underground is only 181 km of the rest in on its surface. Each line has its own unique and generally recognizable name on the maps is marked with a diffrent color.