Introduction
Metro railways are also known as rapid transit system. It is a high capacity carrier which transports large number of people across small distances seamlessly. It is run automatically by computer without human intervention. There is no driver who drives it; rather it is run on automatic system. It is used to transport a large of people over short distances in metropolitan or urban cities. The need for metro rails is due to the increase in population, increase in traffic density and reduce fuel usage. Metro networks are environmental friendly, reliant, comfortable and cost efficient way of transportation Metro railways began in 1863 in London to cope up with the increasing demand for quick and mass public transportation. It was started as an underground railway system. Since then there have been no looking back in the development of metros. There have been a lot of developments which have in turn helped the people immensely.
Countries with metro
The metro railway system has spread rapidly all over the world in the past century. As of 2013, metro rail is in 54 countries. There are 7 more countries expected to start metro railways by the end of 2019. There are 188 metro stations across these 54 countries. The world’s largest metro system by both, length of routes and number of stations, is the New York City Subway. The world’s busiest rapid transit systems are Tokyo subway system, the Seoul Metropolitan Subway and the Moscow Metro.
Development
As stated earlier the metro railways began in London in 1863. It was only in 1927 that the metro railways system was setup away from London. It was setup in Tokyo, the first Asian city to have metro railways. Then in 1954 America started the rapid transit system in Toronto. Metro railways then started in Africa. The first metro rail in Africa was in Cairo in the year 1987.
When the metro system was started it was an underground system. There was lot of smoke emitted which caused