Trans-Siberian railway in Siberia is the longest railway track in the world. It has a length of 9,289 kilometres. It is also one of the busiest railway tracks in the world. The construction of the track started in 1891. The first train was launched in 1894. Along with the construction of the Trans-Siberian Railway, nearby cities and towns were also constructed. This included building of train stations, depots, station buildings, houses, schools, colleges and even churches.