The table illustrates the data of subway systems in six towns.
Overall, It can be seen that London’s underground railway is the oldest and has the longest route. While Tokyo railway system has the highest number of people per year. However, Kyoto subway appear to have the lowest number of passengers and travel distance.
In detail, London’s underground railway was opened in 1863 with 775 million passengers per year. Followed by Paris and Tokyo railway systems build in early 1900, with 1191 and 1928 million people per year, which is the highest number of commuters among all cities. About the length of route, it is 394, 199 and 155 kilometres, respectively.
As for more recent undergrounds, Washington DC has 144 million passengers per year, with the 126 kilometres of route. While in the remaining two towns, Kyoto and Los Angeles, the length is 11 and 28 kilometres. Kyoto subway was build in 1981, while Los Angeles, the latest, was build in 2001. Both with approximately 45-50 million people each year.
