The table below gives information about the underground railway systems in six cities.

The table shows the details regarding the underground railway systems in six cities.

London has the oldest underground railway systems among the six cities. It was opened in the year 1863, and it is already lye years old. Paris is the second oldest, in which it was opened in the year 1900. This was then followed by the opening of the railway systems in Tokyo, Washington DC and Kyoto. Los Angeles has the newest underground railway system, and was only opened in the year 2001. In terms of the size of the railway systems, London, For certain, has the largest underground railway systems. It has 394 kilometres of route in total, which is nearly twice as large as the system in Paris. Kyoto, in contrast, has the smallest system. It only has 11 kilometres of route, which is more than 30 times less than that of London.

Interestingly, Tokyo, which only has 155 kilometres of route, serves the greatest number of passengers per year, at 1927 millions passengers. The system in Paris has the second greatest number of passengers, at 1191 millions passengers per year. The smallest underground railway system, Kyoto, serves the smallest number of passengers per year as predicted.

In conclusion, the underground railway systems in different cities vary a lot in the site of the system, the number of passengers served per year and in the age of the system.