The table illustrates the data of underground railway systems in six major cities, including their opening dates, kilometers of track, and the number of passengers per year in millions.
Overall, a significant number of people travel on the Tokyo underground railway, while Kyoto has the lowest number of passengers using its underground system.
According to the table, the underground railway in London was established in 1863, with a total track length of 394 kilometers. Each year, it serves 775 million passengers. Similarly, the underground track in Paris was constructed in 1990, spanning 199 kilometers.
Next, the railway system in Tokyo opened in 1927 and has a route length of 155 kilometers. It has the highest number of passengers, with 1,928 million traveling annually.
Moreover, the opening date of the Washington, D.C. railway was in 1976, carrying 144 million passengers each year with a route length of 126 kilometers. Additionally, the underground railway system in Kyoto was established in 1981, where only a very low number of passengers, about 45 million, use the service each year.