The table illustrates information regarding the undergrown 
railway
 systems of six different cities. Use synonyms
In particular
, the opening date, the Linking Words
kilometres
 of the route and the number of Use synonyms
passengers
 each year can be seen.
 
The most notable feature is the opening date of Use synonyms
London
, which precedes the second oldest Use synonyms
railway
, Use synonyms
Paris
 of almost 40 years. More precisely, Use synonyms
London
 underground opened in 1863, Use synonyms
while
 Linking Words
Paris
 in 1900. After them, there is Tokyo, which opened in 1927, and after that in thirty years from 1976 to 2001 Washington, Kyoto and Los Angeles developed their own underground. Use synonyms
Furthermore
, Linking Words
London
 has the longest Use synonyms
railway
 system, with 394 Use synonyms
kilometres
, followed again by Use synonyms
Paris
, with 199 and Tokyo with 155. Use synonyms
On the other hand
, Los Angeles and Kyoto are the only cities with under 100 Linking Words
kilometres
 of Use synonyms
railway
, which is respectively 11 km and 28 km. Use synonyms
Conversely
, regarding the number of Linking Words
passengers
, Tokyo’s underground is by far the most used, with 1,9 billion Use synonyms
passengers
 each year, 800 million more than Use synonyms
Paris
 and more than 1 billion more than Use synonyms
London
. The other three cities have limited numbers in comparison, with DC underground which serves 144 million Use synonyms
passengers
 each year, Los Angeles at 50 and Kyoto at 45.
In conclusion, it can be said that there are some major differences in all the categories between the three oldest undergrounds and the others, with the exception of Use synonyms
kilometres
 of route, in which Use synonyms
Paris
 and Tokyo are more similar to DC than Use synonyms
London
.Use synonyms