The tables give information on underground railways of distinct cities around the world based on the year opened, 
route
 Use synonyms
distance
 in kilometres Use synonyms
as well as
 the number of travellers annually.
Linking Words
Overall
, cities with older railways Linking Words
such
 as London, Paris and Tokyo had a relatively higher number of passengers and the longest Linking Words
route
 Use synonyms
distance
 as compared to the newer rail systems which had a significantly lower number of people traversing through their Use synonyms
short 
Add a hyphen
short-distance
distance
 railways.
In terms of rail transport that opened in the 1980s and early 90s,  London which was opened in 1863 has the longest Use synonyms
route
 of 394 kilometres. Tokyo Use synonyms
on the other hand
, was reported to have attracted the most rail users at 1927 Linking Words
million
 each year which is more than double that of London. 
Looking specifically at the newer rails, Kyoto has the shortest travelling Use synonyms
distance
 of just 11km and Use synonyms
consequently
, minimal passengers, 50 Linking Words
million
 persons annually. Use synonyms
Likewise
, Los Angeles, only exceeded Kyoto by 5 Linking Words
million
 travellers to attain a total of 50 Use synonyms
million
 yearly Use synonyms
although
 it more than doubles Kyoto in terms of its Linking Words
route
 totalling 28km.Use synonyms