The table below gives information about the underground railway systems in six cities. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The table presents not only the yearly number of commuters travelling by different underground railway systems but

also

the length of each journey measured by kilometre and the dates those were opened in 6 separate regions.

It is clear that

the 3 former rail line systems have more passengers and longer routes than the latter ones.

Besides

, Tokyo takes up the highest sum of travellers per year,

while

the opposite is true for Kyoto. And London is the city which has the longest course, in comparison with Kyoto . As can be seen, despite being the oldest, the journey that London's track makes is recorded to be at the top of the list with 394

km

, compared to 199

km

and 155km of those in Paris and Tokyo respectively.

Nevertheless

, Tokyo has the biggest total of commuters with 1928

million

every year , followed by 1191

million

in Paris and 775

million

in London. Regarding the rest 3 areas, the railway in Los Angeles with a 28

km

length serves only 50

million

people a year

although

it was established recently in 2001.Washington DC,

however

, opened a 125-

km

-long system in 1976 that carries 144

million

travellers, in comparison with Kyoto which has the shortest path with 11

km

long, conveying only 45

million

passengers each 12-month session.