Question

why did underground railway soon become a necessity in London. mention any three disadvantages of these system

Answer 1

Three disadvantages of the system
1 For building railway the entire system cost so much money .
2 For building railways we need maximum amount of land.
We should cut trees to get land.
3 railway transport is its inflexibility. It routes and timings cannot be adjusted to individual requirements.

These are the disadvantages
why it became necessary in London.


British government made work places at different parts of city and British government saw that the people were in crises because of not reaching on time so they made underground railways for saving time of theses people.