How far was the underground railway able to solve transport problems as well as the housing crisis in London in the 19th century?

How far was the underground railway able to solve transport problems as well as the housing crisis in London in the 19th century?
Ans. The first underground railway in the world wasopened on 10th January, 1863 in London. By 1880, the expanded train service was carrying 40 million passengers a year. It solved the transport problem to a great extent. A good railway network enabled large number of people to live outside central London and travel to work quite easily.
As a result, the housing problem was also solved to a , great extent, now the people could be settled in suburbs outside the main city of London.
The population in the city became more dispersed and better placed. This expansion of transport network wore down various social distinctions.