How did elevated trains and subways improve urban transportation?

QUESTION POSTED AT 18/04/2020 - 07:00 PM

Answered by admin AT 18/04/2020 - 07:00 PM

Elevated trains and subways improved urban transportation by transporting commuters without crowding city streets
Post your answer

Related questions

How does wind transport sand grains

QUESTION POSTED AT 01/06/2020 - 04:10 PM