Information on underground railway systems in half a dozen important cities is illustrated in tabular form here, along with the parameters which are the date opened, kilometres of route, and passengers per year (in milli
The presented table illustrators information about, underground railway networks among six categorized countries, units are measured in millions. From an overall perspective, it is clearly that the oldest underground us
The table provides information about six underground railway systems in terms of their opening date, their length, and the number of annual passengers.