Question: Which of the following is the first city in the world to have underground subway system?
A London
B China
C Istanbul
D New York City
Answer: London
| Rank | City | Underground Subway System | First Section Opened | Key Features | Historical Significance | Current Status | Impact |
| 1 | London, United Kingdom | London Underground (The Tube) | January 10, 1863 | Pioneering urban transportation development | World’s first underground subway system | Expanded to 11 lines with over 270 stations | Revolutionized urban transportation |
| 2 | Budapest, Hungary | Budapest Metro | May 2, 1896 | Second-oldest metro system in the world | First electric underground railway in Continental Europe | Expanded to four lines covering 39 stations | Significant role in Budapest’s public transit |
| 3 | Glasgow, United Kingdom | Glasgow Subway (The Clockwork Orange) | December 14, 1896 | First underground metro system in Scotland | Operates as a circular line | Consists of a single circular route | Enhanced connectivity within Glasgow |