| Year | Contient | Answer | % Correct |
|---|---|---|---|
| 1863 | Europe | London Underground | 100%
|
| 1904 | North America | New York City Subway | 97%
|
| 1902 | Europe | Berlin U-Bahn | 95%
|
| 1892 | North America | Chicago L | 94%
|
| 1900 | Europe | Paris Metro | 94%
|
| 1919 | Europe | Madrid Metro | 92%
|
| 1927 | Asia | Tokyo Metro | 90%
|
| 1935 | Europe | Moscow Metro | 83%
|
| 1913 | South America | Buenos Aires Subte | 82%
|
| 1901 | North America | Boston Subway | 81%
|
| 1924 | Europe | Barcelona Metro | 79%
|
| 1896 | Europe | Budapest Metro | 73%
|
| 1907 | North America | Philadelphia SEPTA Metro | 72%
|
| 1933 | Asia | Osaka Metro | 71%
|
| 1912 | Europe | Hamburg U-Bahn | 65%
|
| 1896 | Europe | Glasgow Subway | 64%
|
| 1904 | Europe | Athens Metro | 51%
|