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| | List of rapid transit systems - Wikipedia, the free encyclopedia |
 | | This is an alphabetical list of cities worldwide that have a rapid transit system, or a light-rail system with some elements of rapid transit. |
 | | Such systems are commonly called metros, subways, elevated railways, heavy rail, rapid rail, or underground railways; see passenger rail terminology for more information. |
 | | Some systems which provide metro service using light-rail vehicles or in some other way have elements of both may be in both lists. |
| en.wikipedia.org /wiki/List_of_rapid_transit_systems (480 words) |
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