Look up underground railway in Wiktionary, the free dictionary.

Underground railway may refer to:

• The Underground Railroad, a network of clandestine routes by which African slaves in the 19th century United States attempted to escape
• Underground railway system, a high capacity urban railway that uses tunnels
• Mine railway, an underground rail system used in mining

See also

• Underground Railroad (disambiguation)

This disambiguation page lists articles associated with the title Underground railway.
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