Subterranea :
Metro , Tunnels , Caves , Underground cities , Caving , Subterranean Hong Kong
Metro :
Metros in Asia , Metros in Europe , Metros in North America , Metros in South America , Subways
Tunnels :
Tunnels in Switzerland , Tunnels in Norway , Tunnels in the United Kingdom , Tunnels in Hong Kong , Tunnels in Australia , Tunnels in Germany , Tunnels in New Zealand , Tunnels in Canada , Railway tunnels , Lists of tunnels
Caves :
Caves in Australia , Caves in the United Kingdom , Caves in New Zealand , Caves in France , Caves in Slovenia
Subterranean Hong Kong :
MTR , Tunnels in Hong Kong
Metros in Asia :
Mass Rapid Transit (Singapore) , Seoul subway lines , MTR , Light Rapid Transit (Singapore) , KCR , Taipei MRT , Shanghai Metro , Metros in Japan , Metros in India
Metros in Europe :
Berlin U-Bahn lines , Berlin S-Bahn lines , Paris metro , London Underground , U-Bahn in Germany , Helsinki Metro , Warsaw Metro , Oslo T-bane , Paris RER , Saint Petersburg Metro Lines
Metros in North America :
Mexico City metro stations , Toronto TTC , Rapid transit in the United States
Metros in South America :
Buenos Aires metro
Tunnels in the United Kingdom :
Bridges and tunnels in London , Railway tunnels in the United Kingdom
Tunnels in Canada :
Tunnels in Ontario
Railway tunnels :
Railway tunnels in the United Kingdom
Caves in the United Kingdom :
Caves in Wales , Caves in England
MTR :
MTR lines , MTR stations , MTR Corporation Limited
Mass Rapid Transit (Singapore) :
Mass Rapid Transit (Singapore) stations , Mass Rapid Transit (Singapore) lines , Mass Rapid Transit (Singapore) rolling stock , Mass Rapid Transit (Singapore) depots
MTR :
MTR lines , MTR stations , MTR Corporation Limited
KCR :
KCR lines
Metros in Japan :
Osaka Municipal Subway
Metros in India :
Delhi Metro
London Underground :
London Underground rolling stock
U-Bahn in Germany :
Berlin U-Bahn stations
Toronto TTC :
Sheppard Line Stations , Scarborough RT Stations , Yonge-University-Spadina Line Stations , Bloor-Danforth Line Stations , TTC Yards, Garages and Facilities , Toronto Subway passenger equipment , Toronto streetcar vehicles , Toronto LRT stations
Rapid transit in the United States :
New York City Subway , Washington Metro , Miami-Dade Transit , SEPTA , Red Line (MBTA) , Orange Line (MBTA) , Blue Line (MBTA) , Los Angeles County Metro Rail , Bay Area Rapid Transit , San Francisco Municipal Railway , Port Authority Trans-Hudson
Osaka Municipal Subway :
Osaka Municipal Subway stations
London Underground rolling stock :
London Underground electric multiple units
New York City Subway :
New York City Subway history , New York City Subway passenger equipment , New York City Subway stations , New York City Subway lines , New York City Subway services
Washington Metro :
Washington Metro stations
Miami-Dade Transit :
Miami Metromover
SEPTA :
SEPTA Regional Rail , SEPTA stations and terminals
Los Angeles County Metro Rail :
Los Angeles County Metro Rail stations
Bay Area Rapid Transit :
Bay Area Rapid Transit stations
New York City Subway history :
Defunct BMT services
New York City Subway stations :
IRT Jerome Avenue Line stations , IRT Pelham Line stations , Abandoned New York City Subway stations , IRT Nostrand Avenue Line stations , IRT Eastern Parkway Line stations , IRT Lexington Avenue Line stations , IRT White Plains Road Line stations , IRT Flushing Line stations , BMT Brighton Line stations , IND Eighth Avenue Line stations , BMT Canarsie Line stations , BMT Franklin Avenue Shuttle stations , BMT Fourth Avenue Line stations , IRT Broadway-Seventh Avenue Line stations , IND Culver Line stations , BMT Broadway Line stations , IND Queens Boulevard Line stations , IND Sixth Avenue Line stations , IND Fulton Line stations
New York City Subway services :
Defunct BMT services
SEPTA Regional Rail :
SEPTA Regional Rail stations
SEPTA stations and terminals : SEPTA Regional Rail stations