Metropolitano de Lisboa
- Official web site of the Lisbon, Portugal underground railway. Network maps. Information and news. Facts and figures.
- http://www.metrolisboa.pt/

Subway.com.ru
- Historical and modern photographs of the New York City, Montreal, and Moscow subway systems.
- http://subway.com.ru

Barnametro.org
- The unofficial page of Barcelona's Metro includes basic information, news and novelties, and a photo of the month. In Spanish, Catalan, and English.
- http://www.barnametro.org/

Umka's Subway Maps
- Cities around the world listed with their maps presented full-size.
- http://subway.umka.org

Daegu Metropolitan Subway Corporation
- Describes the facilities and stations, the SMSC's vision and construction updates, safety and service features, and management information for the city's underground railway system.
- http://www.daegusubway.co.kr/

Moscow Metro Photos
- Photographs and VR panoramas of some of the metro stations in the Russian capital.
- http://www.beeflowers.com/Metro/

Incheon Rapid Transit Corporation (IRTC)
- Provides maps of the Incheon and Metropolitan subway system as well as background facts and operations overview.
- http://www.irtc.co.kr/

Teito Rapid Transit Authority (TRTA)
- Fare information and major station guides for the TRTA portion of Tokyo's subway system.
- http://www.tokyometro.jp/e/index.html

CityRail
- Operates the Sydney underground system. Includes detailed timetables, trackwork announcements, station descriptions, and ticket and fare information. Also provides event information, performance statistics, and other operational reports.
- http://www.cityrail.info/

STM: Montréal Métro
- Includes interactive map, PDF guide to the 'underground city,' fares, and an explanation of the station chime system.
- http://www.stm.info/English/metro/a-index.htm

Delaware River Port Authority Transit Corporation (PATCO)
- Commuter service connecting Philadelphia and southern New Jersey. Site provides map and schedule, fares, news, parking and bicycle guidelines, history, and administrative information.
- http://www.drpa.org/patco/

Metropoliten of Baku
- History, station list, and map. Additional content available in Russian and Azeri.
- http://www.metro.gov.az/eng/

Delhi Metro Rail Corporation
- Route maps, travel tips, and construction projects described.
- http://www.delhimetrorail.com/

Tehranmetro
- Official site of the Tehran Urban and Suburban Railway Co. (TUSRC). Schedules and maps, tickets and fares, and information about accessibility, services, and construction projects.
- http://www.tehranmetro.com/

Novosibirsk Subway
- Map, station photogtaphs and facts, and information about Novosibirsk provided.
- http://www.nsk.su/~metro/English/

The Pyongyang Metro
- Information about the subway system in the North Korean capital. Includes maps, news, photographs, and pictures of former Berlin U-Bahn trains now used in Pyongyang.
- http://www.pyongyang-metro.com/

Metro Bielefeld
- History, photo gallery, and map of the German subway system.
- http://metro.webseb.de/

Naples Metro System
- Contains information on the system, its development, lines, and stations, with related places of interest. In English and Italian.
- http://web.tiscali.it/defalco_ivanoe/trasporti/net/index.html

Vienna Subway/Metro
- Contains maps, timetables, information about fares, tickets, and history of the metro in Vienna, Austria.
- http://mailbox.univie.ac.at/~prillih3/metro/english/index.html

Metro Bilbao
- General information about the transit system of Bilbao, Spain.
- http://www.metrobilbao.net/Indicei.html

Metro Bilbao News
- News, facts, and information for the transit system of Bilbao, Spain.
- http://www.bm30.es/proyectos/metro_uk.html

Tyne and Wear Metro
- Official site for the subway system of Sunderland and Newcastle in North East England, UK.
- http://www.tyneandwearmetro.co.uk/