List of metro systems in Europe
Appearance
Austria
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Vienna U-Bahn U-Bahn Wien |
Locale | Vienna | (South-west extension) |
||||
Began operation | 8 May 1976[a] | ||||||
Lines in operation | 5 | ||||||
No. of stations | 98 | ||||||
Network length | 83.3 km (51.8 mi) | ||||||
Ridership | 459.8 million (2019) | ||||||
Belarus
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Minsk Metro Мінскі Mетрапалітэн |
Locale | Minsk | (North extension) | ||||
Began operation | 30 June 1984 | ||||||
Lines in operation | 3 | ||||||
No. of stations | 33 | ||||||
Network length | 40.8 km (25.4 mi) | ||||||
Ridership | 226.3 million (2021) | ||||||
Belgium
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Brussels Metro Métro de Bruxelles Brusselse Metro |
Locale | Brussels | 1 2 5 6 | 3 | |||
Began operation | 20 September 1976 | ||||||
Lines in operation | 2[b] | ||||||
No. of stations | 59 | ||||||
Network length | 39.9 km (24.8 mi) | ||||||
Ridership | 87.6 million (2020) | ||||||
Charleroi Light rail[c] Métro Léger de Charleroi |
Locale | Charleroi | M1 M2 M3 M4 | M5 | |||
Began operation | 21 June 1976 | ||||||
Lines in operation | 2[d] | ||||||
No. of stations | 21 | ||||||
Network length | 17.0 km (10.6 mi) | ||||||
Ridership | 5.6 million (2019) | ||||||
Bulgaria
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Sofia Metro Софийски Mетрополитен |
Locale | Sofia | 1 2 3 4 | 3 (North extension) | 1 (South extension) 2 (South extension & branch) 3 (branch) |
||
Began operation | 28 January 1998 | ||||||
Lines in operation | 4[e] | ||||||
No. of stations | 47 | ||||||
Network length | 52.0 km (32.3 mi) | ||||||
Ridership | 164.2 million (2023) | ||||||
Czechia
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Prague Metro Pražské Metro |
Locale | Prague | A B C | D | D (North extension & branch) | ||
Began operation | 9 May 1974 | ||||||
Lines in operation | 3 | ||||||
No. of stations | 58 | ||||||
Network length | 63.1 km (39.2 mi) | ||||||
Ridership | 568 million (2021) | ||||||
Denmark
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Copenhagen Metro Københavns Metro |
Locale | Copenhagen | (South extension) | ||||
Began operation | 19 October 2002 | ||||||
Lines in operation | 2[f] | ||||||
No. of stations | 39 | ||||||
Network length | 38.2 km (23.7 mi) | ||||||
Ridership | 73.4 million (2021) | ||||||
Finland
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Helsinki Metro Helsingin Metro |
Locale | Helsinki | M1 M2 | M2 (East extension) M (Second Line) |
|||
Began operation | 2 August 1982 | ||||||
Lines in operation | 1[g] | ||||||
No. of stations | 25 | ||||||
Network length | 35.0 km (21.7 mi) | ||||||
Ridership | 60.4 million (2020) | ||||||
France
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Lille Metro Métro de Lille |
Locale | Lille | (South-West extension) (North-West extension) |
||||
Began operation | 25 April 1983 | ||||||
Lines in operation | 2 | ||||||
No. of stations | 60 | ||||||
Network length | 45.0 km (28.0 mi) | ||||||
Ridership | 127.6 million (2019) | ||||||
Lyon Metro Métro de Lyon |
Locale | Lyon | |||||
Began operation | 9 December 1974 | ||||||
Lines in operation | 4 | ||||||
No. of stations | 42 | ||||||
Network length | 34.4 km (21.4 mi) | ||||||
Ridership | 208.21 million (2023) | ||||||
Marseille Metro Métro de Marseille |
Locale | Marseille | (South-East extension) | ||||
Began operation | 26 November 1977 | ||||||
Lines in operation | 2 | ||||||
No. of stations | 31 | ||||||
Network length | 22.7 km (14.1 mi) | ||||||
Ridership | 76.6 million (2019) | ||||||
Paris Métro Métro de Paris |
Locale | Paris | (East extension) (West extension) (North & South extensions) (North extension) (East extension) (West & East extensions) (North & South extensions) (North extensions) (South extension) (North extension) (New line) (Merger) |
||||
Began operation | 19 July 1900 | ||||||
Lines in operation | 14[h] | ||||||
No. of stations | 320 | ||||||
Network length | 245.6 km (152.6 mi) | ||||||
Ridership | 1411 million (2023) | ||||||
Rennes Metro Métro de Rennes |
Locale | Rennes | |||||
Began operation | 15 March 2002 | ||||||
Lines in operation | 2 | ||||||
No. of stations | 28 | ||||||
Network length | 22.4 km (13.9 mi) | ||||||
Ridership | 37.2 million (2019) | ||||||
Toulouse Metro Métro de Toulouse |
Locale | Toulouse | (South extension) |
||||
Began operation | 26 June 1993 | ||||||
Lines in operation | 2 | ||||||
No. of stations | 38 | ||||||
Network length | 28.2 km (17.5 mi) | ||||||
Ridership | 84.4 million (2021) | ||||||
Germany
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Berlin U-Bahn U-Bahn Berlin |
Locale | Berlin | |||||
Began operation | 15 January 1902 | ||||||
Lines in operation | 8[i] | ||||||
No. of stations | 175 | ||||||
Network length | 155.4 km (96.6 mi) | ||||||
Ridership | 596 million (2019) | ||||||
Frankfurt U-Bahn U-Bahn Frankfurt |
Locale | Frankfurt | |||||
Began operation | 4 October 1968 | ||||||
Lines in operation | 4[j] | ||||||
No. of stations | 86 | ||||||
Network length | 64.9 km (40.3 mi) | ||||||
Ridership | 132.2 million (2016) | ||||||
Hamburg U-Bahn U-Bahn Hamburg |
Locale | Hamburg | East extension |
South extension Phase II |
|||
Began operation | 15 February 1912 | ||||||
Lines in operation | 3[k] | ||||||
No. of stations | 93 | ||||||
Network length | 106.4 km (66.1 mi) | ||||||
Ridership | 249.5 million (2019) | ||||||
Munich U-Bahn U-Bahn München |
Locale | Munich | West extension | West extension | |||
Began operation | 19 October 1971 | ||||||
Lines in operation | 3[l] | ||||||
No. of stations | 96 | ||||||
Network length | 103.1 km (64.1 mi) | ||||||
Ridership | 429 million (2019) | ||||||
Nuremberg U-Bahn U-Bahn Nürnberg |
Locale | Nuremberg | South-West extension | ||||
Began operation | 1 March 1972 | ||||||
Lines in operation | 2[m] | ||||||
No. of stations | 49 | ||||||
Network length | 38.2 km (23.7 mi) | ||||||
Ridership | 114.6 million (2019) | ||||||
Greece
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Athens Metro Μετρό Αθήνας |
Locale | Athens | (North extension & branch) (North & South extensions) Phases II, III & branch |
||||
Began operation | 21 July 1930[n] | ||||||
Lines in operation | 3 | ||||||
No. of stations | 62[o] | ||||||
Network length | 71.0 km (44.1 mi)[p] | ||||||
Ridership | 259.2 million (2018) | ||||||
Thessaloniki Metro Μετρό Θεσσαλονίκης |
Locale | Thessaloniki | |||||
Began operation | 30 November 2024 | ||||||
Lines in operation | 1 | ||||||
No. of stations | 13 | ||||||
Network length | 14.28 km (8.9 mi) | ||||||
Ridership | 116.8 million (projected) | ||||||
Hungary
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Budapest Metro Budapesti Metró |
Locale | Budapest | |||||
Began operation | 2 May 1896 | ||||||
Lines in operation | 4 | ||||||
No. of stations | 48 | ||||||
Network length | 39.7 km (24.7 mi) | ||||||
Ridership | 382.6 million (2023) | ||||||
Italy
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Brescia Metro Metropolitana di Brescia |
Locale | Brescia | 1 | ||||
Began operation | 2 March 2013 | ||||||
Lines in operation | 1 | ||||||
No. of stations | 17 | ||||||
Network length | 13.7 km (8.5 mi) | ||||||
Ridership | 18.7 million (2019) | ||||||
Catania Metro Metropolitana di Catania |
Locale | Catania | 1 | 1 North-West & South-West extensions | |||
Began operation | 27 June 1999 | ||||||
Lines in operation | 1 | ||||||
No. of stations | 10 | ||||||
Network length | 8.8 km (5.5 mi) | ||||||
Ridership | 5.8 million (2018) | ||||||
Genoa Metro Metropolitana di Genova |
Locale | Genoa | 1 | 1 West extension | 1 East & West extensions | ||
Began operation | 13 June 1990 | ||||||
Lines in operation | 1 | ||||||
No. of stations | 8 | ||||||
Network length | 7.1 km (4.4 mi) | ||||||
Ridership | 5.8 million (2018) | ||||||
Milan Metro Metropolitana di Milano |
Locale | Milan | North extension | West extension North & Branch extensions North & South extensions East Extension North Extension |
|||
Began operation | 1 November 1964 | ||||||
Lines in operation | 5 | ||||||
No. of stations | 112 | ||||||
Network length | 111.8 km (69.5 mi) | ||||||
Ridership | 386.8 million (2019) | ||||||
Naples Metro Metropolitana di Napoli |
Locale | Naples | Loop completion East extension |
West extension | |||
Began operation | 28 March 1993 | ||||||
Lines in operation | 3 | ||||||
No. of stations | 30 | ||||||
Network length | 34.5 km (21.4 mi) | ||||||
Ridership | 43.5 million (2019) | ||||||
Rome Metro Metropolitana di Roma |
Locale | Rome | West extension | West extension North & Branch extensions West extensions |
|||
Began operation | 9 February 1955 | ||||||
Lines in operation | 3 | ||||||
No. of stations | 73 | ||||||
Network length | 59.4 km (36.9 mi) | ||||||
Ridership | 320 million (2018) | ||||||
Turin Metro Metropolitana di Torino |
Locale | Turin | 1 | 1 West extension | 1 South extension 2 |
||
Began operation | 4 February 2006 | ||||||
Lines in operation | 1 | ||||||
No. of stations | 23 | ||||||
Network length | 15.1 km (9.4 mi) | ||||||
Ridership | 42.5 million (2018) | ||||||
Netherlands
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Amsterdam Metro Amsterdamse Metro |
Locale | Amsterdam | 50 51 52 53 54 | 52 (Schiphol extension) | |||
Began operation | 14 October 1977 | ||||||
Lines in operation | 3[q] | ||||||
No. of stations | 39 | ||||||
Network length | 42.7 km (26.5 mi) | ||||||
Ridership | 111.3 million (2019) | ||||||
Rotterdam Metro Rotterdamse Metro |
Locale | Rotterdam | A B C D E | ||||
Began operation | 9 February 1968 | ||||||
Lines in operation | 2[r] | ||||||
No. of stations | 70 | ||||||
Network length | 100.6 km (62.5 mi) | ||||||
Ridership | 99 million (2019) | ||||||
Norway
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Oslo Metro Oslo T-Bane |
Locale | Oslo | Furusetbanen extension Tøyen extension |
||||
Began operation | 22 May 1966 | ||||||
Lines in operation | 3[s] | ||||||
No. of stations | 101 | ||||||
Network length | 85.0 km (52.8 mi) | ||||||
Ridership | 74 million (2020) | ||||||
Poland
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Warsaw Metro Metro Warszawskie |
Locale | Warsaw | West extension | Branch | |||
Began operation | 7 April 1995 | ||||||
Lines in operation | 2 | ||||||
No. of stations | 39 | ||||||
Network length | 41.3 km (25.7 mi) | ||||||
Ridership | 195.4 million (2019) | ||||||
Portugal
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Lisbon Metro Metropolitano de Lisboa |
Locale | Lisbon | South extension | South-West extension | |||
Began operation | 29 December 1959 | ||||||
Lines in operation | 4 | ||||||
No. of stations | 56 | ||||||
Network length | 44.5 km (27.7 mi) | ||||||
Ridership | 184.6 million (2019) | ||||||
Porto Metro[t] Metro do Porto |
Locale | Porto | |||||
Began operation | 7 December 2002 | ||||||
Lines in operation | 2[u] | ||||||
No. of stations | 82 | ||||||
Network length | 67 km (41.6 mi) | ||||||
Ridership | 65.1 million (2022)[v] | ||||||
Romania
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Bucharest Metro Metroul din București |
Locale | Bucharest | M1 M2 M3 M4 M5 | North extension M6 |
M2 North extension M5 East extension M6 |
||
Began operation | 16 November 1979 | ||||||
Lines in operation | 5[w] | ||||||
No. of stations | 64 | ||||||
Network length | 80.1 km (49.8 mi) | ||||||
Ridership | 179.2 million (2019) | ||||||
Russia
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Kazan Metro Казанский Mетрополитен |
Locale | Kazan | 1 | 2 | 1 North & South extensions 2 North extension 3 4 |
||
Began operation | 27 August 2005 | ||||||
Lines in operation | 1 | ||||||
No. of stations | 11 | ||||||
Network length | 16.8 km (10.4 mi) | ||||||
Ridership | 21.5 million (2019) | ||||||
Moscow Metro Московский Mетрополитен |
Locale | Moscow | South extension |
East extension North extension Central section North & South extensions Rublyovo-Arkhangelskaya line Biryulyovskaya line |
|||
Began operation | 15 May 1935 | ||||||
Lines in operation | 17 | ||||||
No. of stations | 265 | ||||||
Network length | 435.7 km (270.7 mi) | ||||||
Ridership | 1618.2 million (2020) | ||||||
Nizhny Novgorod Metro Нижегородское Mетро |
Locale | Nizhny Novgorod | East extension | South extension West and North-West extensions |
|||
Began operation | 20 November 1985 | ||||||
Lines in operation | 2 | ||||||
No. of stations | 15 | ||||||
Network length | 21.6 km (13.4 mi) | ||||||
Ridership | 20.4 million (2020) | ||||||
Saint Petersburg Metro Петербургский Mетрополитен |
Locale | Saint Petersburg | West extension |
North extension West & South extensions North section |
|||
Began operation | 15 November 1955 | ||||||
Lines in operation | 5 | ||||||
No. of stations | 64 | ||||||
Network length | 124.8 km (77.5 mi) | ||||||
Ridership | 495 million (2020) | ||||||
Samara Metro Самарское Mетро |
Locale | Samara | 1 | 1 West extension & Branch 2 3 |
|||
Began operation | 27 August 2005 | ||||||
Lines in operation | 1 | ||||||
No. of stations | 10 | ||||||
Network length | 12.7 km (7.9 mi) | ||||||
Ridership | 8.8 million (2020) | ||||||
Spain
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Barcelona Metro Metro de Barcelona |
Locale | Barcelona | Central section | East & West extensions West extension East & West extensions Sagrera extension East extension South extension West extension |
|||
Began operation | 30 December 1924 | ||||||
Lines in operation | 9[x] | ||||||
No. of stations | 166 | ||||||
Network length | 147.2 km (91.5 mi) | ||||||
Ridership | 355.6 million (2019) | ||||||
Bilbao Metro Metro de Bilbao Bilboko metroa |
Locale | Bilbao | East & West extensions |
||||
Began operation | 11 November 1995 | ||||||
Lines in operation | 2[y] | ||||||
No. of stations | 48 | ||||||
Network length | 51.0 km (31.7 mi) | ||||||
Ridership | 96.9 million (2019) | ||||||
Madrid Metro Metro de Madrid |
Locale | Madrid | South extension North-West extension |
North extension North & West extensions |
|||
Began operation | 30 December 1924 | ||||||
Lines in operation | 12 | ||||||
No. of stations | 242 | ||||||
Network length | 288.5 km (179.3 mi) | ||||||
Ridership | 355.6 million (2019) | ||||||
Palma Metro Metro de Palma |
Locale | Palma de Mallorca | |||||
Began operation | 25 April 2007 | ||||||
Lines in operation | 2 | ||||||
No. of stations | 16 | ||||||
Network length | 15.6 km (9.7 mi) | ||||||
Ridership | 2.4 million (2016) | ||||||
Malaga Metro[z] Metro de Málaga |
Locale | Malaga | East extension | North extension | |||
Began operation | 30 July 2014 | ||||||
Lines in operation | 2 | ||||||
No. of stations | 12 | ||||||
Network length | 8.5 km (5.3 mi) | ||||||
Ridership | 6.9 million (2019)[aa] | ||||||
Seville Metro Metro de Sevilla |
Locale | Seville | |||||
Began operation | 2 April 2009 | ||||||
Lines in operation | 1 | ||||||
No. of stations | 22 | ||||||
Network length | 18.0 km (11.2 mi) | ||||||
Ridership | 16.9 million (2019) | ||||||
Metrovalencia[ab] |
Locale | Valencia | |||||
Began operation | 8 October 1988 | ||||||
Lines in operation | 3[ac] | ||||||
No. of stations | 32 | ||||||
Network length | 24.2 km (15.0 mi) | ||||||
Ridership | 69.4 million (2019)[ad] | ||||||
Sweden
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Stockholm Metro Stockholms Tunnelbana |
Locale | Stockholm | 10 11 13 14 17 18 19 | 10 North extension | 10 11 South & East extensions Yellow Line New line |
||
Began operation | 1 October 1950 | ||||||
Lines in operation | 3[ae] | ||||||
No. of stations | 100 | ||||||
Network length | 105.7 km (65.7 mi) | ||||||
Ridership | 355 million (2018) | ||||||
Switzerland
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Lausanne Métro Métro de Lausanne |
Locale | Lausanne | |||||
Began operation | 24 May 1991 | ||||||
Lines in operation | 2 | ||||||
No. of stations | 28 | ||||||
Network length | 13.7 km (8.5 mi) | ||||||
Ridership | 45.4 million (2013) | ||||||
Turkey
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Istanbul Metro[af] İstanbul Metrosu |
Locale | Istanbul | West extension North & South extensions East extension East extension East & West extensions South extension South extension |
West, North & Branch extensions Branch extension North extension |
|||
Began operation | 3 September 1989 | ||||||
Lines in operation | 11 | ||||||
No. of stations | 137 | ||||||
Network length | 243.3 km (151.2 mi) | ||||||
Ridership | 542.5 million (2022) | ||||||
Ukraine
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Dnipro Metro Дніпровський Mетрополітен |
Locale | Dnipro | 1 | 1 East extension | 1 East & West extensions | ||
Began operation | 29 December 1995 | ||||||
Lines in operation | 1 | ||||||
No. of stations | 6 | ||||||
Network length | 7.8 km (4.8 mi) | ||||||
Ridership | 3.6 million (2020) | ||||||
Kharkiv Metro Харківський Mетрополітен |
Locale | Kharkiv | South extension | East & West extensions North & South extensions North extension |
|||
Began operation | 23 August 1975 | ||||||
Lines in operation | 3 | ||||||
No. of stations | 30 | ||||||
Network length | 38.1 km (23.7 mi) | ||||||
Ridership | 128.1 million (2020) | ||||||
Kyiv Metro Київський Mетрополітен |
Locale | Kyiv | West extension South extension & Branch East & West extensions East & West extensions |
||||
Began operation | 6 November 1960 | ||||||
Lines in operation | 3 | ||||||
No. of stations | 52 | ||||||
Network length | 67.6 km (42.0 mi) | ||||||
Ridership | 279.5 million (2020) | ||||||
Kryvyi Rih Metro[ag] Криворізьке Mетро |
Locale | Kryvyi Rih | |||||
Began operation | 26 December 1986 | ||||||
Lines in operation | 1[ah] | ||||||
No. of stations | 9 | ||||||
Network length | 14.7 km (9.1 mi) | ||||||
Ridership | 15.8 million (2009)[ai] | ||||||
United Kingdom
[edit]System | Information | Currently operational | Currently under construction | Currently planned | Map | Ref. | |
---|---|---|---|---|---|---|---|
Glasgow Subway |
Locale | Glasgow | |||||
Began operation | 14 December 1896 | ||||||
Lines in operation | 1 | ||||||
No. of stations | 15 | ||||||
Network length | 10.5 km (6.5 mi) | ||||||
Ridership | 8 million (2021) | ||||||
Docklands Light Railway |
Locale | London | Thamesmead extension | ||||
Began operation | 31 August 1987 | ||||||
Lines in operation | 3[aj] | ||||||
No. of stations | 45 | ||||||
Network length | 38.0 km (23.6 mi) | ||||||
Ridership | 39.9 million (2020) | ||||||
London Underground |
Locale | London | Lewisham extension | ||||
Began operation | 10 January 1863[ak] | ||||||
Lines in operation | 11 | ||||||
No. of stations | 272 | ||||||
Network length | 402.0 km (249.8 mi) | ||||||
Ridership | 296 million (2021) | ||||||
Tyne and Wear Metro |
Locale | Newcastle/Sunderland | Green Yellow | ||||
Began operation | 11 August 1980 | ||||||
Lines in operation | 2 | ||||||
No. of stations | 60 | ||||||
Network length | 77.5 km (48.2 mi) | ||||||
Ridership | 24.3 million (2021) | ||||||
Notes
[edit]- ^ Parts of the system opened in 1898 as part of the Vienna Stadtbahn
- ^ 4 services
- ^ the system is part-metro part-tramway. Only the metro sections are listed here
- ^ 4 services
- ^ 4 services
- ^ 4 routes
- ^ 2 routes
- ^ 16 routes
- ^ 9 services
- ^ 9 services
- ^ 4 services
- ^ 8 services
- ^ 3 services
- ^ Line 1 opened as a railway line in 1869
- ^ Another 4 stations are served via through operations of Line 3 on Proastiakos tracks to the Athens Airport
- ^ Another 20.7km is served via through operations of Line 3 on Proastiakos tracks to the Athens Airport
- ^ 5 services
- ^ 5 services
- ^ 5 services
- ^ The Porto Metro is actually a light rail system. Only grade-separated metro-like sections are listed here
- ^ 6 routes, all of which use a part of the grade-separated section
- ^ Figures account for the full system
- ^ 5 routes
- ^ 12 routes
- ^ 3 routes
- ^ Part of the system functions as at-grade light rail. Only underground sections are taken into account here
- ^ The figures are for the whole system, including the at-grade section
- ^ The system is a mix of light rail, tram and regional train. Only the underground rapid transit sections are listed here.
- ^ 6 out of 12 routes use the underground sections
- ^ Ridership figures refer to the whole system
- ^ 7 routes
- ^ Parts of the system are located in Asia
- ^ The system is part metro-part tram. Only the metro section is listed here.
- ^ 3 routes, all of which use the metro section
- ^ figures account for the whole system
- ^ 6 routes
- ^ Electrified in 1890