Metre-gauge railway

 ( Track Gauges By Name ) 

• Innsbruck Tramway (operating)
• Gmunden Tramway (operating)
• Stubaitalbahn (operating)
• Achenseebahn (operating)
• Schlossbergbahn (Graz) (operating)

• National Company of Light Railways — ceased operations, except:
• Belgian Coast Tram (operating)
• Charleroi Metro (operating)
• Several "museum lines" kept in operation for tourists by volunteers: tramway to the Caves of Han-sur-Lesse, Tramway touristique de l'Aisne, etc.
• Antwerp Tram (operating)
• Ghent Tram (operating)

• National rail network.

• National rail network.

• Mostly in cargo railways, including E.F Vitoria-Minas Passenger/Cargo Line and R.R. (operating)
• Fortaleza Metro (operating)
• Teresina Metro (operating)

• Entire Sofia Tramway system, except for three lines that use standard gauge. (operating)

• Abidjan-Ouagadougou railway (operating)

• Burmese railways, except for the Burma Mines Railway.

• Empresa de los Ferrocarriles del Estado (Ferronor), Ferrocarril de Antofagasta a Bolivia, Arica–La Paz railway.

• Kunhe Railway (formerly the Yunnan–Vietnam Railway) (operating).
• Dujiangyan–Siguniangshan mountain railway (in construction).
• Former Datong–Puzhou railway and Zhengding-Taiyuan Railway. All regauged to standard gauge.

• Zagreb Tramway (operating)
• Osijek tram system (operating)

• Århus tramway (closed), Danish Tramway Museum.

• Cairo tram (ceased operations)

• Helsinki tram (operating)

• Blanc-Argent Railway, from Salbris to Valençay (operating)
• Chemins de fer de la Provence (Train des pignes) (operating)
• Chemins de fer de la Corse (2 operating lines)
• Chemin de fer de La Mure (operating)
• Panoramique des Dômes (operating)
• Lille tramway (operating)
• Saint-Étienne tramway (operating)
• Chemins de fer départementaux du Finistère (closed in 1946)
• Chemin de fer de la Baie de Somme (operating)
• Ligne de Cerdagne, Le Petit Train Jaune (Little Yellow Train), operating in the French Pyrenees.
• Saint-Gervais–Vallorcine railway through Chamonix (operating)
• Mont Blanc tramway (operating)
• Chemin de fer du Montenvers (operating)
• Guignicourt–Rethel railway

• Trams in Augsburg
• Trams in Bad Schandau
• Bielefeld Stadtbahn
• Trams in Bochum/Gelsenkirchen
• Trams in Brandenburg
• Trams in Cottbus
• Trams in Darmstadt
• Erfurt Stadtbahn
• Trams in Essen
• Trams in Frankfurt (Oder)
• Trams in Freiburg im Breisgau
• Trams in Görlitz
• Trams in Gotha
• Trams in Halberstadt
• Trams in Halle (Saale)
• Trams in Heidelberg
• Trams in Jena
• Trams in Krefeld
• Trams in Mainz
• Trams in Mannheim/Ludwigshafen
• Trams in Mülheim/Oberhausen
• Trams in Naumburg (Saale)
• Trams in Nordhausen
• Trams in Plauen
• Trams in Schöneiche
• Trams in Ulm
• Trams in Würzburg
• Trams in Zwickau
• Harzer Schmalspurbahnen (operating)
• Bavarian Zugspitzbahn (operating)

• Szombathely tram (1897-1974)
• Sopron tram (1900-1923)
• Borsodnádasd record factory (defunct)

• Trento–Malè–Marilleva railway, owned by Trentino Trasporti (operating)
• Ferrovia Genova–Casella (operating)
• Domodossola–Locarno international railway (operating)
• Trieste–Opicina tramway (operating)
• Rittnerbahn-ferrovia del Renon tramway (operating)
• Laas-Lasa marble quarry railway (operating)
• Bernina railway (crosses into Switzerland) (UNESCO World Heritage Site status shared with Albula Railway in Switzerland) (operating)

• Abidjan-Ouagadougou railway (operating)

• Kenya Railway run by Kenya Railways Corporation. Metre gauge link from Nairobi Terminus to city centre (operating)

• Keretapi Tanah Melayu (Malayan Railway) - KTM Intercity, KTM ETS and KTM Komuter
• Sabah State Railway
• Penang Hill Railway.

Dakar–Niger Railway

• Trondheim Tramway (operating)
• Fløibanen (operating)
• Thamshavn Line (operating as a museum railway)

• Mirpur Khas–Nawabshah Railway (defunct)
• One section of Hyderabad–Khokhrapar Branch Line (converted to broad gauge)

• Trams in Bydgoszcz (operating)
• Trams in Toruń (operating)
• there are plans to interconnect both cities' systems
• Trams in Elbląg (operating)
• Tramways in Grudziądz (operating)
• Trams in Łódź (including suburban lines) (operating)
• Trams in Olsztyn (defunct 1965, newly-built system in 2015 is standard gauge)
• Gryficka Kolej Wąskotorowa (operating as a tourist railway)
• Koszalińska Kolej Wąskotorowa (operating as a tourist railway)
• Piaseczyńska Kolej Wąskotorowa (operating as a tourist railway)

• American Railroad Company – , (1891-c.1957) (defunct). After 1957, some tracks of American Railroad Company were acquired by Land Authority of Puerto Rico for sugar cane hauling: the Arecibo network (Central Cambalache: 1957-1981) (defunct) and the Aguada-Mayagüez line (Central Coloso: 1957-c.1970) (defunct)
• Fajardo Development Company – for sugar cane hauling between Carolina to Naguabo in eastern Puerto Rico (1902-1977) (defunct) Contexto histórico e inventario del ferrocarril en Puerto Rico, 1850-1953 - Primera parte: Trasfondo histórico
• Ferrocarril Histórico de Puerto Rico, Fajardo – tracks of Central Fajardo Railroad from Fajardo outskirts to El Yunque foothills used as right-of-way for this heritage railroad since 1971. Destroyed by Fajardo River flooding in 1974 (defunct) «Conservando una Romántica Tradición», Dave Deyo, Railroading, Number 43, Second Quarter (1972): pp. 6-18]
• Ponce and Guayama Railroad – for sugar cane hauling between Ponce to Arroyo in southern Puerto Rico (1904-1990) (defunct)
• Train of the South – tracks of Ponce and Guayama Railroad from Guayama to Arroyo used as right-of-way for this heritage railroad between 1984-1988 and reused between 1996-2005 (defunct)
• Caguas Tramway (Río Piedras-Caguas Railway) – (1908-1928) (defunct)
• Mayagüez Tramway (1915-1927) (defunct)
• Ponce Tramway (1902-1927) (defunct)

• Arad tram (operating)
• Iaşi tram (operating)
• Sibiu tram (operating)
• Was used in Galaţi tram until fully replaced by Standard Gauge in 1975.

• Kaliningrad tramway (operating)
• Pyatigorsk tramway (operating)

• Bratislava trams/streetcars (operating)
• Tatra Electric Railway (Tatranské elektrické železnice), a mountain railway and a rack railway in the area of the High Tatras. (operating)
• Košice Children's Heritage Railway in Košice. (operating)

• Euskotren Trena inter-city, commuter & metro lines and Euskotren Tranbia (Bilbao tram and Vitoria-Gasteiz) tram lines
• C-4 (Cercanías Bilbao) (Bilbao La Concordia-La Calzada)
• Renfe Feve lines in north-west Spain, including the Transcantábrico (operating)
• C-4, C-5, C-6, C-7, C-8, C-9 (Cercanías Asturias) (operating)
• FGC Llobregat–Anoia Line and Barcelona Metro line 8
• Metro Bilbao (operating)
• Cercanías Madrid C-9 (Cercedilla–Cotos) (operating)
• Palma de Mallorca Metro (operating)
• Metrovalencia (operating)
• Ferrocarrils de la Generalitat Valenciana (operating)

• Albula Railway and Bernina railway (crosses into Italy). These railways share UNESCO World Heritage Site status as part of the Rhaetian Railway (operating)
• Appenzell–St. Gallen–Trogen railway, Altstätten–Gais railway line, Gossau–Wasserauen railway line, runs in the cantons of St. Gallen, Appenzell Innerrhoden and Appenzell Ausserrhoden (operating)
• Dolderbahn, Funicular railway in Zurich converted into a rack railway and extended in the early 1970s. (operating)
• Forch railway, runs as a tram in Zürich city and as a train outside the city (operating)
• Zentralbahn, merged with Luzern Stans Engelbergbahn, Brünigbahn and Meiringen Innertkirchen Bahn (operating)
• Matterhorn Gotthard Bahn, (operating)
• Chemins de fer du Jura, (operating)
• La Chaux-de-Fonds–Glovelier line, (operating)
• La Chaux-de-Fonds–Les Ponts-de-Martel railway, (operating)
• Saignelégier–La Chaux-de-Fonds Railway, (operating)
• Le Locle–Les Brenets line, (operating)
• Trams in Neuchâtel, (operating)
• Centovalli railway, (operating)
• Lugano–Ponte Tresa Railway, (operating)
• Martigny–Châtelard Railway, (operating)
• Chemin de fer Nyon-St-Cergue-Morez, (operating)
• Chemin de fer Bière-Apples-Morges, (operating)
• Chemin de fer Yverdon–Ste-Croix, (operating)
• Chemin de fer Lausanne–Echallens–Bercher, (operating)
• Montreux–Lenk im Simmental line, (operating)
• Transports Publics du Chablais, (operating)
• Frauenfeld-Wil-Bahn, (operating)
• Regionalverkehr Bern-Solothurn, (operating)
• Biel–Täuffelen–Ins railway, (operating)
• Trams in Basel, (operating)
• Baselland Transport, (operating)
• Trams in Bern, (operating)
• Trams in Geneva, (operating)
• Berner Oberlandbahn, (operating)
• Montreux–Lenk im Simmental line, (operating)
• Gornergratbahn, (operating)
• Trams in Zürich, trams in Zürich city and Glattal (operating)
• Bienne–Evilard Funicular

• T3 Line of Burtram (operating)
• EsTram (operating)
• Istanbul nostalgic tramways (operating)

• Uganda Railway run by Uganda Railways Corporation. Metre gauge link from Malaba to Kampala city centre (operating, under rehabilitation)
• Metre gauge link from Malaba to Tororo (operating)
• Metre gauge link from Tororo - Gulu - Pakwach to Tororo (under rehabilitation)

• Lviv tram (operating)
• Vinnytsia Tramway (operating)
• Zhytomyr tram (operating)

• Waltham Iron Ore Tramway
• Wellingborough Tramway
• Davington Light Railway
• Crich Tramway (apparently the first metre-gauge railway in the world)
• Butts Tramway, Butts Extension Tramway, Lindal Moor Tramway, Eure Pits Tramway (coherent group of lines serving iron ore mines near Dalton-in-Furness, Cumbria, built 1849–1862)

• Sierra Lumber Company Railroad. A meter-gauge railway built in 1881 from Lyonsville, California into the Sequoioideae forests. It used three steam locomotives and worked until 1907.
• Honda Express at Six Flags Magic Mountain
• Red Car Trolley (located in Disney California Adventure) (defunct - park still operating)