900 mm gauge railways

900 mm (2 ft 11+7⁄16 in) narrow-gauge railways are generally found in Europe. This gauge is mostly used for light urban rail networks, industrial and agricultural railways.

Country/territory	Railway
Australia	Yallourn 900 mm railway (defunct)^[1]
Austria	Linz urban tramways Florianerbahn^[2] Pöstlingbergbahn (converted in 2009 from 1,000 mm or 3 ft 3+3⁄8 in metre gauge)^[3]
Denmark	See Narrow-gauge railways in Denmark
Estonia	Vaivara–Viivikonna mine railway (converted to 1,435 mm or 4 ft 8+1⁄2 in standard gauge, then converted to 1,520 mm (4 ft 11+27⁄32 in) Russian gauge)
Finland	Rokua railway^[4]
Georgia	Borjomi–Bakuriani railway "Kukushka" (not operational since 2022, with plans of rehabilitation)^[5]^[6] New Athos Cave Railway (operating)^[7]
Germany	Mecklenburgische Bäderbahn Dagebüll–Oland–Langeneß island railway Borkumer Kleinbahn, Isle of Borkum
Guernsey	1941–1946
Iceland	Reykjavík Harbour Railway (defunct)^[8]
Indonesia	Used by Rendeng sugar mill for sugar cane transport
Ireland	Cork Electric Tramways and Lighting Company; opened 1898, closed 1931^[9]
Norway	Used by the Germans up to 1945, called Feldbahn (field railway), for industrial plants or other temporary uses. In Norway during the WW II the Germans built a 15 km (9.3 mi) railway between the harbour at Årdalstangen and the industrial plant of Øvre Årda. It closed in 1959, by then used only at the iron works. One steam locomotive was lost into the sea, but was found by divers around 1990 and is restored and exhibited at Aardalstangen.
Poland	Trams in Kraków (converted^[when?] to 1,435 mm or 4 ft 8+1⁄2 in standard gauge)
Portugal	Lisbon funiculars (from 1913) and tramways (from 1901) and their preceding mule cars (regauged in 1888–1894 from 1,435 mm or 4 ft 8+1⁄2 in standard gauge) Braga tramways (1914–1963) Linha do Porto à Póvoa e Famalicão and its branch lines (Leixões and São Gens), built in 1871–1893 and regauged to 1,000 mm (3 ft 3+3⁄8 in) metre gauge in 1930 ^{[citation needed]}
United States	Detroit Downtown Trolley (defunct)

v t e Track gauge (list)
Minimum gauge	15 in (381 mm) 400 mm (15+3⁄4 in) 16 in (406 mm) 18 in (457 mm) 19 in (483 mm) 500 mm (19+3⁄4 in) 20 in (508 mm) 21 in (533 mm) 1 ft 10 in (559 mm)
Narrow gauge	2 foot and 600 mm 2 ft 3 in (686 mm) 750 mm (2 ft 5+1⁄2 in) 760 mm (2 ft 5+15⁄16 in) 2 ft 6 in (762 mm) 800 mm (2 ft 7+1⁄2 in) 891 mm (2 ft 11+3⁄32 in) Swedish three foot 900 mm (2 ft 11+7⁄16 in) 3 ft (914 mm) 950 mm (3 ft 1+3⁄8 in) Italian metre gauge 1,000 mm (3 ft 3+3⁄8 in) metre gauge 1,050 mm (3 ft 5+11⁄32 in), 1,055 mm (3 ft 5+1⁄2 in), 3 ft 6 in (1,067 mm) 1,093 mm (3 ft 7 in), 1,100 mm (3 ft 7+5⁄16 in), 1,200 mm (3 ft 11+1⁄4 in) 4 ft (1,219 mm) 4 ft 1 in (1,245 mm), Middleton Railway 4 ft 6 in (1,372 mm), Scotch gauge 4 ft 6+1⁄2 in (1,384 mm), Scotch gauge 4 ft 7+3⁄4 in (1,416 mm) 4 ft 8 in (1,422 mm), almost standard gauge 4 ft 8+1⁄4 in (1,429 mm) 1,432 mm (4 ft 8+3⁄8 in)
Standard gauge	4 ft 8+1⁄2 in / 1,435 mm, Stephenson gauge
Broad gauge	1,440 mm (4 ft 8+11⁄16 in) 1,445 mm (4 ft 8+7⁄8 in) 1,450 mm (4 ft 9+3⁄32 in) 4 ft 9+3⁄8 in (1,457 mm) 1,458 mm (4 ft 9+13⁄32 in) 4 ft 10+7⁄8 in (1,495 mm), Toronto gauge 5 ft / 1,524 mm and 1,520 mm (4 ft 11+27⁄32 in), Russian gauge. 5 ft 2+1⁄4 in / 1,581 mm and 5 ft 2+1⁄2 in / 1,588 mm, Pennsylvania gauge 5 ft 3 in (1,600 mm), Irish gauge 5 ft 4+1⁄2 in (1,638 mm), Baltimore gauge 1,668 mm (5 ft 5+21⁄32 in), Iberian gauge 5 ft 6 in (1,676 mm), Indian gauge 1,945 mm (6 ft 4+9⁄16 in), De Arend 7 ft 1⁄4 in (2,140 mm), Brunel gauge 3,000 mm (9 ft 10+1⁄8 in), Breitspurbahn 8,200 mm (26 ft 10+27⁄32 in), Lärchwandschrägaufzug 9,000 mm (29 ft 6+5⁄16 in), Krasnoyarsk ship lift
List of track gauge articles	List of track gauges List of tram track gauges Miniature railways Minimum-gauge railways Large amusement railways
Gauge differences	Bogie exchange Break of gauge Dual gauge Gauge conversion list Variable gauge
Transport mode	Tram and light rail Rapid transit Miniature Scale model
Categories	by country by imperial units by metric units by name lists of track gauges

900 mm gauge railways

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