List of spiral tunnels and tunnels on a curved alignment
Lists of spiral (helicoidal) tunnels and tunnels on a curved alignment on railway lines worldwide.
A part of a line is bracketed (), if it is located in a country other than that mentioned in the specific table:
Example: :(Lausanne – Montreux – Sierre – Visp – Brig – ) → Switzerland
Africa
South Africa
Line | Location | Tunnel Name | Kind of Tunnel | Length in m | Gradient in ‰ | Kind of Operation | Gauge in mm | Railway Company | Remarks |
Ladysmith–Harrismith | Van Reenen's Pass | Tunnel 4 | Spiral | approx 1175 | adhesion | 1,067 | South African Railways | Construction started 1957. Put into service 12 June 1961. 28°22′01″S 29°25′50″E / 28.367°S 29.43049°E |
Americas
United States
Line | Location | Tunnel Name | Kind of Tunnel | Length in m | Gradient in ‰ | Kind of Operation | Gauge in mm | Railway Company | Remarks |
None | Stevens Pass | Martin Creek Tunnel | Spiral | about 300 | 22 | 1,435 | Great Northern Railway | Built by 1893, Retired in 1929 by the opening of the new Cascade Tunnel. 47°43′26″N 121°12′01″W / 47.723822°N 121.200340°W | |
Canada
Line | Location | Tunnel Name | Kind of Tunnel | Length in m | Gradient in ‰ | Kind of Operation | Gauge in mm | Railway Company | Remarks |
Western Section of The CPR | Kicking Horse Pass | Big Hill | Spiral | two of 900 | 22 | Adhesion | 1,435 | Canadian Pacific |
Asia
Russia
Line | Location | Tunnel Name | Kind of Tunnel | Length in m | Gradient in ‰ | Kind of Operation | Gauge in mm | Railway Company | Remarks |
Baikal-Amur Mainline, Novy Uoyan – Taksimo |
Severomuysky Diversion, Osypnoy – Pereval |
Tunnel no. 1 | Horseshoe | 2,142 | 1,520 | East Siberian Railway | Built in 1989; after the completion of Severomuysky Tunnel in 2006 serve as a reserve route.[1] 56°14′N 113°26′E / 56.23°N 113.43°E | ||
Severomuysky Diversion, Goryachiy Klyuch – Okusikan |
Tunnel no. 2 | Curved alignment | 752 |
Europe
Croatia
Line | Location | Tunnel Name | Kind of Tunnel | Length in m | Gradient in ‰ | Kind of Operation | Gauge in mm | Railway Company | Remarks |
Zagreb - Rijeka | Rijeka | Brajdica | Spiral | 1,873 | 21 | Adhesion | 1,435 | HŽ | Nearly a 360° loop entirely in tunnel. |
France
Line | Location | Tunnel Name | Kind of Tunnel | Length in m | Gradient in ‰ | Kind of Operation | Gauge in mm | Railway Company | Remarks |
Cuneo to Nice | 42.619 km south of Cuneo | Tunnel de Branego | Turn | 1,272 | Adhesion | 1,435 | FS & SNCF | ||
Cuneo to Nice | 47.890 km south of Cuneo | Tunnel de Cagnolina | Spiral | 1,476 | Adhesion | 1,435 | FS & SNCF | ||
Cuneo to Nice | 54.091 km south of Cuneo | Tunnel be Bosseglia | Turn | 1,583 | Adhesion | 1,435 | FS & SNCF | ||
Cuneo to Nice | 57.439 km south of Cuneo | Tunnel de Rioro 1 & 2 | Spiral | 1,828 | Adhesion | 1,435 | FS & SNCF | ||
Cuneo to Nice | 59.575 km south of Cuneo | Tunnel de Biogna | Turn | 1,155 | Adhesion | 1,435 | FS & SNCF | ||
Cuneo to Nice | 59.853 km south of Cuneo | Tunnel Porcarezzo | Turn | 1,251 | Adhesion | 1,435 | FS & SNCF | ||
Cuneo to Nice | 65.817 km south of Cuneo | Berghe | Spiral | 1,881 | Adhesion | 1,435 | FS & SNCF | ||
Toulouse to Barcelona | 2 km north-east of l'Hospitalet | Tunnel Helicoïdal de Saillens | Spiral | 1,752 | Adhesion | 1,435 | SNCF |
Germany
Line | Location | Tunnel Name | Kind of Tunnel | Length in m | Gradient in ‰ | Kind of Operation | Gauge in mm | Railway Company | Remarks |
Offenburg - Singen | Niederwasser Tunnel [2] | Curved alignment | 558 | 17-19 | Adhesion | 1,435 | DB | ||
Offenburg - Singen | Triberg | Grosser Triberg Tunnel [2] | Curved alignment | 835 | 17-19 | Adhesion | 1,435 | DB | |
Wutach Valley Railway | Grosser Stockhalde Tunnel [3] | Spiral | 1,700 | Adhesion | 1,435 | DB | |||
Wutach Valley Railway | Kehrtunnel im Weiler [3] | Curved alignment | 1,205 | Adhesion | 1,435 | DB |
Italy
Line | Location | Tunnel Name | Kind of Tunnel | Length in m | Gradient in ‰ | Kind of Operation | Gauge in mm | Railway Company | Remarks |
(Lausanne – Montreux – Sierre – Visp – Brig – ) Iselle – Domodossola | Iselle, Varzo | Varzo | Spiral | 2,968 | 22 | Adhesion | 1,435 | SBB CFF FFS | Simplon Line (probably the longest curved alignment tunnel in the world) |
(Locarno – Intragna – ) Camedo – Domodossola | Trontano | Pelcetino | Loop/Curved alignment | 196 | 60 | Adhesion | 1,000 | (FART), SSIF | |
(Metropolitana di Napoli) Line 1 | Napoli | Spiral | 55 | Adhesion | 1,435 | Metronapoli | metro/subway line | ||
Ferrovia Nulvi-Tempio-Palau (Italian) | Nulvi – Tempio – Palau (Sardinia) | Galleria elicoidale di Bortigiadas | Curved alignment | Adhesion | 950 | Trenino Verde | Tourist service only | ||
Torino - San Giuseppe di Cairo - Savona | Savona | Santuario | Curved alignment | 2063 | 30~ | Adhesion | 1,435 | FS | makes a complete loop with some open air sections and other two shorter tunnels |
Cuneo to Nice | 24.119 km south of Cuneo | Galleria hélicoidoïl di Vernante | Spiral | 1502m | Adhesion | 1,435 | FS & SNCF | details of this route continue under 'France' above. | |
Roccasecca - Avezzano | Capistrello | Capistrello-La Giorgia | S-shaped | 2750 | ? | Adhesion | 1,435 | FS |
Russia
Line | Location | Tunnel Name | Kind of Tunnel | Length in m | Gradient in ‰ | Kind of Operation | Gauge in mm | Railway Company | Remarks |
Armavir – Tuapse | Gorny – Indyuk | Bolshoy Petlevoy | Curved alignment | 1,015 | 1,520 | North Caucasus Railway | Three tunnels on a single loop, built in 1914, reconstructed in 2006.[4] 44°15′41″N 39°14′54″E / 44.2615°N 39.248306°E | ||
Maly Petlevoy | Curved alignment | 169 | |||||||
Sredniy Petlevoy | Curved alignment | 356 | |||||||
Switzerland
The turn tunnels in the following table are sorted from West to East according to the location of the start point of the line.
Line | Location | Tunnel Name | Kind of Tunnel | Length in m | Gradient in ‰ | Kind of Operation | Gauge in mm | Railway Company | Remarks |
Bex – Bretaye | Fontannaz-Seulaz | Fontannaz-Seulaz | Loop/Curved alignment | 182 | 195 | Rack | 1,000 | TPC (BVB) | |
Martigny – Châtelard( – Vallorcine – Chamonix) | Salvan | Charbons | Loop/Curved alignment | 419 | 200 | Rack | 1,000 | MC | |
Zermatt – Gornergrat | Riffelalp | Landtunnel | Loop/Curved alignment | 174 | 200 | Rack | 1,000 | GGB | |
Montreux – Zweisimmen | Montreux | Montreux | Loop/Curved alignment | 184 | 65 | Adhesion | 1,000 | MOB | |
Montreux – Zweisimmen | Chamby | Chamby | Loop/Curved alignment | 314 | 67 | Adhesion | 1,000 | MOB | |
Aigle – Leysin-Grand Hotel | Leysin-Feydey | Leysin | Loop/Curved alignment | 233 | 223 | Rack | 1,000 | TPC (AL) | |
Aigle – Les Diablerets | Aigle | Grand-Hôtel | Loop/Curved alignment | 119 | 60 | Adhesion | 1,000 | TPC (ASD) | |
Montreux – Rochers de Naye | Glion | Valmont | Loop/Curved alignment | 385 | 130 | Rack | 800 | MVR (MTGN) | |
Montreux – Rochers de Naye | Caux | Tremblex | Loop/Curved alignment | 144 | 220 | Rack | 800 | MVR (MTGN) | |
Montreux – Rochers de Naye | Dent de Jaman | Jaman | Loop/Curved alignment | 77 | 220 | Rack | 800 | MVR (MTGN) | |
Vevey – Les Pléiades | Vevey | Gilamont | Loop/Curved alignment | 84 | 50 | Adhesion | 1,000 | MVR (CEV) | |
Brig – Spiez | Kandergrund | – | Loop/Curved alignment | 1,655 | 27 | Adhesion | 1,435 | BLS | Lötschbergbahn |
Zermatt – Visp – Brig – Andermatt – Disentis | Grengiols | Grengiols I | Spiral | 502 | 96 | Rack | 1,000 | MGB | Glacier-Express |
Zermatt – Visp – Brig – Andermatt – Disentis | Andermatt | Butzen | Loop/Curved alignment | 169 | 110 | Rack | 1,000 | MGB | Glacier-Express |
Zermatt – Visp – Brig – Andermatt – Disentis | Andermatt | Biel | Loop/Curved alignment | 279 | 110 | Rack | 1,000 | Matterhorn-Gotthard-Bahn | Glacier-Express |
Zermatt – Visp – Brig – Andermatt – Disentis | Andermatt | Rufenen | Loop/Curved alignment | 255 | 110 | Rack | 1,000 | Matterhorn-Gotthard-Bahn | Glacier-Express |
Kleine Scheidegg – Jungfraujoch | Eiger, Mönch |
Jungfrau | Loop/Curved alignment | 7,122 | 250 | Rack | 1,000 | JB | The curved alignment is only part of the tunnel. |
Grindelwald – Kleine Scheidegg – Lauterbrunnen | Wengen | – | Loop/Curved alignment | 248 | 180 | Rack | 800 | WAB | |
Wilderswil – Schynige Platte | Rotenegg | Loop/Curved alignment | 168 | 250 | Rack | 800 | SPB | ||
Lauterbrunnen – Isenfluh | Isenfluh | Chuchischleif | Loop/Curved alignment | 1200 | 360 | Tires | 800 | Road tunnel | |
Brienz – Rothorn Kulm | Planalp | Schonegg II | Loop/Curved alignment | 119 | 250 | Rack | 800 | BRB | |
Luzern – Göschenen – Airolo – Bellinzona – Chiasso | Gurtnellen | Pfaffensprung | Spiral | 1,476 | 26 | Adhesion | 1,435 | SBB CFF FFS | Gotthardbahn |
Luzern – Göschenen – Airolo – Bellinzona – Chiasso | Wassen | Wattingen | Loop/Curved alignment | 1,084 | 26 | Adhesion | 1’435 | SBB CFF FFS | Gotthardbahn |
Luzern – Göschenen – Airolo – Bellinzona – Chiasso | Wassen | Leggistein | Loop/Curved alignment | 1,090 | 26 | Adhesion | 1,435 | SBB CFF FFS | Gotthardbahn |
Luzern – Göschenen – Airolo – Bellinzona – Chiasso | Prato | Freggio | Spiral | 1,568 | 27 | Adhesion | 1,435 | SBB CFF FFS | Gotthardbahn |
Luzern – Göschenen – Airolo – Bellinzona – Chiasso | Prato | Prato | Spiral | 1'560 | 28 | Adhesion | 1,435 | SBB CFF FFS | Gotthardbahn |
Luzern – Göschenen – Airolo – Bellinzona – Chiasso | Giornico | Pianotondo | Spiral | 1,508 | 26 | Adhesion | 1,435 | SBB CFF FFS | Gotthardbahn |
Luzern – Göschenen – Airolo – Bellinzona – Chiasso | Giornico | Travi | Spiral | 1,547 | 27 | Adhesion | 1,435 | SBB CFF FFS | Gotthardbahn |
Chur – Thusis – Tiefencastel – Filisur – Samedan – St. Moritz | Filisur | Greifenstein | Spiral | 698 | 35 | Adhesion | 1,000 | RhB | Albula Railway Glacier-Express |
Chur – Thusis – Tiefencastel – Filisur – Samedan – St. Moritz | Bergün | God | Loop/Curved alignment | 486 | 35 | Adhesion | 1,000 | RhB | Albula Railway Glacier-Express |
Chur – Thusis – Tiefencastel – Filisur – Samedan – St. Moritz | Bergün | Platz | Loop/Curved alignment | 262 | 35 | Adhesion | 1,000 | RhB | Albula Railway Glacier-Express |
Chur – Thusis – Tiefencastel – Filisur – Samedan – St. Moritz | Preda | Rugnux | Spiral | 662 | 35 | Adhesion | 1,000 | RhB | Albula Railway Glacier-Express |
Chur – Thusis – Tiefencastel – Filisur – Samedan – St. Moritz | Preda | Toua | Spiral | 677 | 35 | Adhesion | 1,000 | RhB | Albula Railway Glacier-Express |
Chur – Thusis – Tiefencastel – Filisur – Samedan – St. Moritz | Preda | Zoundra | Spiral | 535 | 35 | Adhesion | 1,000 | RhB | Albula Railway Glacier-Express |
St. Moritz – Pontresina – Poschiavo( – Tirano) | Alp Grüm | Palü | Loop/Curved alignment | 254 | 70 | Adhesion | 1,000 | RhB | Bernina Railway Bernina-Express |
St. Moritz – Pontresina – Poschiavo( – Tirano) | Alp Grüm | Val Pila | Loop/Curved alignment | 227 | 70 | Adhesion | 1,000 | RhB | Bernina Railway Bernina-Express |
St. Moritz – Pontresina – Poschiavo( – Tirano) | Poschiavo | Val Varuna I (Oberer Varuna) | Loop/Curved alignment | 149 | 70 | Adhesion | 1,000 | RhB | Bernina Railway Bernina-Express |
St. Moritz – Pontresina – Poschiavo( – Tirano) | Poschiavo | Val Varuna I (Unterer Varuna) | Loop/Curved alignment | 147 | 70 | Adhesion | 1,000 | RhB | Bernina Railway Bernina-Express |
St. Moritz – Pontresina – Poschiavo( – Tirano) | Poschiavo | Balbalera | Loop/Curved alignment | 122 | 70 | Adhesion | 1,000 | RhB | Bernina Railway Bernina-Express |
Landquart – Klosters – Davos | Klosters | Klosters | Loop/Curved alignment | 399 | 45 | Adhesion | 1,000 | RhB | Replaced 1930 the zig zag in Klosters. |
Landquart – Klosters – Davos | Klosters | Cavadürli | Loop/Curved alignment | 334 | 45 | Adhesion | 1,000 | RhB | |
Klosters - Sagliains | Klosters | Zugwald | Loop/Curved alignment | 2172 | ~40 | Adhesion | 1,000 | RhB | On the ramp to the Vereina Tunnel. |
Slovakia
Line | Location | Tunnel Name | Kind of Tunnel | Length in m | Gradient in ‰ | Kind of Operation | Gauge in mm | Railway Company | Remarks |
Margecany – Červená Skala | Telgárt | Tunnel Telgárt [5] | Curved alignment | 1,240 | 12.5 | Adhesion | 1,435 | ZSSK |
United Kingdom
Line | Location | Tunnel Name | Kind of Tunnel | Length in m | Gradient in ‰ | Kind of Operation | Gauge in mm | Railway Company | Remarks |
Woodhead Line | South Yorkshire | Thurgoland Tunnel | Curved alignment | 282 | 8 | Adhesion | 1,435 | British Rail (was LNER) | 1845-1983 |
Oceania
New Zealand
Line | Location | Tunnel Name | Kind of Tunnel | Length in m | Gradient in ‰ | Kind of Operation | Gauge in mm | Railway Company | Remarks |
North Island Main Trunk | Raurimu | Raurimu Spiral | Spiral | 383 | 19 | Adhesion | 1,067 | New Zealand Railways Corporation |
Australia
Line | Location | Tunnel Name | Kind of Tunnel | Length in m | Gradient in ‰ | Kind of Operation | Gauge in mm | Railway Company | Remarks |
North Coast Railway | Cougal | Cougal Spiral | Spiral | 200 | 15 | Adhesion | 1,435 | Railcorp | Also known as 'Border Loop' |
References
- ↑ Обход Северомуйского тоннеля (in Russian). Веб-энциклопедия Транссиба. Retrieved 6 November 2013.
- 1 2 Tunnels of the Black Forest Railway(www.nvog.de/bswb.de (in German language) )
- 1 2 Map of the Wutach Valley Railway
- ↑ Большой петлевой тоннель (in Russian). "Bamtonnelstroy" JSC. Retrieved 6 November 2013.
- ↑ Telgártska sľučka - (in Slovak language)
- Hans G. Wägli: Schienennetz Schweiz/Réseau ferré suisse; Schweizerische Bundesbahnen, Generalsekretariat; 1980; ISBN 3-905111-21-7 (Edition 1998)
Locations partly from:
- Bundesamt für Landestopografie, Landeskarte der Schweiz, Zusammensetzung 101, Thuner See Zentralschweiz, 1:100'000, 1987
- Office fédéral de topographie, Carte nationale de la Suisse, Assemblage 104, Lausanne-Bern, 1:100'000, 1986
- Office fédéral de topographie, Carte nationale de la Suisse, Assemblage 105, Valais∙Wallis, 1:100'000, 1987
- Bundesamt für Landestopografie, Landeskarte der Schweiz, Zusammensetzung 106, Glarnerland Bündnerland, 1:100'000, 1985
- Ufficio federale di topografia, Carta nazionale della Svizzera, Carte riunite 107, Ticino∙Tessin, 1:100'000, 1987
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