base tunnel

A base tunnel is a type of tunnel, mainly a railway tunnel, that is built through the base of a mountain pass. This type of tunnel typically connects two valleys at about the same altitudes.

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Wikidata
tunnel, 
tunnel, Hauenstein, Erzgebirgstunnel, Mont d'Ambin, Semmering Base Tunnel, Lötschberg Base Tunnel, Pajares Base Tunnel, Arlberg Road Tunnel, Base tunnel, 

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Location: KML, Cluster Map, Maps,
14 places

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  Ceneri Base Tunnel ⓘ
  railway tunnel

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  Erzgebirgstunnel ⓘ
  tunnel through the Ore Mountains on the German and Czech side between Heidenau and Chabařovice

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  Hauenstein base tunnel ⓘ
  

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  Lötschberg Base Tunnel ⓘ
  34.6km tunnel opened in 2007

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  Mont d'Ambin base tunnel ⓘ
  rail tunnel connecting Italy and France

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  Pajares Base Tunnel ⓘ
  railway tunnel

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  Zimmerberg Base Tunnel ⓘ
  railway tunnel in northeastern Switzerland

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  Mont Blanc Tunnel ⓘ
  road tunnel connecting France and Italy

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  Tauern Road Tunnel ⓘ
  highway tunnel in Austria

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  Arlberg Road Tunnel ⓘ
  architectural structure

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  Furka Base Tunnel ⓘ
  railway tunnel

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  Brenner Base Tunnel ⓘ
  railway tunnel

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  Gotthard Base Tunnel ⓘ
  railway tunnel through the Swiss Alps

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  Semmering Base Tunnel ⓘ
  railway tunnel in Austria

Frameless

• The Geological Reference Model for the Feasibility Study of the Corredor Bioceanico Aconcagua Base Tunnel (Argentina-Chile Trans-Andean Railway) - article, Q1860, 2014

Type	Subtype	Date	Description	Notes	Source
site	tunnel		Ceneri Base Tunnel	high-speed railway tunnel, base tunnel, Swiss Federal Railways	Wikidata
site	tunnel		Erzgebirgstunnel	proposed tunnel, base tunnel, railway tunnel	Wikidata
site	tunnel		Hauenstein base tunnel	base tunnel, railway tunnel	Wikidata
site	tunnel		Lötschberg Base Tunnel	high-speed railway tunnel, base tunnel, railway tunnel, BLS AG	Wikidata
site	tunnel		Mont d'Ambin base tunnel	base tunnel, Tunnel Euralpin Lyon Turin, high-speed railway tunnel, proposed tunnel, international tunnel	Wikidata
site	tunnel		Pajares Base Tunnel	base tunnel, high-speed railway tunnel	Wikidata
site	tunnel		Zimmerberg Base Tunnel	base tunnel, Swiss Federal Railways, railway tunnel, railway line	Wikidata
site	tunnel	1965	Mont Blanc Tunnel	Autoroutes et tunnel du Mont-Blanc, toll tunnel, base tunnel, international tunnel, road tunnel	Wikidata
site	tunnel	1975	Tauern Road Tunnel	base tunnel, road tunnel, ASFiNAG	Wikidata
site	tunnel	1978	Arlberg Road Tunnel	base tunnel, road tunnel, ASFiNAG	Wikidata
site	tunnel	1982	Furka Base Tunnel	base tunnel, Matterhorn Gotthard Bahn, railway tunnel	Wikidata
site	tunnel	2008	Brenner Base Tunnel	international tunnel, proposed tunnel, base tunnel, railway tunnel	Wikidata
site	tunnel	2016	Gotthard Base Tunnel	high-speed railway tunnel, transport megaproject, base tunnel, Swiss Federal Railways	Wikidata
site	tunnel	2027	Semmering Base Tunnel	ÖBB-Infrastruktur, base tunnel, railway tunnel	Wikidata