Ceneri Base Tunnel
E595881
The Ceneri Base Tunnel is a major Swiss railway tunnel through the Ceneri massif that forms a key part of the New Railway Link through the Alps, improving north–south transit between central Switzerland and the canton of Ticino.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ceneri Base Tunnel canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6373476 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ceneri Base Tunnel Context triple: [Canton of Ticino, hasTransportInfrastructure, Ceneri Base Tunnel]
-
A.
Gotthard Base Tunnel
The Gotthard Base Tunnel is a 57-kilometer railway tunnel beneath the Swiss Alps, renowned as one of the world’s longest and deepest traffic tunnels, designed to improve high-speed rail connectivity across Europe.
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B.
Simplon Tunnel
The Simplon Tunnel is a major railway tunnel beneath the Alps connecting Switzerland and Italy, historically significant as one of the longest and most important transalpine rail routes.
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C.
Gotthard Road Tunnel
The Gotthard Road Tunnel is a major Swiss Alpine tunnel and one of Europe’s key north–south road links, carrying traffic beneath the Saint-Gotthard Massif.
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D.
Lötschberg Tunnel
The Lötschberg Tunnel is a major Swiss railway tunnel through the Bernese Alps that provides a key north–south transit route between the cantons of Bern and Valais.
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E.
Zimmerberg Base Tunnel
The Zimmerberg Base Tunnel is a major Swiss railway tunnel that provides a fast, low-gradient route for passenger and freight trains between Zurich and central Switzerland.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ceneri Base Tunnel Target entity description: The Ceneri Base Tunnel is a major Swiss railway tunnel through the Ceneri massif that forms a key part of the New Railway Link through the Alps, improving north–south transit between central Switzerland and the canton of Ticino.
-
A.
Gotthard Base Tunnel
The Gotthard Base Tunnel is a 57-kilometer railway tunnel beneath the Swiss Alps, renowned as one of the world’s longest and deepest traffic tunnels, designed to improve high-speed rail connectivity across Europe.
-
B.
Simplon Tunnel
The Simplon Tunnel is a major railway tunnel beneath the Alps connecting Switzerland and Italy, historically significant as one of the longest and most important transalpine rail routes.
-
C.
Gotthard Road Tunnel
The Gotthard Road Tunnel is a major Swiss Alpine tunnel and one of Europe’s key north–south road links, carrying traffic beneath the Saint-Gotthard Massif.
-
D.
Lötschberg Tunnel
The Lötschberg Tunnel is a major Swiss railway tunnel through the Bernese Alps that provides a key north–south transit route between the cantons of Bern and Valais.
-
E.
Zimmerberg Base Tunnel
The Zimmerberg Base Tunnel is a major Swiss railway tunnel that provides a fast, low-gradient route for passenger and freight trains between Zurich and central Switzerland.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | railway tunnel ⓘ |
| breakthroughDate | 2016 ⓘ |
| builtBy | AlpTransit Gotthard AG NERFINISHED ⓘ |
| connects |
Camorino
NERFINISHED
ⓘ
Vezia NERFINISHED ⓘ |
| constructionMethod | drill and blast ⓘ |
| constructionStartDate | 2006 ⓘ |
| country | Switzerland ⓘ |
| crosses | Alps NERFINISHED ⓘ |
| electrification | 15 kV 16.7 Hz AC overhead line ⓘ |
| endPoint | Vezia NERFINISHED ⓘ |
| ETCSLevel | Level 2 ⓘ |
| fundedBy | Swiss Confederation NERFINISHED ⓘ |
| gauge | standard gauge ⓘ |
| hasSafetyFeature |
cross-passages between tubes
ⓘ
emergency stops ⓘ ventilation system ⓘ |
| improves |
capacity on Gotthard rail corridor
ⓘ
travel times between northern and southern Switzerland ⓘ |
| isBelow | Monte Ceneri Pass NERFINISHED ⓘ |
| languageOfRegion | Italian ⓘ |
| length | approximately 15.4 kilometres ⓘ |
| lineUsedBy | Gotthard axis NERFINISHED ⓘ |
| locatedIn |
Canton of Ticino
NERFINISHED
ⓘ
Ceneri massif NERFINISHED ⓘ |
| maximumDesignSpeed | 250 km/h ⓘ |
| nearCity |
Bellinzona
NERFINISHED
ⓘ
Lugano NERFINISHED ⓘ |
| numberOfTracks | 2 ⓘ |
| numberOfTubes | 2 ⓘ |
| openingDate | 2020-09-04 ⓘ |
| operator | Swiss Federal Railways NERFINISHED ⓘ |
| owner | Swiss Confederation NERFINISHED ⓘ |
| partOf |
NRLA
NERFINISHED
ⓘ
New Railway Link through the Alps NERFINISHED ⓘ |
| partOfCorridor | Rhine–Alpine freight corridor NERFINISHED ⓘ |
| purpose |
freight rail transport
ⓘ
passenger rail transport ⓘ |
| reducesTravelTimeBetween |
Bellinzona
NERFINISHED
ⓘ
Lugano NERFINISHED ⓘ |
| replaces | older Monte Ceneri summit line for most traffic ⓘ |
| role | key part of north–south transit between central Switzerland and Ticino ⓘ |
| startOfRegularService | 2020-12-13 ⓘ |
| startPoint | Camorino NERFINISHED ⓘ |
| system | European Train Control System NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Ceneri Base Tunnel Description of subject: The Ceneri Base Tunnel is a major Swiss railway tunnel through the Ceneri massif that forms a key part of the New Railway Link through the Alps, improving north–south transit between central Switzerland and the canton of Ticino.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.