Fréjus Road Tunnel
E31991
The Fréjus Road Tunnel is a major trans-Alpine highway tunnel linking France and Italy through the Alps, serving as an important route for international road traffic.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Fréjus Road Tunnel canonical | 12 |
| Fréjus Road Tunnel French portal | 1 |
| Fréjus Tunnel Italian portal | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T238754 — 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: Fréjus Road Tunnel Context triple: [French–Italian border, crosses, Fréjus Road Tunnel]
-
A.
Mont Blanc Tunnel
The Mont Blanc Tunnel is a major trans-Alpine road tunnel linking France and Italy beneath the Mont Blanc massif, serving as a key route for international traffic through the Alps.
-
B.
Channel Tunnel
The Channel Tunnel is a 50-kilometer undersea rail tunnel linking the United Kingdom and France, serving as a major passenger and freight transport route between the two countries.
-
C.
Pont du Mont-Blanc
Pont du Mont-Blanc is a major bridge in Geneva, Switzerland, spanning the Rhône at the outlet of Lake Geneva and serving as a central traffic artery with views of the city’s famous lakeside landmarks.
-
D.
Crimean Bridge
The Crimean Bridge is a massive road-and-rail bridge spanning the Kerch Strait, linking mainland Russia with the Crimean Peninsula and serving as a key strategic and political infrastructure project.
-
E.
Saint-Julien-en-Genevois–Perly crossing
The Saint-Julien-en-Genevois–Perly crossing is a road border checkpoint linking the French town of Saint-Julien-en-Genevois with the Swiss locality of Perly, serving as a local gateway between the two countries near Geneva.
- 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: Fréjus Road Tunnel Target entity description: The Fréjus Road Tunnel is a major trans-Alpine highway tunnel linking France and Italy through the Alps, serving as an important route for international road traffic.
-
A.
Mont Blanc Tunnel
The Mont Blanc Tunnel is a major trans-Alpine road tunnel linking France and Italy beneath the Mont Blanc massif, serving as a key route for international traffic through the Alps.
-
B.
Channel Tunnel
The Channel Tunnel is a 50-kilometer undersea rail tunnel linking the United Kingdom and France, serving as a major passenger and freight transport route between the two countries.
-
C.
Pont du Mont-Blanc
Pont du Mont-Blanc is a major bridge in Geneva, Switzerland, spanning the Rhône at the outlet of Lake Geneva and serving as a central traffic artery with views of the city’s famous lakeside landmarks.
-
D.
Crimean Bridge
The Crimean Bridge is a massive road-and-rail bridge spanning the Kerch Strait, linking mainland Russia with the Crimean Peninsula and serving as a key strategic and political infrastructure project.
-
E.
Saint-Julien-en-Genevois–Perly crossing
The Saint-Julien-en-Genevois–Perly crossing is a road border checkpoint linking the French town of Saint-Julien-en-Genevois with the Swiss locality of Perly, serving as a local gateway between the two countries near Geneva.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
alpine tunnel
ⓘ
international transport infrastructure ⓘ road tunnel ⓘ |
| connects |
Bardonecchia
ⓘ
France ⓘ Italy ⓘ Modane ⓘ |
| country |
France
ⓘ
Italy ⓘ |
| crosses | French–Italian border ⓘ |
| elevation | high-altitude alpine tunnel ⓘ |
| hasLanes | 2 ⓘ |
| hasRestriction |
bicycles not allowed
ⓘ
pedestrians not allowed ⓘ |
| hasSafetyFeatures |
emergency exits
ⓘ
fire detection systems ⓘ ventilation system ⓘ video surveillance ⓘ |
| hasToll | yes ⓘ |
| importance |
key freight corridor across the Alps
ⓘ
major international road link between France and Italy ⓘ |
| length |
approximately 12.8 kilometres
ⓘ
approximately 12800 metres ⓘ |
| locatedIn |
Alps
ⓘ
Cottian Alps ⓘ Piedmont ⓘ Savoie ⓘ |
| locatedNear |
Mont Cenis Pass
ⓘ
linked to:
Col du Mont Cenis
|
| opened | 1980 ⓘ |
| operatorCountry |
France
ⓘ
Italy ⓘ |
| parallelInfrastructure | Fréjus Rail Tunnel ⓘ |
| partOf |
European road network
ⓘ
linked to:
Trans-European transport network
trans-Alpine road corridor ⓘ |
| regionServed |
Piedmont region of Italy
ⓘ
Rhône-Alpes ⓘ
linked to:
Auvergne-Rhône-Alpes region
|
| regulates | hazardous materials transport ⓘ |
| role | bypass for alpine mountain passes in winter ⓘ |
| status | in operation ⓘ |
| tollAppliesTo |
cars
ⓘ
trucks ⓘ |
| trafficDirection | bidirectional ⓘ |
| transportMode | motor vehicles ⓘ |
| use |
freight transport
ⓘ
passenger transport ⓘ road traffic ⓘ |
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: Fréjus Road Tunnel Description of subject: The Fréjus Road Tunnel is a major trans-Alpine highway tunnel linking France and Italy through the Alps, serving as an important route for international road traffic.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Fréjus Road Tunnel
linked to: Fréjus Road Tunnel