Tromsøysund Tunnel
E280132
Tromsøysund Tunnel is an undersea road tunnel in northern Norway that connects the island city of Tromsø to the mainland.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tromsøysund Tunnel canonical | 3 |
| Tromsøysundtunnelen | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2551050 — 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: Tromsøysund Tunnel Context triple: [Tromsø, hasTunnel, Tromsøysund Tunnel]
-
A.
Jøssingfjord road tunnel
The Jøssingfjord road tunnel is a Norwegian roadway tunnel carved into the steep cliffs along Jøssingfjord, providing a dramatic coastal driving route in Rogaland county.
-
B.
Maastunnel
Maastunnel is a historic traffic tunnel in Rotterdam, the Netherlands, carrying road, bicycle, and pedestrian traffic beneath the Nieuwe Maas river.
-
C.
Piet Hein Tunnel
The Piet Hein Tunnel is a major road and tram tunnel in Amsterdam that connects the city center with the Eastern Docklands and the A10 ring road.
-
D.
Tromsø Bridge
Tromsø Bridge is an iconic cantilever road bridge in Tromsø, Norway, known for connecting the island of Tromsøya to the mainland and for its striking Arctic scenery.
-
E.
Lysaker Bridge
Lysaker Bridge is a key road and rail bridge in the Oslo area of Norway, carrying major traffic across the Lysaker River between Oslo and Bærum.
- 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: Tromsøysund Tunnel Target entity description: Tromsøysund Tunnel is an undersea road tunnel in northern Norway that connects the island city of Tromsø to the mainland.
-
A.
Jøssingfjord road tunnel
The Jøssingfjord road tunnel is a Norwegian roadway tunnel carved into the steep cliffs along Jøssingfjord, providing a dramatic coastal driving route in Rogaland county.
-
B.
Maastunnel
Maastunnel is a historic traffic tunnel in Rotterdam, the Netherlands, carrying road, bicycle, and pedestrian traffic beneath the Nieuwe Maas river.
-
C.
Piet Hein Tunnel
The Piet Hein Tunnel is a major road and tram tunnel in Amsterdam that connects the city center with the Eastern Docklands and the A10 ring road.
-
D.
Tromsø Bridge
Tromsø Bridge is an iconic cantilever road bridge in Tromsø, Norway, known for connecting the island of Tromsøya to the mainland and for its striking Arctic scenery.
-
E.
Lysaker Bridge
Lysaker Bridge is a key road and rail bridge in the Oslo area of Norway, carrying major traffic across the Lysaker River between Oslo and Bærum.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
road tunnel
ⓘ
subsea road tunnel ⓘ undersea tunnel ⓘ |
| builtFor | improving connection between Tromsøya and mainland ⓘ |
| category |
Road tunnels in Troms og Finnmark
ⓘ
Subsea tunnels in Norway ⓘ Transport in Tromsø ⓘ Tunnels completed in 1994 ⓘ |
| cityServed | Tromsø ⓘ |
| connects |
Norwegian mainland
ⓘ
Tromsøya ⓘ
linked to:
Tromsøya island
|
| constructionStart | early 1990s ⓘ |
| country | Norway ⓘ |
| crosses | Tromsøysundet ⓘ |
| hasAccess |
from Tromsøya
ⓘ
from mainland Troms ⓘ |
| hasFunction | road transport link ⓘ |
| hasJunction |
connection to Tromsøysund Bridge approach roads
ⓘ
underground roundabout ⓘ |
| hasLane | 2 lanes in each direction ⓘ |
| hasNorwegianName |
Tromsøysundtunnelen
ⓘ
linked to:
Tromsøysund Tunnel
|
| hasStructureType | bored rock tunnel ⓘ |
| isPartOf | infrastructure of Tromsø ⓘ |
| isTollRoad | no ⓘ |
| languageOfName | Norwegian ⓘ |
| length |
3.5 km
ⓘ
approximately 3500 m ⓘ |
| locatedIn |
Northern Norway
ⓘ
Troms og Finnmark ⓘ Tromsø Municipality ⓘ |
| locatedNorthOf | Arctic Circle ⓘ |
| locatedUnder |
Tromsøysundet strait
ⓘ
linked to:
Tromsøysundet
|
| lowestPoint | about 102 m below sea level ⓘ |
| numberOfLanes | 4 ⓘ |
| numberOfTubes | 2 ⓘ |
| opened | 1994 ⓘ |
| openingDate | 1994-11-03 ⓘ |
| operator |
Statens vegvesen
ⓘ
linked to:
Norwegian Public Roads Administration
|
| owner | Norwegian Public Roads Administration ⓘ |
| partOf | road network of Tromsø ⓘ |
| previouslyTollRoad | yes ⓘ |
| regionServed |
Tromsø urban area
ⓘ
linked to:
Tromsø
|
| road | Norwegian National Road 862 ⓘ |
| tollRemoved | 2003 ⓘ |
| trafficType | motor vehicles ⓘ |
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: Tromsøysund Tunnel Description of subject: Tromsøysund Tunnel is an undersea road tunnel in northern Norway that connects the island city of Tromsø to the mainland.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.