Limfjord Tunnel
E669136
The Limfjord Tunnel is an underwater road tunnel in northern Denmark that carries motorway traffic beneath the Limfjord, connecting the city of Aalborg with Nørresundby.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Limfjord Road Tunnel | 1 |
| Limfjord Tunnel canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7488757 — 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: Limfjord Tunnel Context triple: [Limfjord, crossedBy, Limfjord Tunnel]
-
A.
Bømlafjord Tunnel
Bømlafjord Tunnel is a subsea road tunnel in Vestland county, Norway, forming part of the fixed link connection between the island municipality of Bømlo and the mainland.
-
B.
Tromsøysund Tunnel
Tromsøysund Tunnel is an undersea road tunnel in northern Norway that connects the island city of Tromsø to the mainland.
-
C.
Finnøy Tunnel
The Finnøy Tunnel is an undersea road tunnel in Norway that connects the island of Finnøy to the mainland road network.
-
D.
Eysturoy Tunnel
The Eysturoy Tunnel is a subsea road tunnel in the Faroe Islands notable for its undersea roundabout and for significantly shortening travel times between the capital Tórshavn and the island of Eysturoy.
-
E.
Lærdal Tunnel
The Lærdal Tunnel is a 24.5-kilometer road tunnel in Norway, renowned as one of the world's longest road tunnels and a key link between Oslo and Bergen.
- 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: Limfjord Tunnel Target entity description: The Limfjord Tunnel is an underwater road tunnel in northern Denmark that carries motorway traffic beneath the Limfjord, connecting the city of Aalborg with Nørresundby.
-
A.
Bømlafjord Tunnel
Bømlafjord Tunnel is a subsea road tunnel in Vestland county, Norway, forming part of the fixed link connection between the island municipality of Bømlo and the mainland.
-
B.
Tromsøysund Tunnel
Tromsøysund Tunnel is an undersea road tunnel in northern Norway that connects the island city of Tromsø to the mainland.
-
C.
Finnøy Tunnel
The Finnøy Tunnel is an undersea road tunnel in Norway that connects the island of Finnøy to the mainland road network.
-
D.
Eysturoy Tunnel
The Eysturoy Tunnel is a subsea road tunnel in the Faroe Islands notable for its undersea roundabout and for significantly shortening travel times between the capital Tórshavn and the island of Eysturoy.
-
E.
Lærdal Tunnel
The Lærdal Tunnel is a 24.5-kilometer road tunnel in Norway, renowned as one of the world's longest road tunnels and a key link between Oslo and Bergen.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf | road tunnel ⓘ |
| carries |
Danish motorway network
ⓘ
European route E45 NERFINISHED ⓘ motorway traffic ⓘ |
| connects |
Aalborg
NERFINISHED
ⓘ
Nørresundby NERFINISHED ⓘ |
| constructionStartDate | 1965 ⓘ |
| country | Denmark ⓘ |
| crosses | Limfjord NERFINISHED ⓘ |
| hasEmergencyExits | yes ⓘ |
| hasLaneConfiguration | 2 lanes per tube ⓘ |
| hasLighting | yes ⓘ |
| hasMaterial | concrete ⓘ |
| hasMaximumSpeedLimit | 90 km/h ⓘ |
| hasStructureType | immersed tube tunnel ⓘ |
| hasToll | no ⓘ |
| hasVentilationSystem | yes ⓘ |
| isKeyLinkIn | north–south road traffic in Jutland ⓘ |
| isLocatedNorthOf | Aalborg city centre NERFINISHED ⓘ |
| isLocatedSouthOf | Nørresundby centre NERFINISHED ⓘ |
| isMajorCrossingOf | Limfjord NERFINISHED ⓘ |
| isOn | Jutland peninsula NERFINISHED ⓘ |
| length | 582 m ⓘ |
| locatedIn |
Aalborg Municipality
NERFINISHED
ⓘ
North Jutland NERFINISHED ⓘ |
| locatedNear | Aalborg city centre NERFINISHED ⓘ |
| locatedUnder | Limfjord seabed ⓘ |
| numberOfLanes | 4 ⓘ |
| numberOfTubes | 2 ⓘ |
| openingDate | 1969-05-06 ⓘ |
| operator | Danish Road Directorate NERFINISHED ⓘ |
| owner | Danish Road Directorate NERFINISHED ⓘ |
| partOf | European route E45 NERFINISHED ⓘ |
| replaced | ferry connection across Limfjord at Aalborg ⓘ |
| serves |
Aalborg urban area
NERFINISHED
ⓘ
North Jutland Region NERFINISHED ⓘ |
| trafficDirection | bidirectional ⓘ |
| yearOfCompletion | 1969 ⓘ |
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: Limfjord Tunnel Description of subject: The Limfjord Tunnel is an underwater road tunnel in northern Denmark that carries motorway traffic beneath the Limfjord, connecting the city of Aalborg with Nørresundby.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.