Muskö Tunnel
E561236
Muskö Tunnel is a Swedish underwater road tunnel connecting the island of Muskö to the mainland, notable for serving the strategic Muskö naval base.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Muskö Tunnel canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6015955 — 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: Muskö Tunnel Context triple: [Muskö, hasStructure, Muskö Tunnel]
-
A.
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.
-
B.
Maastunnel
Maastunnel is a historic traffic tunnel in Rotterdam, the Netherlands, carrying road, bicycle, and pedestrian traffic beneath the Nieuwe Maas river.
-
C.
Tromsøysund Tunnel
Tromsøysund Tunnel is an undersea road tunnel in northern Norway that connects the island city of Tromsø to the mainland.
-
D.
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.
-
E.
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.
- 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: Muskö Tunnel Target entity description: Muskö Tunnel is a Swedish underwater road tunnel connecting the island of Muskö to the mainland, notable for serving the strategic Muskö naval base.
-
A.
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.
-
B.
Maastunnel
Maastunnel is a historic traffic tunnel in Rotterdam, the Netherlands, carrying road, bicycle, and pedestrian traffic beneath the Nieuwe Maas river.
-
C.
Tromsøysund Tunnel
Tromsøysund Tunnel is an undersea road tunnel in northern Norway that connects the island city of Tromsø to the mainland.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf | road tunnel ⓘ |
| builtBy | Swedish Navy NERFINISHED ⓘ |
| connects |
Muskö
NERFINISHED
ⓘ
Swedish mainland ⓘ |
| connectsUnder | Baltic Sea NERFINISHED ⓘ |
| constructionStartDate | 1950s ⓘ |
| country | Sweden ⓘ |
| designedFor | all-weather access ⓘ |
| hasAccessRestrictionHistory | previously restricted due to military secrecy ⓘ |
| hasCivilianUse | local traffic to Muskö ⓘ |
| hasEmergencyExits | yes ⓘ |
| hasEndpoint |
Muskö island
NERFINISHED
ⓘ
mainland near Ösmo ⓘ |
| hasMilitaryAssociation | Swedish Navy NERFINISHED ⓘ |
| hasSecurityRole | access to underground naval facilities ⓘ |
| hasStructure | single-tube tunnel ⓘ |
| hasTraffic | motor vehicles ⓘ |
| hasVentilationSystem | mechanical ventilation ⓘ |
| isPartOf | infrastructure of Muskö naval base ⓘ |
| length |
approximately 2.9 kilometres
ⓘ
approximately 2895 metres ⓘ |
| locatedIn |
Haninge Municipality
NERFINISHED
ⓘ
Stockholm County ⓘ |
| locatedInBodyOfWater | Baltic Sea NERFINISHED ⓘ |
| locatedNear | Stockholm archipelago NERFINISHED ⓘ |
| material | rock tunnel ⓘ |
| maximumDepthBelowSeaLevel | approximately 66 metres ⓘ |
| namedAfter | Muskö NERFINISHED ⓘ |
| notableFor |
being an early Swedish undersea road tunnel
ⓘ
serving strategic Muskö naval base ⓘ |
| numberOfLanes | 2 ⓘ |
| openingDate | 1964 ⓘ |
| operator | Swedish Transport Administration NERFINISHED ⓘ |
| owner | Swedish state NERFINISHED ⓘ |
| partOf | road connection to Muskö naval base ⓘ |
| region | eastern Sweden NERFINISHED ⓘ |
| roadType | public road ⓘ |
| serves | Muskö naval base NERFINISHED ⓘ |
| status | in use ⓘ |
| strategicImportance | high for Swedish Navy ⓘ |
| tunnelType | bored tunnel ⓘ |
| usedFor |
civilian road traffic
ⓘ
military access ⓘ |
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: Muskö Tunnel Description of subject: Muskö Tunnel is a Swedish underwater road tunnel connecting the island of Muskö to the mainland, notable for serving the strategic Muskö naval base.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.