Ryfylke Tunnel
E1019116
The Ryfylke Tunnel is a subsea road tunnel in southwestern Norway that ranks among the world’s longest and deepest undersea tunnels, connecting Stavanger with the Ryfylke region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ryfylke Tunnel canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13065608 — 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: Ryfylke Tunnel Context triple: [Ryfylke, hasTransportInfrastructure, Ryfylke Tunnel]
-
A.
Finnøy Tunnel
The Finnøy Tunnel is an undersea road tunnel in Norway that connects the island of Finnøy to the mainland road network.
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B.
Tromsøysund Tunnel
Tromsøysund Tunnel is an undersea road tunnel in northern Norway that connects the island city of Tromsø to the mainland.
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C.
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.
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D.
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.
-
E.
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.
- 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: Ryfylke Tunnel Target entity description: The Ryfylke Tunnel is a subsea road tunnel in southwestern Norway that ranks among the world’s longest and deepest undersea tunnels, connecting Stavanger with the Ryfylke region.
-
A.
Finnøy Tunnel
The Finnøy Tunnel is an undersea road tunnel in Norway that connects the island of Finnøy to the mainland road network.
-
B.
Tromsøysund Tunnel
Tromsøysund Tunnel is an undersea road tunnel in northern Norway that connects the island city of Tromsø to the mainland.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
road tunnel
ⓘ
subsea tunnel ⓘ undersea road tunnel ⓘ |
| connects |
Ryfylke region
NERFINISHED
ⓘ
Stavanger NERFINISHED ⓘ Strand municipality NERFINISHED ⓘ |
| constructionMethod | drill and blast ⓘ |
| constructionStart | 2012 ⓘ |
| country | Norway ⓘ |
| hasCategory |
Road tunnels in Rogaland
ⓘ
Subsea tunnels in Norway ⓘ |
| hasEmergencyExits | yes ⓘ |
| hasEmergencyLaybys | yes ⓘ |
| hasEndpoint |
Hundvåg
NERFINISHED
ⓘ
Solbakk NERFINISHED ⓘ |
| hasFireSafetySystem | yes ⓘ |
| hasLightingSystem | yes ⓘ |
| hasNumberOfLanesPerTube | 2 ⓘ |
| hasNumberOfTubes | 2 ⓘ |
| hasSpeedLimit | 80 km/h ⓘ |
| hasVentilationSystem | yes ⓘ |
| languageOfName | Norwegian ⓘ |
| length |
approximately 14.3 kilometres
ⓘ
approximately 8.9 miles ⓘ |
| locatedIn |
Rogaland county
NERFINISHED
ⓘ
southwestern Norway ⓘ |
| locatedNear | Stavanger city centre NERFINISHED ⓘ |
| locatedUnder |
Byfjord basin area
NERFINISHED
ⓘ
Horgefjord NERFINISHED ⓘ |
| maximumDepthBelowSeaLevel |
approximately 292 metres
ⓘ
approximately 958 feet ⓘ |
| NorwegianName | Ryfylketunnelen NERFINISHED ⓘ |
| opened | 2019 ⓘ |
| openingDate | 2019-12-30 ⓘ |
| operator | Statens vegvesen NERFINISHED ⓘ |
| owner | Norwegian Public Roads Administration NERFINISHED ⓘ |
| partOf |
European tunnel network
ⓘ
Norwegian National Road 13 NERFINISHED ⓘ Ryfast project NERFINISHED ⓘ |
| rankedAmong |
world’s deepest undersea road tunnels
ⓘ
world’s longest undersea road tunnels ⓘ |
| regionServed |
Ryfylke
NERFINISHED
ⓘ
Stavanger NERFINISHED ⓘ |
| roadNumber | Rv 13 ⓘ |
| tollStatus | toll road ⓘ |
| 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: Ryfylke Tunnel Description of subject: The Ryfylke Tunnel is a subsea road tunnel in southwestern Norway that ranks among the world’s longest and deepest undersea tunnels, connecting Stavanger with the Ryfylke region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.