Severomuysky Tunnel
E464817
The Severomuysky Tunnel is a major railway tunnel in eastern Siberia that enables the Baikal–Amur Mainline to pass through the challenging Severomuysky Range.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Severomuysky Tunnel canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4710063 — 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: Severomuysky Tunnel Context triple: [Baikal–Amur Mainline, notableStructure, Severomuysky Tunnel]
-
A.
Roki Tunnel
Roki Tunnel is a strategic road tunnel through the Caucasus Mountains that serves as a key transport link between Russia and the breakaway region of South Ossetia in Georgia.
-
B.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
-
C.
Eurasia Tunnel
The Eurasia Tunnel is an underwater road tunnel in Istanbul that connects the European and Asian sides of the city, easing transcontinental traffic beneath the Bosporus Strait.
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D.
Wawona Tunnel
Wawona Tunnel is a historic highway tunnel in Yosemite National Park that serves as the dramatic western gateway to the famous Tunnel View overlook of Yosemite Valley.
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E.
J. G. Strijdom Tunnel
The J. G. Strijdom Tunnel is a road tunnel in South Africa named after former Prime Minister J. G. Strijdom, serving both as transport infrastructure and a commemorative landmark.
- 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: Severomuysky Tunnel Target entity description: The Severomuysky Tunnel is a major railway tunnel in eastern Siberia that enables the Baikal–Amur Mainline to pass through the challenging Severomuysky Range.
-
A.
Roki Tunnel
Roki Tunnel is a strategic road tunnel through the Caucasus Mountains that serves as a key transport link between Russia and the breakaway region of South Ossetia in Georgia.
-
B.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
-
C.
Eurasia Tunnel
The Eurasia Tunnel is an underwater road tunnel in Istanbul that connects the European and Asian sides of the city, easing transcontinental traffic beneath the Bosporus Strait.
-
D.
Wawona Tunnel
Wawona Tunnel is a historic highway tunnel in Yosemite National Park that serves as the dramatic western gateway to the famous Tunnel View overlook of Yosemite Valley.
-
E.
J. G. Strijdom Tunnel
The J. G. Strijdom Tunnel is a road tunnel in South Africa named after former Prime Minister J. G. Strijdom, serving both as transport infrastructure and a commemorative landmark.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
railway tunnel
ⓘ
transport infrastructure ⓘ |
| belongsToRailNetwork | Russian railway network ⓘ |
| connects | western and eastern sections of the Baikal–Amur Mainline across the Severomuysky Range ⓘ |
| constructionDuration | about 26 years ⓘ |
| constructionMethod | drill-and-blast tunneling ⓘ |
| constructionStartDate | 1977 ⓘ |
| country | Russia ⓘ |
| designedFor | heavy freight trains ⓘ |
| electrification | yes ⓘ |
| gauge | 1,520 mm ⓘ |
| hasAlternativeName |
Severomuyskiy Tunnel
NERFINISHED
ⓘ
Severomuysky Railway Tunnel NERFINISHED ⓘ |
| hasNumberOfPortals | 2 ⓘ |
| hasServiceTunnel | yes ⓘ |
| hasSignalling | yes ⓘ |
| hasVentilationSystem | yes ⓘ |
| importanceToEconomy | supports transport of natural resources from Eastern Siberia and the Russian Far East ⓘ |
| languageOfOfficialName | Russian ⓘ |
| length | approximately 15.3 km ⓘ |
| locatedIn |
Buryatia
NERFINISHED
ⓘ
Eastern Siberia NERFINISHED ⓘ Severomuysky Range NERFINISHED ⓘ |
| locatedOnContinent | Asia ⓘ |
| maximumGradient | low gradient suitable for heavy trains ⓘ |
| notableFor |
being one of the longest railway tunnels in Russia
ⓘ
complex geological and engineering conditions during construction ⓘ |
| openingDate | 2003 ⓘ |
| operator | Russian Railways NERFINISHED ⓘ |
| owner | Russian Railways NERFINISHED ⓘ |
| partOf | Baikal–Amur Mainline NERFINISHED ⓘ |
| passesThrough | mountainous terrain of the Severomuysky Range ⓘ |
| purpose | to provide a direct rail route through the Severomuysky Range ⓘ |
| railwayLine | Baikal–Amur Mainline NERFINISHED ⓘ |
| regionServed | Siberia NERFINISHED ⓘ |
| replaced | Severomuysky railway bypass with steep gradients and switchbacks ⓘ |
| safetyFeatures |
emergency exits via service tunnel
ⓘ
ventilation and fire protection systems ⓘ |
| strategicImportance | improves capacity and reliability of the Baikal–Amur Mainline ⓘ |
| terrainType |
permafrost zone
ⓘ
seismically active region ⓘ |
| trackConfiguration | single-track ⓘ |
| usedFor |
freight traffic
ⓘ
passenger 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: Severomuysky Tunnel Description of subject: The Severomuysky Tunnel is a major railway tunnel in eastern Siberia that enables the Baikal–Amur Mainline to pass through the challenging Severomuysky Range.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.