Kilsby Tunnel
E1009817
Kilsby Tunnel is a historic early-19th-century railway tunnel in Northamptonshire, England, renowned for its pioneering engineering on the London and Birmingham Railway.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kilsby Tunnel canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12882610 — 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: Kilsby Tunnel Context triple: [London and Birmingham Railway, notableStructure, Kilsby Tunnel]
-
A.
Blisworth Tunnel
Blisworth Tunnel is one of the longest navigable canal tunnels in Britain, carrying the Grand Union Canal beneath the Northamptonshire countryside.
-
B.
Blea Moor Tunnel
Blea Moor Tunnel is a major railway tunnel in North Yorkshire, England, carrying the Settle–Carlisle line beneath Blea Moor in the Yorkshire Dales.
-
C.
Harecastle Tunnel
Harecastle Tunnel is a historic and notoriously long canal tunnel in Staffordshire, England, known for its low, narrow passage and role in improving industrial-era transport on the Trent and Mersey Canal.
-
D.
Braunston Tunnel
Braunston Tunnel is a long 19th-century canal tunnel in Northamptonshire, England, forming a key part of the historic Grand Union Canal route.
-
E.
Cosgrove Tunnel
Cosgrove Tunnel is a major water-supply conduit in Massachusetts that carries drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
- 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: Kilsby Tunnel Target entity description: Kilsby Tunnel is a historic early-19th-century railway tunnel in Northamptonshire, England, renowned for its pioneering engineering on the London and Birmingham Railway.
-
A.
Blisworth Tunnel
Blisworth Tunnel is one of the longest navigable canal tunnels in Britain, carrying the Grand Union Canal beneath the Northamptonshire countryside.
-
B.
Blea Moor Tunnel
Blea Moor Tunnel is a major railway tunnel in North Yorkshire, England, carrying the Settle–Carlisle line beneath Blea Moor in the Yorkshire Dales.
-
C.
Harecastle Tunnel
Harecastle Tunnel is a historic and notoriously long canal tunnel in Staffordshire, England, known for its low, narrow passage and role in improving industrial-era transport on the Trent and Mersey Canal.
-
D.
Braunston Tunnel
Braunston Tunnel is a long 19th-century canal tunnel in Northamptonshire, England, forming a key part of the historic Grand Union Canal route.
-
E.
Cosgrove Tunnel
Cosgrove Tunnel is a major water-supply conduit in Massachusetts that carries drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
railway tunnel
ⓘ
transport infrastructure ⓘ |
| architect | Robert Stephenson ⓘ |
| builtFor |
London and Birmingham Railway Company
ⓘ
linked to:
London and Birmingham Railway
|
| category |
Buildings and structures in Northamptonshire
ⓘ
London and Birmingham Railway infrastructure ⓘ Railway tunnels in England ⓘ |
| chiefEngineer | Robert Stephenson ⓘ |
| connects | railway lines north and south of Kilsby ⓘ |
| constructionMaterial |
brick
ⓘ
masonry ⓘ |
| constructionMethod | brick-lined bore with ventilation shafts ⓘ |
| constructionStartDate | 1834 ⓘ |
| country | United Kingdom ⓘ |
| electrificationSystem | 25 kV AC overhead line ⓘ |
| electrified | yes ⓘ |
| era | early 19th century ⓘ |
| gauge | standard gauge ⓘ |
| hasHeritageStatus | Grade II listed structure ⓘ |
| hasStructureType | double-track tunnel ⓘ |
| hasVentilationShaft | two large brick-lined shafts ⓘ |
| heritageDesignation | Grade II listed ⓘ |
| heritageDesignationCountry | United Kingdom ⓘ |
| isPartOfRoute |
London–Birmingham railway corridor
ⓘ
linked to:
London–Birmingham transport corridor
|
| knownFor |
early railway engineering
ⓘ
large ventilation shafts ⓘ |
| length |
approximately 1.5 miles
ⓘ
approximately 2.2 kilometres ⓘ |
| locatedBetween |
Northampton
ⓘ
Rugby ⓘ |
| locatedIn |
East Midlands
ⓘ
England ⓘ Northamptonshire ⓘ West Northamptonshire ⓘ |
| locatedNear | Kilsby ⓘ |
| locatedOn |
London and Birmingham Railway
ⓘ
West Coast Main Line ⓘ |
| notableEvent | major construction difficulties due to water-bearing quicksand ⓘ |
| numberOfTracks | 2 ⓘ |
| openingDate | 1838 ⓘ |
| operator | Network Rail ⓘ |
| owner | Network Rail ⓘ |
| partOf |
London and Birmingham Railway
ⓘ
historic London to Birmingham main line ⓘ |
| status | in use ⓘ |
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: Kilsby Tunnel Description of subject: Kilsby Tunnel is a historic early-19th-century railway tunnel in Northamptonshire, England, renowned for its pioneering engineering on the London and Birmingham Railway.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.