Wadhurst Tunnel
E575751
Wadhurst Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line beneath the countryside near the village of Wadhurst.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Wadhurst Tunnel canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6173314 — 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: Wadhurst Tunnel Context triple: [Tonbridge–Hastings railway, hasStructure, Wadhurst Tunnel]
-
A.
Reigate Tunnel
Reigate Tunnel is a historic road tunnel in Reigate, Surrey, notable as one of the earliest road tunnels in Britain and now a distinctive local landmark.
-
B.
Blisworth Tunnel
Blisworth Tunnel is one of the longest navigable canal tunnels in Britain, carrying the Grand Union Canal beneath the Northamptonshire countryside.
-
C.
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.
-
D.
Dartford Tunnel
The Dartford Tunnel is a major road tunnel under the River Thames in southeast England, forming part of a key river crossing on the London orbital route.
-
E.
Hindhead Tunnel
Hindhead Tunnel is a major road tunnel in Surrey, England, carrying the A3 beneath the Devil’s Punch Bowl to improve traffic flow and reduce environmental impact on the surrounding countryside.
- 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: Wadhurst Tunnel Target entity description: Wadhurst Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line beneath the countryside near the village of Wadhurst.
-
A.
Reigate Tunnel
Reigate Tunnel is a historic road tunnel in Reigate, Surrey, notable as one of the earliest road tunnels in Britain and now a distinctive local landmark.
-
B.
Blisworth Tunnel
Blisworth Tunnel is one of the longest navigable canal tunnels in Britain, carrying the Grand Union Canal beneath the Northamptonshire countryside.
-
C.
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.
-
D.
Dartford Tunnel
The Dartford Tunnel is a major road tunnel under the River Thames in southeast England, forming part of a key river crossing on the London orbital route.
-
E.
Hindhead Tunnel
Hindhead Tunnel is a major road tunnel in Surrey, England, carrying the A3 beneath the Devil’s Punch Bowl to improve traffic flow and reduce environmental impact on the surrounding countryside.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | railway tunnel ⓘ |
| carries | Tonbridge–Hastings line NERFINISHED ⓘ |
| connects | sections of the Tonbridge–Hastings line on either side of Wadhurst countryside ⓘ |
| country | England ⓘ |
| hasAccessRestriction | no public road access inside tunnel ⓘ |
| hasElectrification | 750 V DC third rail ⓘ |
| hasLineUsage | main line ⓘ |
| hasOwnerType | public infrastructure ⓘ |
| hasRailwaySystem | National Rail (Great Britain) NERFINISHED ⓘ |
| hasRegion | Wealden district NERFINISHED ⓘ |
| hasSafetySystem | modern signalling systems ⓘ |
| hasStructureType | bored tunnel ⓘ |
| locatedIn |
East Sussex
ⓘ
South East England ⓘ |
| locatedNear |
Wadhurst
NERFINISHED
ⓘ
Wealden countryside ⓘ |
| locatedOn | railway between Tonbridge and Hastings ⓘ |
| operator | Network Rail NERFINISHED ⓘ |
| ownedBy | Network Rail ⓘ |
| partOf | Tonbridge–Hastings line infrastructure NERFINISHED ⓘ |
| passesUnder | countryside near Wadhurst ⓘ |
| serves |
Hastings
NERFINISHED
ⓘ
Tonbridge NERFINISHED ⓘ Wadhurst railway station NERFINISHED ⓘ |
| status | in use ⓘ |
| trackGauge | standard gauge ⓘ |
| usedBy |
freight trains
ⓘ
passenger trains ⓘ |
| usedFor | rail transport ⓘ |
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: Wadhurst Tunnel Description of subject: Wadhurst Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line beneath the countryside near the village of Wadhurst.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.