Telford Tunnel
E835643
Telford Tunnel is one of the two parallel canal tunnels at Harecastle on the Trent and Mersey Canal in Staffordshire, England, designed by engineer Thomas Telford to improve navigation capacity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Telford Tunnel canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9902189 — 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: Telford Tunnel Context triple: [Harecastle Tunnel, hasPart, Telford Tunnel]
-
A.
Mountfield Tunnel
Mountfield Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line through the countryside near the village of Mountfield.
-
B.
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.
-
C.
Blisworth Tunnel
Blisworth Tunnel is one of the longest navigable canal tunnels in Britain, carrying the Grand Union Canal beneath the Northamptonshire countryside.
-
D.
Caldecott Tunnel
The Caldecott Tunnel is a major highway tunnel in the San Francisco Bay Area that carries traffic through the Berkeley Hills between Oakland and Contra Costa County.
-
E.
Malpas Tunnel
Malpas Tunnel is a historic canal tunnel in southern France, notable as one of the first navigable tunnels built for the Canal du Midi in the 17th century.
- 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: Telford Tunnel Target entity description: Telford Tunnel is one of the two parallel canal tunnels at Harecastle on the Trent and Mersey Canal in Staffordshire, England, designed by engineer Thomas Telford to improve navigation capacity.
-
A.
Mountfield Tunnel
Mountfield Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line through the countryside near the village of Mountfield.
-
B.
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.
-
C.
Blisworth Tunnel
Blisworth Tunnel is one of the longest navigable canal tunnels in Britain, carrying the Grand Union Canal beneath the Northamptonshire countryside.
-
D.
Caldecott Tunnel
The Caldecott Tunnel is a major highway tunnel in the San Francisco Bay Area that carries traffic through the Berkeley Hills between Oakland and Contra Costa County.
-
E.
Malpas Tunnel
Malpas Tunnel is a historic canal tunnel in southern France, notable as one of the first navigable tunnels built for the Canal du Midi in the 17th century.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
canal tunnel
ⓘ
transport infrastructure ⓘ |
| architect | Thomas Telford NERFINISHED ⓘ |
| comparedTo | Brindley Tunnel (older, less efficient) NERFINISHED ⓘ |
| connects | Kidsgrove area of Staffordshire NERFINISHED ⓘ |
| constructionMaterial |
brick
ⓘ
stone ⓘ |
| country | United Kingdom ⓘ |
| designer | Thomas Telford NERFINISHED ⓘ |
| engineer | Thomas Telford NERFINISHED ⓘ |
| hasAlternativeName | Harecastle New Tunnel NERFINISHED ⓘ |
| hasDirection | north–south alignment (approximate) ⓘ |
| hasEngineeringSignificance | example of Thomas Telford’s canal improvements ⓘ |
| hasFeature |
narrow single-bore design
ⓘ
towpath removed (boat legging or mechanical haulage) ⓘ ventilation shafts ⓘ |
| hasFunction | navigation tunnel for boats ⓘ |
| hasLighting | artificial lighting for navigation ⓘ |
| hasNavigationRestriction |
controlled passage for boats
ⓘ
limited headroom ⓘ |
| hasStatus | navigable canal tunnel ⓘ |
| heritageStatus | part of historic British canal network ⓘ |
| isOnRoute | Trent and Mersey Canal main line NERFINISHED ⓘ |
| isPartOf | Harecastle tunnel complex NERFINISHED ⓘ |
| locatedIn |
England
ⓘ
Harecastle NERFINISHED ⓘ Staffordshire ⓘ |
| locatedNear |
Kidsgrove
NERFINISHED
ⓘ
Stoke-on-Trent NERFINISHED ⓘ |
| locatedOnWaterway | Trent and Mersey Canal NERFINISHED ⓘ |
| maintainedBy | Canal & River Trust NERFINISHED ⓘ |
| namedAfter | Thomas Telford NERFINISHED ⓘ |
| openingDate | 19th century ⓘ |
| owner | Canal & River Trust NERFINISHED ⓘ |
| parallelTo | Brindley Tunnel NERFINISHED ⓘ |
| partOf |
British inland waterways network
NERFINISHED
ⓘ
Harecastle Tunnels NERFINISHED ⓘ Trent and Mersey Canal infrastructure NERFINISHED ⓘ |
| purpose |
improve navigation capacity
ⓘ
increase canal traffic throughput ⓘ |
| region | West Midlands (England) NERFINISHED ⓘ |
| replacedFunctionOf | Brindley Tunnel capacity ⓘ |
| safetyMeasure | controlled entry system ⓘ |
| transportMode | waterborne traffic ⓘ |
| usedFor | inland water transport ⓘ |
| waterwaySystem | English canal system ⓘ |
| waterwayType | canal ⓘ |
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: Telford Tunnel Description of subject: Telford Tunnel is one of the two parallel canal tunnels at Harecastle on the Trent and Mersey Canal in Staffordshire, England, designed by engineer Thomas Telford to improve navigation capacity.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.