Braunston Tunnel

E322568

canal tunnel transport infrastructure

Braunston Tunnel is a long 19th-century canal tunnel in Northamptonshire, England, forming a key part of the historic Grand Union Canal route.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (3)

Label	Occurrences
Braunston Tunnel canonical	4
Braunston Tunnel (Grand Union Canal)	1
Braunston Tunnel (nearby)	1

How this entity was disambiguated

This entity first appeared as the object of triple T3019267 — 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: Braunston Tunnel
Context triple: [Grand Union Canal, hasTunnel, Braunston 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. 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.
C. Foulridge Tunnel
Foulridge Tunnel is a historic canal tunnel in Lancashire, England, carrying the Leeds and Liverpool Canal beneath the village of Foulridge and surrounding hills.
D. 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.
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: Braunston Tunnel
Target entity description: Braunston Tunnel is a long 19th-century canal tunnel in Northamptonshire, England, forming a key part of the historic Grand Union Canal route.

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. 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.
C. Foulridge Tunnel
Foulridge Tunnel is a historic canal tunnel in Lancashire, England, carrying the Leeds and Liverpool Canal beneath the village of Foulridge and surrounding hills.
D. 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.
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 (48)

Predicate	Object
instanceOf	canal tunnel ⓘ transport infrastructure ⓘ
builtFor	narrowboats ⓘ
connectsTo	Braunston Junction ⓘ Norton Junction ⓘ
constructionEnd	1796 ⓘ
constructionMaterial	brick ⓘ lined with brick ⓘ
constructionStart	1793 ⓘ
country	United Kingdom ⓘ
designedFor	horse-drawn boats ⓘ
endPoint	Norton Junction side (east portal) ⓘ
formsPartOf	historic Grand Union Canal route between London and Birmingham ⓘ
hasFeature	no towpath ⓘ slight S-bend ⓘ two-way boat traffic ⓘ ventilation shafts ⓘ
hasHeritageValue	part of historic British canal network ⓘ
hasLighting	no fixed internal lighting ⓘ
hasMaximumAirDraft	suitable for narrowboats ⓘ
hasMaximumBeam	narrow canal standard ⓘ
hasNavigationAuthority	Canal & River Trust ⓘ
historicalPeriod	19th century ⓘ
isOnRoute	Grand Union Canal Leicester Line connection ⓘ
length	2042 yards ⓘ approximately 1867 metres ⓘ
locatedIn	England ⓘ Northamptonshire ⓘ United Kingdom ⓘ
locatedNear	A45 road (approximate vicinity) ⓘ M45 motorway (approximate vicinity) ⓘ
locatedOn	Oxford Canal main line (historic) ⓘ linked to: Oxford Canal
managedBy	Canal & River Trust ⓘ
near	Braunston ⓘ Daventry ⓘ
numberOfBoatsWidth	2 ⓘ
numberOfPortals	2 ⓘ
numberOfTowpaths	0 ⓘ
opened	1796 ⓘ
orientation	roughly east–west ⓘ
owner	Canal & River Trust ⓘ
partOf	Grand Union Canal ⓘ
requires	boat headlamps for navigation ⓘ
startPoint	Braunston Junction side (west portal) ⓘ
status	in use ⓘ
usedFor	inland waterway transport ⓘ leisure boating ⓘ
waterway	Grand Union Canal ⓘ

How these facts were elicited

Referenced by (6)

Full triples — surface form annotated when it differs from this entity's canonical label.

Grand Union Canal → hasTunnel → Braunston Tunnel ⓘ

Grand Union Canal at Braunston → hasFeature → Braunston Tunnel (nearby) ⓘ

linked to: Braunston Tunnel

Braunston → hasStructure → Braunston Tunnel ⓘ

Norton Junction side (east portal) → partOf → Braunston Tunnel ⓘ

Norton Junction side (east portal) → connectsTo → Braunston Tunnel ⓘ

Braunston Junction → near → Braunston Tunnel (Grand Union Canal) ⓘ