M20 motorway
E38516
The M20 motorway is a major road in South East England that connects London to the Channel Tunnel and the ports of Dover, serving as a key route for traffic to and from continental Europe.
All labels observed (3)
| Label | Occurrences |
|---|---|
| M20 motorway canonical | 11 |
| M20 motorway bridges | 1 |
| highway M20 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T290387 — 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: M20 motorway Context triple: [Kent, hasTransportLink, M20 motorway]
-
A.
M90 motorway
The M90 motorway is a major Scottish highway linking Edinburgh to Perth and serving as a key north–south route in eastern Scotland.
-
B.
M67 motorway
The M67 motorway is a short motorway in North West England that links the M60 near Manchester towards Hyde and is intended as the first section of a never-completed route to Sheffield.
-
C.
M56 motorway
The M56 motorway is a major road in North West England that connects Manchester to North Wales and serves as a key route to Manchester Airport.
-
D.
M8 motorway
The M8 motorway is a major Scottish highway linking the cities of Glasgow and Edinburgh and serving as a key east–west transport corridor across the Central Belt.
-
E.
M9 motorway
The M9 motorway is a major Scottish highway connecting Edinburgh to Stirling and the Highlands, serving as a key transport route through central Scotland.
- 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: M20 motorway Target entity description: The M20 motorway is a major road in South East England that connects London to the Channel Tunnel and the ports of Dover, serving as a key route for traffic to and from continental Europe.
-
A.
M90 motorway
The M90 motorway is a major Scottish highway linking Edinburgh to Perth and serving as a key north–south route in eastern Scotland.
-
B.
M67 motorway
The M67 motorway is a short motorway in North West England that links the M60 near Manchester towards Hyde and is intended as the first section of a never-completed route to Sheffield.
-
C.
M56 motorway
The M56 motorway is a major road in North West England that connects Manchester to North Wales and serves as a key route to Manchester Airport.
-
D.
M8 motorway
The M8 motorway is a major Scottish highway linking the cities of Glasgow and Edinburgh and serving as a key east–west transport corridor across the Central Belt.
-
E.
M9 motorway
The M9 motorway is a major Scottish highway connecting Edinburgh to Stirling and the Highlands, serving as a key transport route through central Scotland.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
motorway in the United Kingdom
ⓘ
road in England ⓘ |
| category |
Motorways in England
ⓘ
Transport in Kent ⓘ |
| connectsTo |
Channel Tunnel
ⓘ
London, England ⓘ
surface form:
London
M2 motorway via A249 and A229 ⓘ Port of Dover ⓘ |
| country | United Kingdom ⓘ |
| endPoint | Folkestone ⓘ |
| function |
access route to Port of Dover
ⓘ
connects London to Channel Tunnel ⓘ key freight route to continental Europe ⓘ |
| hasEmergencyTrafficManagement | Operation Brock ⓘ |
| hasJunctionWith |
A20 road
ⓘ
A21 road ⓘ A229 road ⓘ A249 road ⓘ M25 motorway ⓘ M26 motorway ⓘ |
| hasServiceArea |
Maidstone services
ⓘ
Stop 24 services ⓘ |
| hasSpeedLimit | 70 mph ⓘ |
| laneConfiguration |
mostly three lanes each direction between M25 and Maidstone
ⓘ
two lanes each direction on eastern sections ⓘ |
| locatedIn |
England
ⓘ
Kent ⓘ South East England ⓘ |
| maintainedBy | National Highways ⓘ |
| nearTo |
Channel Tunnel
ⓘ
surface form:
Channel Tunnel terminal at Cheriton
|
| openedInPart |
1970s
ⓘ
1980s ⓘ 1990s ⓘ |
| parallelTo | A20 road ⓘ |
| partOf |
E-road network
ⓘ
UK motorway network ⓘ |
| passesNear |
Ashford
ⓘ
surface form:
Ashford, Kent
Maidstone ⓘ Sevenoaks ⓘ Tonbridge ⓘ |
| regionServed |
Greater London
ⓘ
Kent ⓘ |
| replaced | sections of the A20 for long-distance traffic ⓘ |
| roadStandard | dual carriageway ⓘ |
| roadType | motorway ⓘ |
| routeNumber | M20 ⓘ |
| startPoint | Swanley ⓘ |
| usedFor |
international freight traffic
ⓘ
passenger car 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: M20 motorway Description of subject: The M20 motorway is a major road in South East England that connects London to the Channel Tunnel and the ports of Dover, serving as a key route for traffic to and from continental Europe.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
M20 motorway bridges
subject surface form:
Folkestone
this entity surface form:
highway M20