M621 motorway
E277633
The M621 motorway is a short urban motorway in West Yorkshire, England, that links the M62 and M1 motorways and provides rapid access into and around the city of Leeds.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M621 motorway canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T1059385 — 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: M621 motorway Context triple: [West Yorkshire, hasMotorway, M621 motorway]
-
A.
M62 motorway
The M62 motorway is a major trans-Pennine route in northern England, linking cities such as Liverpool, Manchester, Leeds, and Hull.
-
B.
M66 motorway
The M66 motorway is a key road in Greater Manchester, England, linking the M60 orbital motorway near Manchester to the A56 and routes toward Bury and the north.
-
C.
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.
-
D.
M61 motorway
The M61 motorway is a major road in North West England linking Manchester to Preston and providing a key route between Greater Manchester and Lancashire.
-
E.
M42 motorway
The M42 motorway is a major orbital route in the West Midlands of England that helps divert traffic around Birmingham and connects several key motorways, including the M5, M6, and M40.
- 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: M621 motorway Target entity description: The M621 motorway is a short urban motorway in West Yorkshire, England, that links the M62 and M1 motorways and provides rapid access into and around the city of Leeds.
-
A.
M62 motorway
The M62 motorway is a major trans-Pennine route in northern England, linking cities such as Liverpool, Manchester, Leeds, and Hull.
-
B.
M66 motorway
The M66 motorway is a key road in Greater Manchester, England, linking the M60 orbital motorway near Manchester to the A56 and routes toward Bury and the north.
-
C.
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.
-
D.
M61 motorway
The M61 motorway is a major road in North West England linking Manchester to Preston and providing a key route between Greater Manchester and Lancashire.
-
E.
M42 motorway
The M42 motorway is a major orbital route in the West Midlands of England that helps divert traffic around Birmingham and connects several key motorways, including the M5, M6, and M40.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
motorway
ⓘ
road in England ⓘ |
| connectsTo |
M1 motorway
ⓘ
M62 motorway ⓘ |
| country | United Kingdom ⓘ |
| function |
distributor road for Leeds
ⓘ
link between M62 and M1 ⓘ |
| hasCarriageways | 2 ⓘ |
| hasDirection | west–east ⓘ |
| hasJunctionWith |
M1 motorway
ⓘ
M62 motorway ⓘ |
| hasLaneConfiguration | multiple lanes each direction ⓘ |
| hasRouteNumber | 621 ⓘ |
| hasSpeedLimit | 70 mph (national motorway speed limit) ⓘ |
| isTollRoad | false ⓘ |
| isUrban | true ⓘ |
| locatedIn |
England
ⓘ
West Yorkshire ⓘ |
| maintainedBy | National Highways ⓘ |
| partOfNetwork |
British motorway network
ⓘ
linked to:
United Kingdom road network
|
| passesThrough | Leeds ⓘ |
| providesAccessTo |
Leeds city centre
ⓘ
linked to:
Leeds city centre retail area
|
| region | Yorkshire and the Humber ⓘ |
| roadNumber | M621 ⓘ |
| roadStandard | dual carriageway ⓘ |
| roadType | motorway ⓘ |
| servesCity | Leeds ⓘ |
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: M621 motorway Description of subject: The M621 motorway is a short urban motorway in West Yorkshire, England, that links the M62 and M1 motorways and provides rapid access into and around the city of Leeds.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.