Great Britain A and B road numbering scheme
E352098
The Great Britain A and B road numbering scheme is the system used in Great Britain to classify and assign numbers to major (A) and minor (B) roads based on their importance and geographic zones.
All labels observed (4)
How this entity was disambiguated
This entity first appeared as the object of triple T3353410 — 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: Great Britain A and B road numbering scheme Context triple: [A59 road, hasRouteNumberingSystem, Great Britain A and B road numbering scheme]
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A.
Great Britain A roads
Great Britain A roads are a network of major non-motorway routes that form key primary and secondary roads connecting towns and cities across Great Britain.
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B.
Great Britain B roads
Great Britain B roads are secondary public roads that complement the primary A road network by connecting smaller towns, villages, and local destinations.
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C.
United Kingdom road network
The United Kingdom road network is the nationwide system of motorways and roads that connects cities, towns, and regions across England, Scotland, Wales, and Northern Ireland.
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D.
Scottish trunk road network
The Scottish trunk road network is the system of major strategic roads in Scotland that connects key cities, ports, and regions and is managed at the national level.
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E.
A-roads
A-roads are major public roads in the United Kingdom that form key regional and interurban routes, sitting below motorways in the road hierarchy.
- 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: Great Britain A and B road numbering scheme Target entity description: The Great Britain A and B road numbering scheme is the system used in Great Britain to classify and assign numbers to major (A) and minor (B) roads based on their importance and geographic zones.
-
A.
Great Britain A roads
Great Britain A roads are a network of major non-motorway routes that form key primary and secondary roads connecting towns and cities across Great Britain.
-
B.
Great Britain B roads
Great Britain B roads are secondary public roads that complement the primary A road network by connecting smaller towns, villages, and local destinations.
-
C.
United Kingdom road network
The United Kingdom road network is the nationwide system of motorways and roads that connects cities, towns, and regions across England, Scotland, Wales, and Northern Ireland.
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D.
Scottish trunk road network
The Scottish trunk road network is the system of major strategic roads in Scotland that connects key cities, ports, and regions and is managed at the national level.
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E.
A-roads
A-roads are major public roads in the United Kingdom that form key regional and interurban routes, sitting below motorways in the road hierarchy.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
road numbering system
ⓘ
transport infrastructure classification scheme ⓘ |
| appliesTo | Great Britain ⓘ |
| basedOn |
geographic zones
ⓘ
road importance ⓘ |
| classifies |
A-roads
ⓘ
surface form:
A roads
B roads ⓘ |
| country | United Kingdom ⓘ |
| defines | road number zones ⓘ |
| definesNumberFormat |
one-digit A roads for major radials
ⓘ
three- and four-digit B roads for minor routes ⓘ two- and three-digit A roads for other primary routes ⓘ |
| distinguishesBy | letter prefix ⓘ |
| excludes | Northern Ireland ⓘ |
| governingBody |
Department for Transport
ⓘ
Ministry of Transport (historical) ⓘ |
| hasZone |
1-zone
ⓘ
2-zone ⓘ 3-zone ⓘ 4-zone ⓘ 5-zone ⓘ 6-zone ⓘ 7-zone ⓘ 8-zone ⓘ 9-zone ⓘ |
| influencedBy | London-centric radial layout ⓘ |
| introduced | 1920s ⓘ |
| primaryClass | A road ⓘ |
| purpose |
to aid navigation and mapping
ⓘ
to provide a systematic numbering of major roads ⓘ |
| relatedTo | Great Britain motorway numbering scheme ⓘ |
| secondaryClass | B road ⓘ |
| usedBy |
Ordnance Survey
ⓘ
surface form:
Ordnance Survey maps
road atlases in Great Britain ⓘ |
| usedIn |
England
ⓘ
Scotland ⓘ Wales ⓘ |
| usesPrefix |
A
ⓘ
B ⓘ |
| zoneBoundaryRoad |
A1
ⓘ
A2 ⓘ A3 ⓘ A4 ⓘ A5 ⓘ A6 ⓘ A7 ⓘ A8 ⓘ A9 ⓘ |
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: Great Britain A and B road numbering scheme Description of subject: The Great Britain A and B road numbering scheme is the system used in Great Britain to classify and assign numbers to major (A) and minor (B) roads based on their importance and geographic zones.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Great Britain A-road numbering scheme
this entity surface form:
Great Britain road numbering scheme
this entity surface form:
Great Britain A-road numbering scheme
this entity surface form:
A-class road numbering system in Great Britain