A465 road
E526531
The A465 road is a major trunk route in South Wales, UK, commonly known as the Heads of the Valleys Road, linking Neath to Abergavenny and serving as a key east–west corridor across the region.
All labels observed (3)
| Label | Occurrences |
|---|---|
| A465 road canonical | 11 |
| A465 Heads of the Valleys Road | 2 |
| A465 bridge (Heads of the Valleys Road) near Neath | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2046452 — 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: A465 road Context triple: [A470 road, hasJunctionWith, A465 road]
-
A.
A466 road
The A466 road is a scenic route in the United Kingdom that runs through the Wye Valley, connecting Monmouth with Chepstow and other nearby areas.
-
B.
A46 road
The A46 road is a major trunk route in England running from Bath in the southwest to Cleethorpes on the east coast, linking several key cities and intersecting with numerous primary roads.
-
C.
A406 road
The A406 road, commonly known as the North Circular, is a major ring road in north London that forms part of the city’s key orbital route around the capital.
-
D.
A47 road
The A47 road is a major east–west route in England that connects Birmingham to the east coast, including the town of Great Yarmouth.
-
E.
A45 road
The A45 road is a major trunk route in England that runs through the Midlands, linking Birmingham with Northampton and other key towns.
- 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: A465 road Target entity description: The A465 road is a major trunk route in South Wales, UK, commonly known as the Heads of the Valleys Road, linking Neath to Abergavenny and serving as a key east–west corridor across the region.
-
A.
A466 road
The A466 road is a scenic route in the United Kingdom that runs through the Wye Valley, connecting Monmouth with Chepstow and other nearby areas.
-
B.
A46 road
The A46 road is a major trunk route in England running from Bath in the southwest to Cleethorpes on the east coast, linking several key cities and intersecting with numerous primary roads.
-
C.
A406 road
The A406 road, commonly known as the North Circular, is a major ring road in north London that forms part of the city’s key orbital route around the capital.
-
D.
A47 road
The A47 road is a major east–west route in England that connects Birmingham to the east coast, including the town of Great Yarmouth.
-
E.
A45 road
The A45 road is a major trunk route in England that runs through the Midlands, linking Birmingham with Northampton and other key towns.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
primary route
ⓘ
road ⓘ |
| alsoKnownAs | Heads of the Valleys Road ⓘ |
| category |
Roads in Wales
ⓘ
Transport in Blaenau Gwent ⓘ Transport in Merthyr Tydfil County Borough ⓘ Transport in Monmouthshire ⓘ Transport in Neath Port Talbot ⓘ Trunk roads in Wales ⓘ |
| connects |
Abergavenny
ⓘ
Neath ⓘ |
| connectsTo |
A40 road
ⓘ
A4042 road ⓘ A470 road ⓘ M4 motorway ⓘ |
| country | United Kingdom ⓘ |
| direction | east–west ⓘ |
| function | key east–west corridor across South Wales ⓘ |
| geographicFeatureFollowed | Heads of the Valleys line of settlements ⓘ |
| hasJunctionWith |
A40 road near Abergavenny
ⓘ
A4109 road near Neath ⓘ A470 road at Abercynon area (via connecting routes) ⓘ A470 road at Merthyr Tydfil ⓘ |
| highwaySystem | Great Britain A roads ⓘ |
| importance | major strategic route in South Wales ⓘ |
| locatedIn |
South Wales
ⓘ
Wales ⓘ |
| maintainedBy | Welsh Government ⓘ |
| namedAfter | Heads of the Valleys region ⓘ |
| partOf | Heads of the Valleys corridor ⓘ |
| passesNear |
Abergavenny
ⓘ
Brynmawr ⓘ Ebbw Vale ⓘ Hirwaun ⓘ Merthyr Tydfil ⓘ |
| passesThrough |
Blaenau Gwent
ⓘ
Merthyr Tydfil County Borough ⓘ
linked to:
Merthyr Tydfil
Monmouthshire ⓘ Neath Port Talbot ⓘ Rhondda Cynon Taf (nearby/edge) ⓘ
linked to:
Rhondda Cynon Taf
|
| regionServed | South Wales Valleys ⓘ |
| roadNumber | A465 ⓘ |
| roadType | dual carriageway (in significant sections) ⓘ |
| role | bypass for several valley towns ⓘ |
| serves | South Wales Valleys communities ⓘ |
| terminusEast | Abergavenny ⓘ |
| terminusWest | Neath ⓘ |
| usedFor |
commuter traffic
ⓘ
long-distance travel across South Wales ⓘ regional freight 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: A465 road Description of subject: The A465 road is a major trunk route in South Wales, UK, commonly known as the Heads of the Valleys Road, linking Neath to Abergavenny and serving as a key east–west corridor across the region.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: A465 road
linked to: A465 road
subject linked to:
MERTHYR TYDFIL
subject linked to:
EBBW VALE
linked to: A465 road