Dartford Crossing
E105227
The Dartford Crossing is a major road crossing of the River Thames in southeast England, consisting of tunnels and a cable-stayed bridge that carry heavy traffic between Kent and Essex.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Dartford Crossing canonical | 18 |
| Dartford Crossing over the River Thames | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T592824 — 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: Dartford Crossing Context triple: [M25 motorway, tollSectionAt, Dartford Crossing]
-
A.
Chelsea Bridge
Chelsea Bridge was a historic roadway bridge in Massachusetts that once carried traffic across the Mystic River between Chelsea and Charlestown before being superseded by the Tobin Bridge.
-
B.
Hammersmith Bridge
Hammersmith Bridge is a historic 19th-century suspension bridge in west London that carries traffic across the River Thames between Hammersmith and Barnes.
-
C.
Blackfriars Bridge
Blackfriars Bridge is a road and foot traffic bridge over the River Thames in central London, linking the City of London with the South Bank.
-
D.
Leatherhead Bridge
Leatherhead Bridge is a historic road bridge spanning the River Mole in Leatherhead, Surrey, England.
-
E.
Runnymede Bridge
Runnymede Bridge is a road bridge over the River Thames in Surrey, England, carrying the M25 motorway near the historic meadow of Runnymede.
- 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: Dartford Crossing Target entity description: The Dartford Crossing is a major road crossing of the River Thames in southeast England, consisting of tunnels and a cable-stayed bridge that carry heavy traffic between Kent and Essex.
-
A.
Chelsea Bridge
Chelsea Bridge was a historic roadway bridge in Massachusetts that once carried traffic across the Mystic River between Chelsea and Charlestown before being superseded by the Tobin Bridge.
-
B.
Hammersmith Bridge
Hammersmith Bridge is a historic 19th-century suspension bridge in west London that carries traffic across the River Thames between Hammersmith and Barnes.
-
C.
Blackfriars Bridge
Blackfriars Bridge is a road and foot traffic bridge over the River Thames in central London, linking the City of London with the South Bank.
-
D.
Leatherhead Bridge
Leatherhead Bridge is a historic road bridge spanning the River Mole in Leatherhead, Surrey, England.
-
E.
Runnymede Bridge
Runnymede Bridge is a road bridge over the River Thames in Surrey, England, carrying the M25 motorway near the historic meadow of Runnymede.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
cable-stayed bridge
ⓘ
river crossing ⓘ road crossing ⓘ road tunnel ⓘ transport infrastructure ⓘ |
| approachRoad |
A13 road
ⓘ
A2 road ⓘ M25 motorway ⓘ |
| bridgeType | cable-stayed bridge ⓘ |
| carries | motorway traffic ⓘ |
| connects |
Essex
ⓘ
Kent ⓘ |
| country | United Kingdom ⓘ |
| crosses |
Thames
ⓘ
surface form:
River Thames
|
| directionOfBridgeTraffic | northbound ⓘ |
| directionOfTunnelTraffic | southbound ⓘ |
| function | Thames crossing for M25 orbital route ⓘ |
| hasLanes | multiple traffic lanes ⓘ |
| hasPart |
Dartford Tunnel
ⓘ
Queen Elizabeth II Bridge ⓘ |
| locatedIn | southeast England ⓘ |
| locatedNear |
Dartford
ⓘ
Thurrock ⓘ |
| maintainedBy | National Highways ⓘ |
| namedAfter | Queen Elizabeth II Bridge ⓘ |
| notableFor |
heavy congestion
ⓘ
strategic importance to London orbital traffic ⓘ |
| opened |
1963
ⓘ
1963 ⓘ 1991 ⓘ |
| partOf |
Dartford Crossing
self-linksurface differs
ⓘ
Dartford Crossing self-linksurface differs ⓘ M25 motorway ⓘ |
| previousMaintainer |
National Highways
ⓘ
surface form:
Highways Agency
|
| region | England ⓘ |
| restriction |
cyclists prohibited
ⓘ
hazardous loads controls ⓘ pedestrians prohibited ⓘ |
| roadNumber | A282 ⓘ |
| safetyFeature |
height restrictions
ⓘ
speed cameras ⓘ |
| tollCollectionMethod |
automatic number plate recognition
ⓘ
cashless ⓘ |
| tollStatus | tolled ⓘ |
| tollSystem | Dart Charge ⓘ |
| trafficRole |
major commuter route
ⓘ
major freight route ⓘ |
| tunnelType | road tunnel ⓘ |
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: Dartford Crossing Description of subject: The Dartford Crossing is a major road crossing of the River Thames in southeast England, consisting of tunnels and a cable-stayed bridge that carry heavy traffic between Kent and Essex.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Dartford Crossing over the River Thames
subject surface form:
Queen Elizabeth II Bridge
subject surface form:
Dartford Tunnel
subject surface form:
Woolwich Ferry