Travelcard Zone 4
E310826
Travelcard Zone 4 is a London public transport fare zone covering suburban areas beyond the inner city, used to calculate ticket and Travelcard prices on services including the Underground.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Travelcard Zone 4 canonical | 9 |
| Travelcard zones | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2773538 — 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: Travelcard Zone 4 Context triple: [Metropolitan line, partOfFareZone, Travelcard Zone 4]
-
A.
Travelcard Zone 3
Travelcard Zone 3 is a ring of suburban areas in London used for calculating fares on public transport services such as the Underground, Overground, and buses.
-
B.
Travelcard Zone 5
Travelcard Zone 5 is an outer London public transport fare zone used to calculate ticket and Travelcard prices on services including the London Underground.
-
C.
Travelcard Zone 6
Travelcard Zone 6 is one of the outer fare zones in the London public transport system, covering suburban areas on the edge of Greater London.
-
D.
Travelcard Zone 2
Travelcard Zone 2 is a London public transport fare zone covering inner suburban areas just outside the city centre, used for pricing journeys on the Underground, Overground, and other services.
-
E.
Travelcard Zone 1
Travelcard Zone 1 is the central London fare zone covering the city’s core Underground and rail stations, including many major commercial, tourist, and transport hubs.
- 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: Travelcard Zone 4 Target entity description: Travelcard Zone 4 is a London public transport fare zone covering suburban areas beyond the inner city, used to calculate ticket and Travelcard prices on services including the Underground.
-
A.
Travelcard Zone 3
Travelcard Zone 3 is a ring of suburban areas in London used for calculating fares on public transport services such as the Underground, Overground, and buses.
-
B.
Travelcard Zone 5
Travelcard Zone 5 is an outer London public transport fare zone used to calculate ticket and Travelcard prices on services including the London Underground.
-
C.
Travelcard Zone 6
Travelcard Zone 6 is one of the outer fare zones in the London public transport system, covering suburban areas on the edge of Greater London.
-
D.
Travelcard Zone 2
Travelcard Zone 2 is a London public transport fare zone covering inner suburban areas just outside the city centre, used for pricing journeys on the Underground, Overground, and other services.
-
E.
Travelcard Zone 1
Travelcard Zone 1 is the central London fare zone covering the city’s core Underground and rail stations, including many major commercial, tourist, and transport hubs.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
London fare zone
ⓘ
public transport fare zone ⓘ |
| adjacentTo |
Travelcard Zone 3
ⓘ
Travelcard Zone 5 ⓘ |
| administeredBy | Transport for London ⓘ |
| appliesTo |
Docklands Light Railway
ⓘ
Elizabeth line ⓘ London Buses ⓘ
surface form:
London Buses (for Travelcard validity)
London Overground ⓘ London Underground ⓘ National Rail services in London ⓘ |
| cityServed |
London, England
ⓘ
surface form:
London
|
| country | United Kingdom ⓘ |
| coversAreaType | suburban areas ⓘ |
| fareStructureRole |
determines price bands for Travelcards
ⓘ
determines price bands for zonal tickets ⓘ |
| fareSystem |
Contactless payment card
ⓘ
Oyster card ⓘ Travelcard ⓘ |
| hasTransportMode |
bus (via Travelcard validity)
ⓘ
light rail ⓘ metro ⓘ suburban rail ⓘ |
| introducedBy | Greater London Council ⓘ |
| locatedIn | Greater London ⓘ |
| partOf | London fare zones ⓘ |
| positionRelativeTo | beyond inner London ⓘ |
| usedFor |
calculating Travelcard prices
ⓘ
calculating pay-as-you-go fares ⓘ calculating single ticket prices ⓘ |
| zoneNumber | 4 ⓘ |
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: Travelcard Zone 4 Description of subject: Travelcard Zone 4 is a London public transport fare zone covering suburban areas beyond the inner city, used to calculate ticket and Travelcard prices on services including the Underground.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Travelcard zones
subject surface form:
Victoria line