New South Wales railway signalling system
E341304
The New South Wales railway signalling system is the standardized network of signals, control equipment, and operating rules that governs the safe and efficient movement of trains across the New South Wales rail network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| New South Wales railway signalling system canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T3256683 — 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: New South Wales railway signalling system Context triple: [T2 Inner West & Leppington Line, safetySystem, New South Wales railway signalling system]
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A.
New South Wales rail network
The New South Wales rail network is an extensive system of passenger and freight railway lines that connects major cities, regional centres, and rural areas across the Australian state of New South Wales.
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B.
NSW Government Railways
NSW Government Railways was the former state-owned agency responsible for operating and managing New South Wales’ railway network in Australia.
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C.
Sydney–Melbourne rail corridor
The Sydney–Melbourne rail corridor is a major intercity railway route linking Australia’s two largest cities and serving as a key passenger and freight transport spine in southeastern Australia.
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D.
Eastern Goldfields Railway
The Eastern Goldfields Railway is a major rail line in Western Australia that connects the gold-mining city of Kalgoorlie with Perth and other parts of the state, supporting both passenger and freight transport.
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E.
Illawarra railway line
The Illawarra railway line is a major suburban and intercity rail corridor in New South Wales, Australia, running from Sydney through the Illawarra region along the South Coast.
- 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: New South Wales railway signalling system Target entity description: The New South Wales railway signalling system is the standardized network of signals, control equipment, and operating rules that governs the safe and efficient movement of trains across the New South Wales rail network.
-
A.
New South Wales rail network
The New South Wales rail network is an extensive system of passenger and freight railway lines that connects major cities, regional centres, and rural areas across the Australian state of New South Wales.
-
B.
NSW Government Railways
NSW Government Railways was the former state-owned agency responsible for operating and managing New South Wales’ railway network in Australia.
-
C.
Sydney–Melbourne rail corridor
The Sydney–Melbourne rail corridor is a major intercity railway route linking Australia’s two largest cities and serving as a key passenger and freight transport spine in southeastern Australia.
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D.
Eastern Goldfields Railway
The Eastern Goldfields Railway is a major rail line in Western Australia that connects the gold-mining city of Kalgoorlie with Perth and other parts of the state, supporting both passenger and freight transport.
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E.
Illawarra railway line
The Illawarra railway line is a major suburban and intercity rail corridor in New South Wales, Australia, running from Sydney through the Illawarra region along the South Coast.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
rail transport infrastructure component
ⓘ
railway signalling system ⓘ |
| appliesTo | New South Wales rail network ⓘ |
| component |
control equipment
ⓘ
operating rules ⓘ signals ⓘ |
| country | Australia ⓘ |
| currentlyUsesTechnology |
computer-based signalling control
ⓘ
solid state interlocking ⓘ |
| follows | Australian railway signalling principles ⓘ |
| governs | train movements in New South Wales ⓘ |
| hasFeature |
block sections
ⓘ
overlaps and safety margins ⓘ signal aspects and indications ⓘ train authority systems ⓘ |
| historicallyUsedTechnology |
mechanical interlocking
ⓘ
relay interlocking ⓘ |
| locatedIn | New South Wales ⓘ |
| operatedBy | signallers ⓘ |
| operatedFrom |
control centres
ⓘ
signal boxes ⓘ |
| purpose |
efficient movement of trains
ⓘ
safe movement of trains ⓘ |
| regulates |
route setting
ⓘ
train separation ⓘ train speeds ⓘ use of tracks and junctions ⓘ |
| safetyObjective |
prevention of collisions
ⓘ
prevention of derailments due to mis-set points ⓘ protection of track workers ⓘ |
| standardizedBy | state rail authorities of New South Wales ⓘ |
| usedBy |
freight trains in New South Wales
ⓘ
passenger trains in New South Wales ⓘ |
| usedOn |
electrified lines in New South Wales
ⓘ
non-electrified lines in New South Wales ⓘ |
| uses |
automatic signalling
ⓘ
axle counters ⓘ centralised traffic control ⓘ colour light signals ⓘ computer-based interlocking ⓘ interlockings ⓘ level crossing protection equipment ⓘ lineside signals ⓘ manual signalling procedures ⓘ mechanical semaphore signals ⓘ route indicators ⓘ semi-automatic signalling ⓘ signal control panels ⓘ track circuits ⓘ train detection systems ⓘ |
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: New South Wales railway signalling system Description of subject: The New South Wales railway signalling system is the standardized network of signals, control equipment, and operating rules that governs the safe and efficient movement of trains across the New South Wales rail network.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
T2 Inner West & Leppington Line (Sydney Trains)
Sydney to Blue Mountains Intercity Line
→
safetySystem
→
New South Wales railway signalling system
ⓘ