British standard signalling
E942731
British standard signalling is a conventional railway signalling system used across the UK rail network to control train movements safely and efficiently.
All labels observed (2)
| Label | Occurrences |
|---|---|
| British standard colour light signalling | 1 |
| British standard signalling canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11717551 — 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: British standard signalling Context triple: [Glossop line, safetySystem, British standard signalling]
-
A.
British Railways Standardisation team
The British Railways Standardisation team was a post-war design group responsible for creating a unified range of standard steam locomotive classes for British Railways.
-
B.
British Rail
British Rail was the state-owned company that operated most of the railway services in Great Britain from the late 1940s until the privatization of the rail network in the 1990s.
-
C.
British Rail Rail Alphabet typeface programme
The British Rail Rail Alphabet typeface programme was a modernist signage and typography system that standardized the visual identity of British Rail across stations and materials in the mid-20th century.
-
D.
The Railway
The Railway is an 1873 oil painting by Édouard Manet depicting a woman and a young girl by a Paris train station, notable for its modern urban subject and unconventional composition.
-
E.
British Standards Institution
The British Standards Institution (BSI) is the United Kingdom’s national standards body, responsible for developing and publishing technical and management system standards used worldwide.
- 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: British standard signalling Target entity description: British standard signalling is a conventional railway signalling system used across the UK rail network to control train movements safely and efficiently.
-
A.
British Railways Standardisation team
The British Railways Standardisation team was a post-war design group responsible for creating a unified range of standard steam locomotive classes for British Railways.
-
B.
British Rail
British Rail was the state-owned company that operated most of the railway services in Great Britain from the late 1940s until the privatization of the rail network in the 1990s.
-
C.
British Rail Rail Alphabet typeface programme
The British Rail Rail Alphabet typeface programme was a modernist signage and typography system that standardized the visual identity of British Rail across stations and materials in the mid-20th century.
-
D.
The Railway
The Railway is an 1873 oil painting by Édouard Manet depicting a woman and a young girl by a Paris train station, notable for its modern urban subject and unconventional composition.
-
E.
British Standards Institution
The British Standards Institution (BSI) is the United Kingdom’s national standards body, responsible for developing and publishing technical and management system standards used worldwide.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
railway safety system
ⓘ
railway signalling system ⓘ |
| appliesTo | mainline railways in Great Britain ⓘ |
| basedOn | fixed block signalling principles ⓘ |
| coexistsWith | ETCS on parts of the UK network ⓘ |
| country | United Kingdom ⓘ |
| developedFrom |
British Rail signalling practice
ⓘ
pre‑grouping railway company signalling practices ⓘ |
| governedBy |
Network Rail signalling principles
ⓘ
Office of Rail and Road regulations ⓘ Railway Group Standards (UK) ⓘ
linked to:
Rail Safety and Standards Board
|
| hasComponent |
AWS
ⓘ
GSM-R cab secure radio ⓘ
linked to:
GSM-R
TPWS ⓘ colour light signals ⓘ distant signals ⓘ feather route indicators ⓘ ground position light signals ⓘ home signals ⓘ route indicators ⓘ semaphore signals ⓘ shunt signals ⓘ starter signals ⓘ theatre route indicators ⓘ |
| language | English ⓘ |
| maintainedBy | Network Rail ⓘ |
| purpose |
efficient control of train movements
ⓘ
safe control of train movements ⓘ |
| safetyPrinciple |
fail‑safe design
ⓘ
interlocking of points and signals ⓘ speed control through signal aspects ⓘ train detection before signal clearance ⓘ |
| supports |
bi‑directional working on some lines
ⓘ
four‑aspect signalling ⓘ multiple aspect signalling ⓘ permissive working in certain sidings ⓘ three‑aspect signalling ⓘ two‑aspect signalling ⓘ |
| typicalSignalColours |
green
ⓘ
red ⓘ yellow ⓘ |
| usedBy |
freight trains in Great Britain
ⓘ
passenger trains in Great Britain ⓘ |
| usedIn |
Great Britain rail network
ⓘ
linked to:
British railway network
|
| uses |
axle counters
ⓘ
block instruments ⓘ control centres ⓘ interlockings ⓘ lineside signals ⓘ route setting ⓘ signal boxes ⓘ track circuits ⓘ |
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: British standard signalling Description of subject: British standard signalling is a conventional railway signalling system used across the UK rail network to control train movements safely and efficiently.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
Brookwood railway station
→
usesRailwaySignallingSystem
→
British standard colour light signalling
ⓘ
linked to: British standard signalling