R142 subway car class
E712281
The R142 subway car class is a fleet of modern New York City Subway cars introduced in the late 1990s and early 2000s, featuring advanced technology, improved safety, and enhanced passenger comfort compared to older models.
All labels observed (2)
| Label | Occurrences |
|---|---|
| R142 subway car class canonical | 1 |
| R142A subway car class | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8142028 — 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: R142 subway car class Context triple: [New Technology Train standards, appliesTo, R142 subway car class]
-
A.
R143 subway cars
The R143 subway cars are a class of New York City Subway rolling stock built in the early 2000s, primarily used on the BMT Canarsie Line and known for introducing modern features like electronic signage and automated announcements.
-
B.
R211 subway cars
The R211 subway cars are a modern generation of New York City Subway rolling stock featuring updated technology, improved accessibility, and enhanced passenger amenities.
-
C.
R68 subway car
The R68 subway car is a stainless-steel New York City Subway rolling stock class built in the 1980s, primarily used on B Division lines such as the B train.
-
D.
R160 subway cars
The R160 subway cars are a class of modern New Technology Train rolling stock used on various New York City Subway lines, featuring electronic signage, automated announcements, and improved accessibility and reliability compared to older fleets.
-
E.
R46 subway cars
The R46 subway cars are a class of New York City Subway rolling stock built in the 1970s, known for their stainless-steel bodies and long service on various IND/BMT lines.
- 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: R142 subway car class Target entity description: The R142 subway car class is a fleet of modern New York City Subway cars introduced in the late 1990s and early 2000s, featuring advanced technology, improved safety, and enhanced passenger comfort compared to older models.
-
A.
R143 subway cars
The R143 subway cars are a class of New York City Subway rolling stock built in the early 2000s, primarily used on the BMT Canarsie Line and known for introducing modern features like electronic signage and automated announcements.
-
B.
R211 subway cars
The R211 subway cars are a modern generation of New York City Subway rolling stock featuring updated technology, improved accessibility, and enhanced passenger amenities.
-
C.
R68 subway car
The R68 subway car is a stainless-steel New York City Subway rolling stock class built in the 1980s, primarily used on B Division lines such as the B train.
-
D.
R160 subway cars
The R160 subway cars are a class of modern New Technology Train rolling stock used on various New York City Subway lines, featuring electronic signage, automated announcements, and improved accessibility and reliability compared to older fleets.
-
E.
R46 subway cars
The R46 subway cars are a class of New York City Subway rolling stock built in the 1970s, known for their stainless-steel bodies and long service on various IND/BMT lines.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway rolling stock
ⓘ
electric multiple unit ⓘ subway car class ⓘ |
| brakeSystem | electro-pneumatic brakes ⓘ |
| builtFor | Metropolitan Transportation Authority NERFINISHED ⓘ |
| carbodyMaterial | stainless steel ⓘ |
| carHeight | 11.89 feet ⓘ |
| carLength | 51.04 feet ⓘ |
| carWidth | 8.6 feet ⓘ |
| contractSigned | 1997 ⓘ |
| controlSystem | microprocessor-based train control ⓘ |
| countryOfOperation |
United States of America
ⓘ
surface form:
United States
|
| designedFor | A Division (numbered lines) ⓘ |
| designedToReplace |
R26 subway cars
NERFINISHED
ⓘ
R28 subway cars NERFINISHED ⓘ R29 subway cars NERFINISHED ⓘ R33 subway cars NERFINISHED ⓘ R36 subway cars NERFINISHED ⓘ |
| doorConfiguration | 3 sets of side doors per side per car ⓘ |
| enteredTesting | late 1990s ⓘ |
| family | New Technology Train NERFINISHED ⓘ |
| features |
advanced onboard diagnostics
ⓘ
air conditioning ⓘ automated announcements ⓘ electronic strip maps ⓘ enhanced passenger comfort ⓘ improved crashworthiness ⓘ interior LED or fluorescent lighting ⓘ wheelchair spaces ⓘ |
| formation |
4-car sets
ⓘ
5-car sets ⓘ |
| gauge | standard gauge ⓘ |
| introducedInService | 2000 ⓘ |
| manufacturer | Bombardier Transportation NERFINISHED ⓘ |
| operatedBy | New York City Transit Authority NERFINISHED ⓘ |
| operatedOn | New York City Subway IRT division NERFINISHED ⓘ |
| operatorCab | full-width cab at each end car ⓘ |
| operatorRegion | New York City NERFINISHED ⓘ |
| powerSupply | 600 V DC third rail ⓘ |
| propulsionType | AC traction motors ⓘ |
| relatedTo | R142A subway car class NERFINISHED ⓘ |
| replacedRollingStock | Redbird subway cars NERFINISHED ⓘ |
| safetyFeatures |
event recorders
ⓘ
improved emergency exits ⓘ |
| serviceType | passenger service ⓘ |
| technologyGeneration | first full-production New Technology Train for IRT division ⓘ |
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: R142 subway car class Description of subject: The R142 subway car class is a fleet of modern New York City Subway cars introduced in the late 1990s and early 2000s, featuring advanced technology, improved safety, and enhanced passenger comfort compared to older models.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
R142A subway car class