R143 subway cars
E99616
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| R143 subway cars canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T845383 — 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: R143 subway cars Context triple: [L train, rollingStock, R143 subway cars]
-
A.
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.
-
B.
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.
-
C.
R179 subway cars
The R179 subway cars are a modern class of stainless-steel New York City Subway rolling stock built by Bombardier for the B Division lines, featuring updated technology and improved passenger amenities.
-
D.
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.
-
E.
IRT A Division subway cars
IRT A Division subway cars are the narrower, smaller-profile New York City Subway vehicles designed to operate on the numbered lines of the system.
- 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: R143 subway cars Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
R179 subway cars
The R179 subway cars are a modern class of stainless-steel New York City Subway rolling stock built by Bombardier for the B Division lines, featuring updated technology and improved passenger amenities.
-
D.
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.
-
E.
IRT A Division subway cars
IRT A Division subway cars are the narrower, smaller-profile New York City Subway vehicles designed to operate on the numbered lines of the system.
- F. None of above. chosen
Statements (58)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway rolling stock
ⓘ
electric multiple unit ⓘ subway car class ⓘ |
| brakeSystem | regenerative braking ⓘ |
| brakeType | electro-pneumatic brakes ⓘ |
| builtAt |
Kawasaki Lincoln, Nebraska plant
ⓘ
Kawasaki Yonkers facility ⓘ |
| carbodyMaterial | stainless steel ⓘ |
| carHeight | 11 feet 10 inches ⓘ |
| carLength | 60 feet ⓘ |
| carWidth | 9 feet 4 inches ⓘ |
| constructionEnd | 2003 ⓘ |
| constructionStart | 1999 ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| couplingType | Westinghouse H2C ⓘ |
| designedFor |
CBTC operation on Canarsie Line
ⓘ
heavy ridership on L line ⓘ |
| division |
BMT/IND division
ⓘ
linked to:
BMT Division
|
| doorConfiguration | 4 pairs per side ⓘ |
| doorsPerCar | 8 side doors ⓘ |
| doorType | plug-type side doors ⓘ |
| enteredService |
2002
ⓘ
February 2002 ⓘ |
| family | New Technology Train ⓘ |
| fleetNumbers | 8101–8312 ⓘ |
| gauge | 1,435 mm standard gauge ⓘ |
| introducedFeature |
automated announcements
ⓘ
electronic destination signage ⓘ full-width cab on end cars ⓘ interior LED displays ⓘ onboard diagnostics system ⓘ |
| manufacturer | Kawasaki Heavy Industries ⓘ |
| notable | first full-production New Technology Train for B Division ⓘ |
| numberBuilt | 212 ⓘ |
| operator |
Metropolitan Transportation Authority
ⓘ
New York City Transit Authority ⓘ |
| owner |
City of New York
ⓘ
linked to:
New York City
|
| powerCollectionMethod | third rail ⓘ |
| precededBy | R42 subway cars ⓘ |
| primaryDepot | East New York Yard ⓘ |
| safetySystem |
automatic train supervision compatible
ⓘ
communications-based train control compatible ⓘ |
| serviceType | B Division ⓘ |
| succeededBy |
R160 subway cars
ⓘ
R179 subway cars ⓘ |
| technologyGeneration |
NTT
ⓘ
linked to:
NTT DoCoMo
|
| thirdRailVoltage | 600 V DC ⓘ |
| tractionSystem |
AC propulsion
ⓘ
insulated gate bipolar transistor inverter ⓘ |
| trainsetFormation |
4-car unit
ⓘ
8-car train ⓘ |
| usedOnLine |
BMT Canarsie Line
ⓘ
BMT Jamaica Line ⓘ BMT Myrtle Avenue Line ⓘ |
| usedOnService |
J train
ⓘ
L train ⓘ M train ⓘ Z train ⓘ |
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: R143 subway cars Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.