R179 subway cars
E36751
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| R179 subway cars canonical | 4 |
| R179 subway car class | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T281007 — 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: R179 subway cars Context triple: [E (New York City Subway service), usesRollingStock, R179 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.
Mark VI monorail trains
Mark VI monorail trains are a fleet of streamlined, automated monorail vehicles introduced in the late 1980s that serve as the primary passenger trains for the Walt Disney World Resort’s elevated transit system.
-
C.
Superliner bi-level cars
Superliner bi-level cars are double-decker passenger railcars used by Amtrak on long-distance routes, designed to provide increased capacity and enhanced comfort for overnight and scenic train travel.
-
D.
MBTA Type 9 Light Rail Vehicle
The MBTA Type 9 Light Rail Vehicle is a modern, low-floor streetcar used on Boston’s Green Line that features improved accessibility, passenger comfort, and energy efficiency compared to earlier MBTA light rail fleets.
-
E.
MBTA Type 7 Light Rail Vehicle
The MBTA Type 7 Light Rail Vehicle is a high-floor, articulated streetcar used on Boston’s Green Line, known for its distinctive design and role as one of the system’s primary light rail fleets.
- 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: R179 subway cars Target entity description: 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.
-
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.
Mark VI monorail trains
Mark VI monorail trains are a fleet of streamlined, automated monorail vehicles introduced in the late 1980s that serve as the primary passenger trains for the Walt Disney World Resort’s elevated transit system.
-
C.
Superliner bi-level cars
Superliner bi-level cars are double-decker passenger railcars used by Amtrak on long-distance routes, designed to provide increased capacity and enhanced comfort for overnight and scenic train travel.
-
D.
MBTA Type 9 Light Rail Vehicle
The MBTA Type 9 Light Rail Vehicle is a modern, low-floor streetcar used on Boston’s Green Line that features improved accessibility, passenger comfort, and energy efficiency compared to earlier MBTA light rail fleets.
-
E.
MBTA Type 7 Light Rail Vehicle
The MBTA Type 7 Light Rail Vehicle is a high-floor, articulated streetcar used on Boston’s Green Line, known for its distinctive design and role as one of the system’s primary light rail fleets.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway rolling stock
ⓘ
electric multiple unit ⓘ stainless steel subway car ⓘ |
| bodyConstruction | welded stainless steel carbodies ⓘ |
| brakeType |
electro-pneumatic brakes
ⓘ
regenerative braking ⓘ |
| builder |
Alstom (formerly Bombardier Transportation)
ⓘ
surface form:
Bombardier Transportation
|
| carHeight | approximately 12 feet ⓘ |
| carLength | 60 feet ⓘ |
| carWidth | approximately 9.8 feet ⓘ |
| collectionMethod | contact shoe ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| coupling |
H-type or compatible couplers between sets
ⓘ
semi-permanent couplers within sets ⓘ |
| designedFor |
B Division clearances
ⓘ
high passenger capacity ⓘ |
| division | B Division ⓘ |
| doorConfiguration | 4 pairs of side doors per car ⓘ |
| doorType | sliding pocket doors ⓘ |
| enteredService | 2010s ⓘ |
| family |
New Technology Train standards
ⓘ
surface form:
New Technology Train
|
| features |
automated announcements
ⓘ
digital information displays ⓘ electronic destination signs ⓘ emergency intercoms ⓘ interior LED lighting ⓘ modern HVAC systems ⓘ onboard CCTV cameras ⓘ updated passenger amenities ⓘ wheelchair spaces ⓘ |
| gauge | standard gauge ⓘ |
| manufacturer |
Alstom (formerly Bombardier Transportation)
ⓘ
surface form:
Bombardier Transportation
|
| material | stainless steel ⓘ |
| operator | New York City Transit Authority ⓘ |
| powerSupply | 600 V DC third rail ⓘ |
| propulsion | AC traction motors ⓘ |
| safetyFeatures |
door obstacle detection
ⓘ
emergency brake handles ⓘ event recorders ⓘ |
| successorTo | older B Division car classes ⓘ |
| system | New York City Subway ⓘ |
| technology |
microprocessor-based control systems
ⓘ
modern propulsion control ⓘ |
| trackGauge | 4 ft 8.5 in ⓘ |
| usedIn | New York City ⓘ |
| usedOn |
BMT lines
ⓘ
IND lines ⓘ lettered services ⓘ |
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: R179 subway cars Description of subject: 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.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
E (New York City Subway service)
this entity surface form:
R179 subway car class