New York City Subway tracks (upper level, formerly)
E487308
The New York City Subway tracks on the former upper level of the Ed Koch Queensboro Bridge were part of an elevated rail alignment that once carried subway trains between Manhattan and Queens before being removed or repurposed.
All labels observed (1)
| Label | Occurrences |
|---|---|
| New York City Subway tracks (upper level, formerly) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5006298 — 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 York City Subway tracks (upper level, formerly) Context triple: [Ed Koch Queensboro Bridge, carries, New York City Subway tracks (upper level, formerly)]
-
A.
Manhattan Railway elevated lines
The Manhattan Railway elevated lines were a network of elevated rapid transit railways in Manhattan that formed a key part of New York City's early mass transit system before the expansion of the subway.
-
B.
Metropolitan Transportation Authority rail yard
The Metropolitan Transportation Authority rail yard is a major train storage and maintenance facility on Manhattan’s West Side that historically served as a key operations hub for New York City’s commuter rail system.
-
C.
New York City Subway at Grand Army Plaza (IRT Eastern Parkway Line)
The New York City Subway at Grand Army Plaza on the IRT Eastern Parkway Line is an underground station in Brooklyn that serves the 2 and 3 trains near Prospect Park and the Brooklyn Public Library’s Central Library.
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D.
Bronx elevated lines
The Bronx elevated lines were early New York City rapid transit routes consisting of elevated railway tracks extending service from Manhattan into the Bronx.
-
E.
Brooklyn IRT lines
The Brooklyn IRT lines are a group of New York City Subway routes in Brooklyn that were originally built and operated by the Interborough Rapid Transit Company as part of its early rapid transit network.
- 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 York City Subway tracks (upper level, formerly) Target entity description: The New York City Subway tracks on the former upper level of the Ed Koch Queensboro Bridge were part of an elevated rail alignment that once carried subway trains between Manhattan and Queens before being removed or repurposed.
-
A.
Manhattan Railway elevated lines
The Manhattan Railway elevated lines were a network of elevated rapid transit railways in Manhattan that formed a key part of New York City's early mass transit system before the expansion of the subway.
-
B.
Metropolitan Transportation Authority rail yard
The Metropolitan Transportation Authority rail yard is a major train storage and maintenance facility on Manhattan’s West Side that historically served as a key operations hub for New York City’s commuter rail system.
-
C.
New York City Subway at Grand Army Plaza (IRT Eastern Parkway Line)
The New York City Subway at Grand Army Plaza on the IRT Eastern Parkway Line is an underground station in Brooklyn that serves the 2 and 3 trains near Prospect Park and the Brooklyn Public Library’s Central Library.
-
D.
Bronx elevated lines
The Bronx elevated lines were early New York City rapid transit routes consisting of elevated railway tracks extending service from Manhattan into the Bronx.
-
E.
Brooklyn IRT lines
The Brooklyn IRT lines are a group of New York City Subway routes in Brooklyn that were originally built and operated by the Interborough Rapid Transit Company as part of its early rapid transit network.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
former New York City Subway right-of-way
ⓘ
former rapid transit infrastructure ⓘ |
| alsoKnownAs | Queensboro Bridge upper level subway tracks ⓘ |
| associatedWith | East River crossings of the New York City Subway NERFINISHED ⓘ |
| bridgeServed | Queensboro Bridge NERFINISHED ⓘ |
| carried | subway trains ⓘ |
| carriedOver | Queensboro Bridge upper deck NERFINISHED ⓘ |
| connects |
Manhattan
NERFINISHED
ⓘ
Queens NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | East River NERFINISHED ⓘ |
| currentUse | no longer used for subway service ⓘ |
| designedFor | electric multiple-unit trains ⓘ |
| function | interborough rail connection ⓘ |
| infrastructureLevel | upper level of bridge ⓘ |
| locatedIn | Queensboro Bridge upper level ⓘ |
| locatedInBorough |
Manhattan
NERFINISHED
ⓘ
Queens NERFINISHED ⓘ |
| locatedInCity | New York City NERFINISHED ⓘ |
| originalPurpose | to carry subway trains between Manhattan and Queens ⓘ |
| partOf | Ed Koch Queensboro Bridge NERFINISHED ⓘ |
| partOfNetwork | New York City Subway system NERFINISHED ⓘ |
| railAlignmentType | elevated ⓘ |
| region | New York State NERFINISHED ⓘ |
| status |
disused
ⓘ
removed ⓘ |
| transportMode | rail ⓘ |
| usedBy |
Interborough Rapid Transit Company
NERFINISHED
ⓘ
New York City Subway NERFINISHED ⓘ |
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 York City Subway tracks (upper level, formerly) Description of subject: The New York City Subway tracks on the former upper level of the Ed Koch Queensboro Bridge were part of an elevated rail alignment that once carried subway trains between Manhattan and Queens before being removed or repurposed.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.