14th Street Tunnel
E745505
The 14th Street Tunnel is a major New York City subway tunnel that carries the L train beneath the East River between Manhattan and Brooklyn.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 14th Street Tunnel canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8615692 — 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: 14th Street Tunnel Context triple: [L, riverCrossing, 14th Street Tunnel]
-
A.
63rd Street Tunnel
The 63rd Street Tunnel is a New York City subway tunnel under the East River that carries trains between Manhattan and Queens.
-
B.
Midtown Tunnel
The Midtown Tunnel is a vehicular tunnel in the Hampton Roads region that carries traffic beneath the Elizabeth River between Norfolk and Portsmouth, Virginia.
-
C.
53rd Street Tunnel
The 53rd Street Tunnel is a New York City Subway tunnel under the East River that carries IND Queens Boulevard Line trains between Manhattan and Queens.
-
D.
Park Avenue Tunnel
Park Avenue Tunnel is a historic vehicular and former rail tunnel in Manhattan that carries traffic beneath Park Avenue near Grand Central Terminal.
-
E.
East New York Tunnel
The East New York Tunnel is a railroad tunnel in Brooklyn, New York, that carries Long Island Rail Road trains beneath the East New York neighborhood.
- 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: 14th Street Tunnel Target entity description: The 14th Street Tunnel is a major New York City subway tunnel that carries the L train beneath the East River between Manhattan and Brooklyn.
-
A.
63rd Street Tunnel
The 63rd Street Tunnel is a New York City subway tunnel under the East River that carries trains between Manhattan and Queens.
-
B.
Midtown Tunnel
The Midtown Tunnel is a vehicular tunnel in the Hampton Roads region that carries traffic beneath the Elizabeth River between Norfolk and Portsmouth, Virginia.
-
C.
53rd Street Tunnel
The 53rd Street Tunnel is a New York City Subway tunnel under the East River that carries IND Queens Boulevard Line trains between Manhattan and Queens.
-
D.
Park Avenue Tunnel
Park Avenue Tunnel is a historic vehicular and former rail tunnel in Manhattan that carries traffic beneath Park Avenue near Grand Central Terminal.
-
E.
East New York Tunnel
The East New York Tunnel is a railroad tunnel in Brooklyn, New York, that carries Long Island Rail Road trains beneath the East New York neighborhood.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway tunnel
ⓘ
railway tunnel ⓘ transport infrastructure ⓘ underwater tunnel ⓘ |
| alsoKnownAs |
14th Street–Canarsie Tunnel
NERFINISHED
ⓘ
Canarsie Tube NERFINISHED ⓘ |
| borough |
Brooklyn
ⓘ
Manhattan ⓘ |
| carries |
BMT Canarsie Line
NERFINISHED
ⓘ
L service ⓘ |
| connects |
Brooklyn
NERFINISHED
ⓘ
Manhattan NERFINISHED ⓘ |
| constructionStartDate | 1916 ⓘ |
| crosses | East River NERFINISHED ⓘ |
| electrification | 600 V DC third rail ⓘ |
| hasLocale | East River between Manhattan and Brooklyn NERFINISHED ⓘ |
| hasPurpose | rapid transit ⓘ |
| hasRightOfWay | underground ⓘ |
| hasService | L train NERFINISHED ⓘ |
| hasSignaling | automatic block signaling ⓘ |
| hasStructureType | bored tunnel ⓘ |
| hasTrackGauge |
1,435 mm
ⓘ
standard gauge ⓘ |
| hasVentilation | mechanical ventilation system ⓘ |
| locatedIn |
New York City
ⓘ
United States of America ⓘ
surface form:
United States
|
| locatedUnder | 14th Street (Manhattan) NERFINISHED ⓘ |
| maintainedBy | New York City Transit Authority NERFINISHED ⓘ |
| majorRehabilitationCompletion | 2020 ⓘ |
| majorRehabilitationStart | 2019 ⓘ |
| numberOfTracks | 2 ⓘ |
| openedForService | 1924 ⓘ |
| openingDate | 1924 ⓘ |
| operator |
Metropolitan Transportation Authority
ⓘ
New York City Transit Authority NERFINISHED ⓘ |
| ownedBy |
New York City
ⓘ
surface form:
City of New York
|
| partOf | New York City Subway ⓘ |
| partOfNetwork | B Division (New York City Subway) NERFINISHED ⓘ |
| passesUnder | East River NERFINISHED ⓘ |
| rehabilitationMethod |
cable racking system
ⓘ
fiber-reinforced polymer panels ⓘ |
| safetyUpgrade |
flood protection improvements
ⓘ
new power and communication cables ⓘ |
| servesLine | Canarsie Line NERFINISHED ⓘ |
| undergoes | Hurricane Sandy repairs ⓘ |
| usedFor | passenger transport ⓘ |
| wasDamagedBy | Hurricane Sandy 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: 14th Street Tunnel Description of subject: The 14th Street Tunnel is a major New York City subway tunnel that carries the L train beneath the East River between Manhattan and Brooklyn.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.