Harold Interlocking
E189092
Harold Interlocking is a major and complex railroad junction in Queens, New York, that serves as a key convergence point for Long Island Rail Road and Amtrak trains heading into and out of Penn Station.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Harold Interlocking canonical | 4 |
| Harold and Point Interlockings Complex | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1686828 — 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: Harold Interlocking Context triple: [Main Line (Long Island Rail Road), junctionAt, Harold Interlocking]
-
A.
Lowell Connector
The Lowell Connector is a short freeway spur in Lowell, Massachusetts, that links the city to the larger interstate highway network.
-
B.
Mariani Junction
Mariani Junction is a key railway junction in Assam, India, serving as an important rail hub for the Jorhat region and surrounding areas.
-
C.
Ayer station
Ayer station is a commuter rail stop in Ayer, Massachusetts that serves as a local transit hub on the MBTA Fitchburg Line.
-
D.
Edison station
Edison station is a New Jersey Transit commuter rail stop on the Northeast Corridor Line serving the township of Edison, New Jersey.
-
E.
Noyes station
Noyes station is an elevated Chicago Transit Authority 'L' station on the Purple Line serving the Evanston area north of Chicago.
- 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: Harold Interlocking Target entity description: Harold Interlocking is a major and complex railroad junction in Queens, New York, that serves as a key convergence point for Long Island Rail Road and Amtrak trains heading into and out of Penn Station.
-
A.
Lowell Connector
The Lowell Connector is a short freeway spur in Lowell, Massachusetts, that links the city to the larger interstate highway network.
-
B.
Mariani Junction
Mariani Junction is a key railway junction in Assam, India, serving as an important rail hub for the Jorhat region and surrounding areas.
-
C.
Ayer station
Ayer station is a commuter rail stop in Ayer, Massachusetts that serves as a local transit hub on the MBTA Fitchburg Line.
-
D.
Edison station
Edison station is a New Jersey Transit commuter rail stop on the Northeast Corridor Line serving the township of Edison, New Jersey.
-
E.
Noyes station
Noyes station is an elevated Chicago Transit Authority 'L' station on the Purple Line serving the Evanston area north of Chicago.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
railroad interlocking
ⓘ
railway junction ⓘ |
| adjacentTo | Sunnyside Yard ⓘ |
| borough | Queens ⓘ |
| city | New York City ⓘ |
| connectsTo |
East River tunnels
ⓘ
surface form:
East River Tunnels
Long Island Rail Road Main Line ⓘ
surface form:
LIRR Main Line east of Long Island City
Port Washington Branch ⓘ Sunnyside Yard leads ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| function |
controls train movements into and out of New York Penn Station from the east
ⓘ
junction for LIRR and Amtrak routes ⓘ |
| hasRole | key convergence point for trains entering and leaving Penn Station from Long Island and the Northeast Corridor ⓘ |
| locatedAlong | Northeast Corridor between New York Penn Station and New Rochelle ⓘ |
| locatedIn |
Borough of Queens
ⓘ
New York City ⓘ New York ⓘ
surface form:
New York State
Queens ⓘ |
| locatedNear |
Sunnyside Yard
ⓘ
Sunnyside, Queens ⓘ |
| locatedUnder | overhead catenary for Amtrak tracks ⓘ |
| notableFor |
being one of the busiest passenger rail interlockings in the United States
ⓘ
complex track and signal layout ⓘ |
| operator | Amtrak ⓘ |
| owner | Amtrak ⓘ |
| partOfLine |
Harold Interlocking
self-linksurface differs
ⓘ
surface form:
Harold and Point Interlockings Complex
Long Island Rail Road Main Line ⓘ
surface form:
LIRR Main Line
Northeast Corridor ⓘ Port Washington Branch ⓘ |
| primaryDirection | east of New York Penn Station ⓘ |
| railNetwork |
Amtrak
ⓘ
Long Island Rail Road ⓘ |
| railTraffic |
commuter rail
ⓘ
intercity rail ⓘ |
| region | New York metropolitan area ⓘ |
| safetySystem | signal interlocking logic ⓘ |
| servesStation |
Penn Station (New York City)
ⓘ
surface form:
New York Penn Station
Penn Station (New York City) ⓘ
surface form:
Penn Station
|
| signalingType | interlocking signal system ⓘ |
| state | New York ⓘ |
| trackConfiguration | multi‑track junction ⓘ |
| usedBy |
Amtrak
ⓘ
Long Island Rail Road ⓘ NJ Transit ⓘ
surface form:
New Jersey Transit
|
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: Harold Interlocking Description of subject: Harold Interlocking is a major and complex railroad junction in Queens, New York, that serves as a key convergence point for Long Island Rail Road and Amtrak trains heading into and out of Penn Station.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Main Line (Long Island Rail Road)
this entity surface form:
Harold and Point Interlockings Complex