Metra Western Avenue Yard
E612061
Metra Western Avenue Yard is a major rail yard and maintenance facility in Chicago used for storing and servicing Metra commuter trains, particularly those on the Milwaukee District lines.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Metra Western Avenue Yard canonical | 2 |
| Metra maintenance and storage facilities network | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6683540 — 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: Metra Western Avenue Yard Context triple: [Western Avenue (Milwaukee District), nearbyFacility, Metra Western Avenue Yard]
-
A.
North Avenue Light Rail Yard
North Avenue Light Rail Yard is a major maintenance, storage, and operations facility serving Baltimore’s Light RailLink system.
-
B.
207th Street Yard
The 207th Street Yard is a major New York City Subway maintenance and storage facility in Upper Manhattan that services and houses A line trains and other IND rolling stock.
-
C.
Barrington Metra station
Barrington Metra station is a commuter rail station in Barrington, Illinois, serving as a stop on Metra's Union Pacific Northwest Line connecting the suburb to downtown Chicago.
-
D.
Hanover Park Metra station
Hanover Park Metra station is a commuter rail station in Hanover Park, Illinois, serving Metra’s Milwaukee District/West Line between Chicago and its northwestern suburbs.
-
E.
Metra Rock Island District 35th Street station
Metra Rock Island District 35th Street station is a commuter rail stop in Chicago serving the Rock Island District line, located near Guaranteed Rate Field and providing access to the surrounding Bronzeville and Bridgeport areas.
- 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: Metra Western Avenue Yard Target entity description: Metra Western Avenue Yard is a major rail yard and maintenance facility in Chicago used for storing and servicing Metra commuter trains, particularly those on the Milwaukee District lines.
-
A.
North Avenue Light Rail Yard
North Avenue Light Rail Yard is a major maintenance, storage, and operations facility serving Baltimore’s Light RailLink system.
-
B.
207th Street Yard
The 207th Street Yard is a major New York City Subway maintenance and storage facility in Upper Manhattan that services and houses A line trains and other IND rolling stock.
-
C.
Barrington Metra station
Barrington Metra station is a commuter rail station in Barrington, Illinois, serving as a stop on Metra's Union Pacific Northwest Line connecting the suburb to downtown Chicago.
-
D.
Hanover Park Metra station
Hanover Park Metra station is a commuter rail station in Hanover Park, Illinois, serving Metra’s Milwaukee District/West Line between Chicago and its northwestern suburbs.
-
E.
Metra Rock Island District 35th Street station
Metra Rock Island District 35th Street station is a commuter rail stop in Chicago serving the Rock Island District line, located near Guaranteed Rate Field and providing access to the surrounding Bronzeville and Bridgeport areas.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
rail yard
ⓘ
train maintenance facility ⓘ |
| adjacentTo |
Metra Western Avenue station (Milwaukee District)
ⓘ
linked to:
Western Avenue station (Metra)
|
| city |
Chicago
ⓘ
linked to:
Chicago, Illinois, United States
|
| connectsTo |
Milwaukee District North Line
ⓘ
linked to:
Metra Milwaukee District North Line
Milwaukee District West Line ⓘ
linked to:
Metra Milwaukee District West Line
North Central Service ⓘ
linked to:
North Central Service line
|
| country |
United States
ⓘ
linked to:
United States of America
|
| hasAccessType | non-public facility ⓘ |
| hasFacility |
crew facilities
ⓘ
fueling facilities ⓘ maintenance tracks ⓘ service building ⓘ storage tracks ⓘ wash track ⓘ |
| hasFunction |
cleaning of trainsets
ⓘ
equipment inspection ⓘ minor repairs ⓘ overnight train storage ⓘ |
| isMajorFacilityFor | Metra Milwaukee District operations ⓘ |
| locatedInCounty | Cook County, Illinois ⓘ |
| locatedInState | Illinois ⓘ |
| locatedInTimeZone | Central Time Zone ⓘ |
| location | Chicago, Illinois, United States ⓘ |
| operator | Metra ⓘ |
| ownedBy | Metra ⓘ |
| partOf |
Metra maintenance and storage facilities network
ⓘ
linked to:
Metra Western Avenue Yard
|
| primaryPurpose | support Milwaukee District commuter operations ⓘ |
| railGauge | standard gauge ⓘ |
| railNetwork | Metra ⓘ |
| railOperatorType | commuter rail ⓘ |
| regionServed | Chicago metropolitan area ⓘ |
| serves |
Metra commuter rail system
ⓘ
linked to:
Metra
|
| servesOperator |
Metra Milwaukee District lines
ⓘ
linked to:
Metra Milwaukee District
|
| servesRollingStockType | diesel commuter rail trains ⓘ |
| transportMode | rail ⓘ |
| usedBy |
Metra Milwaukee District North Line
ⓘ
Metra Milwaukee District West Line ⓘ Metra North Central Service ⓘ |
| usedFor |
light maintenance of rolling stock
ⓘ
servicing of commuter rail trains ⓘ storage of commuter rail trains ⓘ |
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: Metra Western Avenue Yard Description of subject: Metra Western Avenue Yard is a major rail yard and maintenance facility in Chicago used for storing and servicing Metra commuter trains, particularly those on the Milwaukee District lines.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Metra Western Avenue Yard