CTA 3200-series railcars
E100325
The CTA 3200-series railcars are a fleet of Chicago "L" rapid transit cars introduced in the early 1990s, known for serving lines such as the Orange Line with modernized features compared to earlier series.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CTA 3200-series railcars canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T818528 — 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: CTA 3200-series railcars Context triple: [Orange Line (CTA), usesRollingStock, CTA 3200-series railcars]
-
A.
CTA 2600-series railcars
The CTA 2600-series railcars are a fleet of Chicago 'L' rapid transit cars introduced in the 1980s, known for their stainless-steel bodies and long service on multiple lines in the system.
-
B.
CTA 5000-series railcars
The CTA 5000-series railcars are a modern generation of Chicago "L" rapid transit cars featuring improved accessibility, digital signage, and enhanced passenger comfort and safety systems.
-
C.
Bombardier Flexity Swift
The Bombardier Flexity Swift is a family of modular, high-floor light rail and tram vehicles designed for rapid transit operations in urban and suburban networks worldwide.
-
D.
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.
-
E.
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.
- 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: CTA 3200-series railcars Target entity description: The CTA 3200-series railcars are a fleet of Chicago "L" rapid transit cars introduced in the early 1990s, known for serving lines such as the Orange Line with modernized features compared to earlier series.
-
A.
CTA 2600-series railcars
The CTA 2600-series railcars are a fleet of Chicago 'L' rapid transit cars introduced in the 1980s, known for their stainless-steel bodies and long service on multiple lines in the system.
-
B.
CTA 5000-series railcars
The CTA 5000-series railcars are a modern generation of Chicago "L" rapid transit cars featuring improved accessibility, digital signage, and enhanced passenger comfort and safety systems.
-
C.
Bombardier Flexity Swift
The Bombardier Flexity Swift is a family of modular, high-floor light rail and tram vehicles designed for rapid transit operations in urban and suburban networks worldwide.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
rapid transit rolling stock ⓘ |
| brakeType |
dynamic braking
ⓘ
friction braking ⓘ |
| carbodyMaterial | stainless steel ⓘ |
| carConfiguration | married pairs ⓘ |
| cityServed |
City of Chicago
ⓘ
surface form:
Chicago
|
| controlSystem | solid-state controls ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| couplingType | Scharfenberg-type couplers ⓘ |
| designedBy |
Morrison-Knudsen
ⓘ
surface form:
Morrison-Knudsen engineers
|
| designedFor |
Orange Line
ⓘ
high-platform operation ⓘ |
| doorConfiguration | two double-leaf doors per side ⓘ |
| doorType | sliding doors ⓘ |
| electrificationSystem | third-rail contact shoes ⓘ |
| enteredService | 1993 ⓘ |
| feature |
ADA-compliant features
ⓘ
air conditioning ⓘ automated announcements ⓘ electronic destination signs ⓘ improved interior lighting ⓘ |
| fleetNumbers | 3201–3458 ⓘ |
| introduced | early 1990s ⓘ |
| manufacturer | Morrison-Knudsen ⓘ |
| network | CTA rail system ⓘ |
| notableFor |
modernized features compared to earlier CTA series
ⓘ
reliability in heavy urban service ⓘ |
| operator | Chicago Transit Authority ⓘ |
| powerSupply | 600 V DC third rail ⓘ |
| precededBy | CTA 2600-series railcars ⓘ |
| purpose | replacement of older CTA railcar series ⓘ |
| railwaySystem | Chicago "L" ⓘ |
| region | Illinois ⓘ |
| serviceType | rapid transit ⓘ |
| succeededBy | CTA 5000-series railcars ⓘ |
| trackGauge | standard gauge ⓘ |
| usedInService |
off-peak service
ⓘ
weekday commuter service ⓘ |
| usedOnLine |
Blue Line
ⓘ
Brown Line ⓘ Orange Line ⓘ Purple Line ⓘ Red Line ⓘ Yellow Line ⓘ |
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: CTA 3200-series railcars Description of subject: The CTA 3200-series railcars are a fleet of Chicago "L" rapid transit cars introduced in the early 1990s, known for serving lines such as the Orange Line with modernized features compared to earlier series.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Orange Line (CTA)
subject surface form:
L (CTA Blue Line)