Illinois Terminal Railroad
E1021925
Illinois Terminal Railroad was an interurban electric railway system that operated in central Illinois, providing both passenger and freight service during the early to mid-20th century.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Illinois Terminal Railroad canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12803366 — 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: Illinois Terminal Railroad Context triple: [Illinois Terminal (multimodal transportation center), namedAfter, Illinois Terminal Railroad]
-
A.
Illinois Central Railroad
The Illinois Central Railroad was a major American rail carrier that played a pivotal role in connecting the Midwest to the Gulf of Mexico and fostering economic development along its north–south route.
-
B.
Chicago and Alton Railroad
The Chicago and Alton Railroad was a prominent 19th- and early 20th-century Midwestern U.S. railroad that connected Chicago with central and southern Illinois and Missouri, playing a key role in regional passenger and freight transport.
-
C.
Chicago and Eastern Illinois Railroad
The Chicago and Eastern Illinois Railroad was a regional U.S. railroad that primarily served Illinois and neighboring states, later becoming part of the Missouri Pacific (MoPac) system.
-
D.
Chicago, Rock Island and Pacific Railroad
The Chicago, Rock Island and Pacific Railroad was a major Midwestern U.S. railroad that operated extensive passenger and freight services, notably connecting Chicago with cities across the Great Plains and Southwest, until its final liquidation in the 1980s.
-
E.
Chicago Aurora and Elgin Railroad
The Chicago Aurora and Elgin Railroad was an interurban electric railway that once connected Chicago with its western suburbs, playing a key role in regional commuter transit in the early to mid-20th century.
- 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: Illinois Terminal Railroad Target entity description: Illinois Terminal Railroad was an interurban electric railway system that operated in central Illinois, providing both passenger and freight service during the early to mid-20th century.
-
A.
Illinois Central Railroad
The Illinois Central Railroad was a major American rail carrier that played a pivotal role in connecting the Midwest to the Gulf of Mexico and fostering economic development along its north–south route.
-
B.
Chicago and Alton Railroad
The Chicago and Alton Railroad was a prominent 19th- and early 20th-century Midwestern U.S. railroad that connected Chicago with central and southern Illinois and Missouri, playing a key role in regional passenger and freight transport.
-
C.
Chicago and Eastern Illinois Railroad
The Chicago and Eastern Illinois Railroad was a regional U.S. railroad that primarily served Illinois and neighboring states, later becoming part of the Missouri Pacific (MoPac) system.
-
D.
Chicago, Rock Island and Pacific Railroad
The Chicago, Rock Island and Pacific Railroad was a major Midwestern U.S. railroad that operated extensive passenger and freight services, notably connecting Chicago with cities across the Great Plains and Southwest, until its final liquidation in the 1980s.
-
E.
Chicago Aurora and Elgin Railroad
The Chicago Aurora and Elgin Railroad was an interurban electric railway that once connected Chicago with its western suburbs, playing a key role in regional commuter transit in the early to mid-20th century.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
electric railway
ⓘ
interurban railway ⓘ railroad company ⓘ |
| alsoKnownAs |
IT
NERFINISHED
ⓘ
Illinois Terminal Company NERFINISHED ⓘ Illinois Traction System NERFINISHED ⓘ |
| beganOperation | 1890 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| declineReason |
postwar shift from electric to diesel freight operations
ⓘ
rise of automobile and highway competition ⓘ |
| electrification | overhead line ⓘ |
| endOfElectricOperation | 1956 ⓘ |
| endOfPassengerService | 1956 ⓘ |
| freightOperationsContinuedUntil | 1982 ⓘ |
| headquartersLocation | St. Louis, Missouri NERFINISHED ⓘ |
| heritagePreservedAt |
Illinois Railway Museum
NERFINISHED
ⓘ
Museum of Transportation in St. Louis NERFINISHED ⓘ |
| locatedIn |
Illinois
ⓘ
central Illinois NERFINISHED ⓘ |
| mergedInto | Norfolk and Western Railway NERFINISHED ⓘ |
| notableFor |
combination of heavy freight and interurban passenger operations
ⓘ
dense interurban network in central Illinois ⓘ serving multiple downtown terminals via street trackage ⓘ |
| notableStructure |
IT freight house in St. Louis
ⓘ
McKinley Bridge NERFINISHED ⓘ |
| operatedInCity |
Bloomington, Illinois
NERFINISHED
ⓘ
Champaign, Illinois NERFINISHED ⓘ Danville, Illinois NERFINISHED ⓘ Decatur, Illinois NERFINISHED ⓘ Peoria, Illinois NERFINISHED ⓘ Springfield, Illinois NERFINISHED ⓘ St. Louis, Missouri NERFINISHED ⓘ Urbana, Illinois NERFINISHED ⓘ |
| originalName | Urbana and Champaign Street Railway NERFINISHED ⓘ |
| rollingStockType |
electric freight locomotives
ⓘ
interurban electric multiple units ⓘ streetcars ⓘ |
| servedIndustry |
agricultural shippers in central Illinois
ⓘ
coal mines in Illinois ⓘ manufacturing industries in St. Louis area ⓘ |
| servedRegion |
St. Louis–Danville corridor
NERFINISHED
ⓘ
St. Louis–Decatur corridor NERFINISHED ⓘ St. Louis–Peoria corridor NERFINISHED ⓘ St. Louis–Springfield corridor NERFINISHED ⓘ |
| serviceType |
freight service
ⓘ
interurban passenger service ⓘ streetcar service ⓘ |
| successor | Norfolk and Western Railway NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
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: Illinois Terminal Railroad Description of subject: Illinois Terminal Railroad was an interurban electric railway system that operated in central Illinois, providing both passenger and freight service during the early to mid-20th century.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.