Chicago–St. Louis rail corridor
E670636
The Chicago–St. Louis rail corridor is a major Midwestern passenger and freight rail route linking Chicago, Illinois, with St. Louis, Missouri, and serving as a key component of the region’s transportation network.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Chicago to St. Louis rail corridor | 1 |
| Chicago–St. Louis rail corridor canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7522459 — 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: Chicago–St. Louis rail corridor Context triple: [Missouri and Illinois, shareRailCorridor, Chicago–St. Louis rail corridor]
-
A.
Chicago–San Antonio rail corridor
The Chicago–San Antonio rail corridor is a long-distance passenger rail route in the central United States that links Chicago, Illinois, with San Antonio, Texas, passing through major Midwestern and Southern cities.
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B.
Chicago–La Grange corridor
The Chicago–La Grange corridor is a key suburban rail route west of Chicago that has long served as a major commuter link between the city and its western suburbs.
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C.
Chicago–Omaha main line
The Chicago–Omaha main line was a principal transcontinental rail corridor in the Midwestern United States, linking Chicago with Omaha and serving as a key route for both passenger and freight traffic.
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D.
Kansas City–Gulf Coast corridor
The Kansas City–Gulf Coast corridor is a major freight rail route linking the U.S. Midwest around Kansas City with key ports and industrial centers along the Gulf Coast.
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E.
Burlington–Fort Madison rail corridor
The Burlington–Fort Madison rail corridor is a key railway line in southeastern Iowa that carries Amtrak passenger trains and significant freight traffic along the Mississippi River between Burlington and Fort Madison.
- 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: Chicago–St. Louis rail corridor Target entity description: The Chicago–St. Louis rail corridor is a major Midwestern passenger and freight rail route linking Chicago, Illinois, with St. Louis, Missouri, and serving as a key component of the region’s transportation network.
-
A.
Chicago–San Antonio rail corridor
The Chicago–San Antonio rail corridor is a long-distance passenger rail route in the central United States that links Chicago, Illinois, with San Antonio, Texas, passing through major Midwestern and Southern cities.
-
B.
Chicago–La Grange corridor
The Chicago–La Grange corridor is a key suburban rail route west of Chicago that has long served as a major commuter link between the city and its western suburbs.
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C.
Chicago–Omaha main line
The Chicago–Omaha main line was a principal transcontinental rail corridor in the Midwestern United States, linking Chicago with Omaha and serving as a key route for both passenger and freight traffic.
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D.
Kansas City–Gulf Coast corridor
The Kansas City–Gulf Coast corridor is a major freight rail route linking the U.S. Midwest around Kansas City with key ports and industrial centers along the Gulf Coast.
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E.
Burlington–Fort Madison rail corridor
The Burlington–Fort Madison rail corridor is a key railway line in southeastern Iowa that carries Amtrak passenger trains and significant freight traffic along the Mississippi River between Burlington and Fort Madison.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
freight rail line
ⓘ
passenger rail line ⓘ rail corridor ⓘ |
| connectsCity |
Chicago
NERFINISHED
ⓘ
St. Louis NERFINISHED ⓘ |
| connectsMetropolitanArea |
Chicago metropolitan area
NERFINISHED
ⓘ
St. Louis metropolitan area NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | not electrified ⓘ |
| fundedBy |
Federal Railroad Administration
NERFINISHED
ⓘ
State of Illinois NERFINISHED ⓘ |
| gauge | standard gauge ⓘ |
| historicallyUsedBy |
Chicago and Alton Railroad
NERFINISHED
ⓘ
Gulf, Mobile and Ohio Railroad NERFINISHED ⓘ Illinois Central Railroad NERFINISHED ⓘ |
| importance | major Midwestern rail route ⓘ |
| locatedIn | Midwestern United States ⓘ |
| maximumSpeed | 110 mph ⓘ |
| operatorFreightServices |
Canadian National Railway
NERFINISHED
ⓘ
Norfolk Southern Railway NERFINISHED ⓘ Union Pacific Railroad NERFINISHED ⓘ |
| operatorPassengerServices | Amtrak NERFINISHED ⓘ |
| owner |
Canadian National Railway
NERFINISHED
ⓘ
Norfolk Southern Railway NERFINISHED ⓘ Union Pacific Railroad NERFINISHED ⓘ |
| partOf |
Midwest Regional Rail Initiative
NERFINISHED
ⓘ
Midwestern transportation network ⓘ federally designated high-speed rail corridors in the United States ⓘ |
| passesThrough |
Alton, Illinois
NERFINISHED
ⓘ
Bloomington–Normal, Illinois NERFINISHED ⓘ Illinois NERFINISHED ⓘ Joliet, Illinois NERFINISHED ⓘ Missouri NERFINISHED ⓘ Springfield, Illinois NERFINISHED ⓘ |
| regionServed |
Illinois
NERFINISHED
ⓘ
Missouri NERFINISHED ⓘ |
| role | key component of regional transportation network ⓘ |
| servedBy |
Amtrak
ⓘ
Lincoln Service NERFINISHED ⓘ Texas Eagle NERFINISHED ⓘ |
| terminus |
Chicago, Illinois
NERFINISHED
ⓘ
St. Louis, Missouri NERFINISHED ⓘ |
| trackConfiguration | mostly double track ⓘ |
| upgradedFor | higher-speed rail ⓘ |
| usedByService |
Amtrak Lincoln Service
NERFINISHED
ⓘ
Amtrak Texas Eagle NERFINISHED ⓘ |
| usedFor |
freight rail transport
ⓘ
passenger rail transport ⓘ |
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: Chicago–St. Louis rail corridor Description of subject: The Chicago–St. Louis rail corridor is a major Midwestern passenger and freight rail route linking Chicago, Illinois, with St. Louis, Missouri, and serving as a key component of the region’s transportation network.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Chicago to St. Louis rail corridor