Illinois State Toll Highway Authority
E171593
The Illinois State Toll Highway Authority is a state agency that builds, operates, and maintains the tollway system in Illinois.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Illinois State Toll Highway Authority canonical | 27 |
| Illinois Tollway system | 2 |
| Illinois State Toll Highway Authority Board | 1 |
| Illinois tollways | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1497413 — 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 State Toll Highway Authority Context triple: [I-355, maintainedBy, Illinois State Toll Highway Authority]
-
A.
Indiana Department of Transportation
The Indiana Department of Transportation is the state agency responsible for planning, building, and maintaining Indiana’s transportation infrastructure, including highways and related systems.
-
B.
Iowa Department of Transportation
The Iowa Department of Transportation is the state government agency responsible for planning, building, and maintaining Iowa’s transportation infrastructure, including its highways and interstates.
-
C.
Indiana Toll Road
The Indiana Toll Road is a major east–west highway running across northern Indiana, forming part of the Interstate 80/90 corridor and providing a key link between the Chicago area and the Ohio Turnpike.
-
D.
Illinois Prairie Path Corporation
Illinois Prairie Path Corporation is a nonprofit organization that oversees and maintains the Illinois Prairie Path, a major multi-use recreational trail system in northeastern Illinois.
-
E.
Massachusetts Turnpike Authority
The Massachusetts Turnpike Authority was a former state agency that operated and maintained the Massachusetts Turnpike and related transportation facilities before its functions were absorbed into the Massachusetts Department of Transportation.
- 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 State Toll Highway Authority Target entity description: The Illinois State Toll Highway Authority is a state agency that builds, operates, and maintains the tollway system in Illinois.
-
A.
Indiana Department of Transportation
The Indiana Department of Transportation is the state agency responsible for planning, building, and maintaining Indiana’s transportation infrastructure, including highways and related systems.
-
B.
Iowa Department of Transportation
The Iowa Department of Transportation is the state government agency responsible for planning, building, and maintaining Iowa’s transportation infrastructure, including its highways and interstates.
-
C.
Indiana Toll Road
The Indiana Toll Road is a major east–west highway running across northern Indiana, forming part of the Interstate 80/90 corridor and providing a key link between the Chicago area and the Ohio Turnpike.
-
D.
Illinois Prairie Path Corporation
Illinois Prairie Path Corporation is a nonprofit organization that oversees and maintains the Illinois Prairie Path, a major multi-use recreational trail system in northeastern Illinois.
-
E.
Massachusetts Turnpike Authority
The Massachusetts Turnpike Authority was a former state agency that operated and maintained the Massachusetts Turnpike and related transportation facilities before its functions were absorbed into the Massachusetts Department of Transportation.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
state agency
ⓘ
toll road operator ⓘ |
| appliesTollTo | motor vehicles ⓘ |
| builds | toll highways in Illinois ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| fundingModel | toll revenues ⓘ |
| hasOfficialName | Illinois State Toll Highway Authority ⓘ |
| hasPurpose |
facilitate vehicular travel in Illinois
ⓘ
provide and maintain toll highway infrastructure ⓘ |
| hasService |
highway maintenance
ⓘ
road construction ⓘ toll collection ⓘ traffic management ⓘ |
| headquartersLocation | Illinois ⓘ |
| industry |
road infrastructure
ⓘ
toll road operations ⓘ transportation ⓘ |
| legalForm | government agency ⓘ |
| locatedInTimeZone | Central Time Zone ⓘ |
| maintains |
Illinois Tollway system
ⓘ
linked to:
Illinois Tollway
|
| modeOfTransport | road transport ⓘ |
| operates |
Illinois Tollway system
ⓘ
linked to:
Illinois Tollway
|
| operatesInJurisdiction | Illinois ⓘ |
| ownedBy |
State of Illinois
ⓘ
linked to:
Illinois
|
| parentOrganization |
State of Illinois
ⓘ
linked to:
Illinois
|
| regulates | use of Illinois tollways ⓘ |
| responsibleFor |
construction of toll roads in Illinois
ⓘ
maintenance of toll roads in Illinois ⓘ operation of toll roads in Illinois ⓘ |
| sector | public sector ⓘ |
| serviceArea |
Chicago metropolitan area
ⓘ
northern Illinois ⓘ |
| shortName | Illinois Tollway ⓘ |
| state | Illinois ⓘ |
| subjectTo |
United States federal transportation regulations
ⓘ
laws of the State of Illinois ⓘ |
| transportNetwork | highway network in Illinois ⓘ |
| usesSystem |
cashless tolling
ⓘ
electronic toll collection ⓘ |
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 State Toll Highway Authority Description of subject: The Illinois State Toll Highway Authority is a state agency that builds, operates, and maintains the tollway system in Illinois.
Referenced by (31)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
I-355 (Veterans Memorial Tollway)
subject linked to:
I-355 (Veterans Memorial Tollway)
linked to: Illinois State Toll Highway Authority
subject linked to:
Interstate 88
linked to: Illinois State Toll Highway Authority
subject linked to:
Interstate 88 (nearby)
subject linked to:
Interstate 88 (nearby)
subject linked to:
Interstate 490 (Illinois) (planned connection)
subject linked to:
ISP
linked to: Illinois State Toll Highway Authority