Cook County Department of Transportation and Highways
E811288
The Cook County Department of Transportation and Highways is the county agency responsible for planning, building, and maintaining the highway and transportation infrastructure within Cook County, Illinois.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cook County Department of Transportation and Highways canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9609107 — 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: Cook County Department of Transportation and Highways Context triple: [Army Trail Road, maintainedBy, Cook County Department of Transportation and Highways]
-
A.
DuPage County Division of Transportation
DuPage County Division of Transportation is the county agency responsible for planning, building, and maintaining the transportation infrastructure and roadways within DuPage County, Illinois.
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B.
Illinois Department of Transportation
The Illinois Department of Transportation is the state agency responsible for planning, building, and maintaining Illinois’s transportation infrastructure, including highways, public transit, rail, and aviation systems.
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C.
Chicago Department of Transportation
The Chicago Department of Transportation is the city agency responsible for planning, building, and maintaining Chicago’s transportation infrastructure, including streets, bridges, and pedestrian facilities.
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D.
Montgomery County Department of Transportation
The Montgomery County Department of Transportation is the local government agency responsible for planning, operating, and maintaining Montgomery County, Maryland’s transportation infrastructure and services, including public transit, roads, and pedestrian facilities.
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E.
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.
- 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: Cook County Department of Transportation and Highways Target entity description: The Cook County Department of Transportation and Highways is the county agency responsible for planning, building, and maintaining the highway and transportation infrastructure within Cook County, Illinois.
-
A.
DuPage County Division of Transportation
DuPage County Division of Transportation is the county agency responsible for planning, building, and maintaining the transportation infrastructure and roadways within DuPage County, Illinois.
-
B.
Illinois Department of Transportation
The Illinois Department of Transportation is the state agency responsible for planning, building, and maintaining Illinois’s transportation infrastructure, including highways, public transit, rail, and aviation systems.
-
C.
Chicago Department of Transportation
The Chicago Department of Transportation is the city agency responsible for planning, building, and maintaining Chicago’s transportation infrastructure, including streets, bridges, and pedestrian facilities.
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D.
Montgomery County Department of Transportation
The Montgomery County Department of Transportation is the local government agency responsible for planning, operating, and maintaining Montgomery County, Maryland’s transportation infrastructure and services, including public transit, roads, and pedestrian facilities.
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E.
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.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
county government agency
ⓘ
transportation department ⓘ |
| collaboratesWith |
Illinois Department of Transportation
ⓘ
regional transit agencies in the Chicago area ⓘ |
| country | United States of America ⓘ |
| fundedBy |
Cook County budget
ⓘ
federal transportation grants ⓘ state transportation funds ⓘ |
| governingBody | Cook County Board of Commissioners ⓘ |
| hasHeadquartersLocation | Cook County, Illinois ⓘ |
| jurisdiction | Cook County, Illinois ⓘ |
| locatedIn |
Chicago metropolitan area
ⓘ
Cook County, Illinois ⓘ Illinois ⓘ |
| maintains |
county highway rights-of-way
ⓘ
drainage systems along county highways ⓘ pavement markings on county highways ⓘ signage on county highways ⓘ |
| operatesInSector |
highway maintenance
ⓘ
transportation infrastructure ⓘ transportation planning ⓘ |
| oversees |
Cook County highway system
ⓘ
county roadway construction contracts ⓘ county-owned bridges in Cook County ⓘ |
| parentOrganization | Cook County government ⓘ |
| partOf | Cook County government ⓘ |
| responsibleFor |
capital improvement planning for county transportation system
ⓘ
construction of county highways ⓘ coordination with municipalities on transportation projects ⓘ coordination with state and federal transportation agencies ⓘ county bridges ⓘ county roads ⓘ design of county highways ⓘ maintenance of county highways ⓘ operation of county highway system ⓘ planning of county transportation infrastructure ⓘ right-of-way management for county highways ⓘ snow and ice control on county highways ⓘ traffic control devices on county highways ⓘ transportation project implementation within Cook County jurisdiction ⓘ |
| serviceArea |
municipalities within Cook County for county routes
ⓘ
unincorporated areas of Cook County ⓘ |
| website | https://www.cookcountyil.gov/agency/department-transportation-and-highways ⓘ |
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: Cook County Department of Transportation and Highways Description of subject: The Cook County Department of Transportation and Highways is the county agency responsible for planning, building, and maintaining the highway and transportation infrastructure within Cook County, Illinois.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.