Illinois Department of Transportation
E200494
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Illinois Department of Transportation canonical | 65 |
| Illinois Department of Transportation (through Amtrak services) | 1 |
| Illinois Department of Transportation District 5 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1791967 — 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 Department of Transportation Context triple: [Siemens Charger, operator, Illinois Department of Transportation]
-
A.
Illinois State Toll Highway Authority
The Illinois State Toll Highway Authority is a state agency that builds, operates, and maintains the tollway system in Illinois.
-
B.
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.
-
C.
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.
-
D.
Missouri Department of Transportation
The Missouri Department of Transportation is the state government agency responsible for planning, building, and maintaining Missouri’s highway and transportation infrastructure.
-
E.
Michigan Department of Transportation
The Michigan Department of Transportation is the state government agency responsible for planning, building, and maintaining Michigan’s transportation infrastructure, including its highways, bridges, and public transit 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: Illinois Department of Transportation Target entity description: 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.
-
A.
Illinois State Toll Highway Authority
The Illinois State Toll Highway Authority is a state agency that builds, operates, and maintains the tollway system in Illinois.
-
B.
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.
-
C.
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.
-
D.
Missouri Department of Transportation
The Missouri Department of Transportation is the state government agency responsible for planning, building, and maintaining Missouri’s highway and transportation infrastructure.
-
E.
Michigan Department of Transportation
The Michigan Department of Transportation is the state government agency responsible for planning, building, and maintaining Michigan’s transportation infrastructure, including its highways, bridges, and public transit systems.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
government agency
ⓘ
state agency of Illinois ⓘ state transportation agency ⓘ |
| abbreviation | IDOT ⓘ |
| accountableTo | Governor of Illinois ⓘ |
| collaboratesWith |
Amtrak
ⓘ
Federal Highway Administration ⓘ Federal Transit Administration ⓘ local transit agencies in Illinois ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| employerOf | civil servants of the State of Illinois ⓘ |
| follows |
Illinois state transportation laws
ⓘ
federal transportation regulations of the United States ⓘ |
| hasObjective |
improve transportation safety in Illinois
ⓘ
maintain and enhance mobility in Illinois ⓘ preserve existing transportation assets in Illinois ⓘ support economic development through transportation infrastructure in Illinois ⓘ |
| headquartersLocation | Springfield, Illinois ⓘ |
| jurisdiction |
Illinois
ⓘ
Illinois ⓘ
surface form:
State of Illinois
|
| operatesIn | Illinois ⓘ |
| oversees |
aviation grant programs for Illinois airports
ⓘ
maintenance of state roads and bridges in Illinois ⓘ rail capital projects in Illinois ⓘ state highway construction projects in Illinois ⓘ state-funded public transportation programs in Illinois ⓘ |
| parentOrganization |
Illinois executive branch
ⓘ
surface form:
Executive branch of the State of Illinois
Government of Illinois ⓘ |
| partOf |
Government of Illinois
ⓘ
surface form:
Illinois state government
|
| regulatedBy | Illinois General Assembly ⓘ |
| responsibleFor |
Illinois state highway system
ⓘ
aviation system planning in Illinois ⓘ building transportation infrastructure in Illinois ⓘ maintaining transportation infrastructure in Illinois ⓘ multimodal transportation planning in Illinois ⓘ planning transportation infrastructure in Illinois ⓘ public transit planning and support in Illinois ⓘ rail transportation planning in Illinois ⓘ |
| sector | transportation ⓘ |
| uses | state transportation budget of Illinois ⓘ |
| website | https://idot.illinois.gov/ ⓘ |
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 Department of Transportation Description of subject: 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.
Referenced by (67)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Illinois Department of Transportation (through Amtrak services)
subject surface form:
Illinois Route 50
subject surface form:
Illinois Route 43
subject surface form:
Interstate 88 (Illinois)
subject surface form:
Midwest States Consortium
this entity surface form:
Illinois Department of Transportation District 5
subject surface form:
Dan Ryan Expressway
Illinois Route 34 (historic or related segments)
→
jurisdiction
→
Illinois Department of Transportation
ⓘ