Iowa Highway 30
E1020337
Iowa Highway 30 is a major east–west state highway crossing Iowa, serving as a key transportation corridor connecting numerous cities and intersecting several important routes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Iowa Highway 30 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12408954 — 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: Iowa Highway 30 Context triple: [Iowa Highway 13, hasJunctionWith, Iowa Highway 30]
-
A.
Iowa Highway 3
Iowa Highway 3 is an east–west state highway that spans northern Iowa, connecting numerous communities across the state.
-
B.
Iowa Highway 37
Iowa Highway 37 is a state highway in western Iowa that runs east–west through rural communities and farmland, connecting several small towns and local routes.
-
C.
Iowa Highway 39
Iowa Highway 39 is a state highway in western Iowa that runs north–south through rural communities and farmland, connecting local towns and major routes in the region.
-
D.
Iowa Highway 38
Iowa Highway 38 is a state highway in eastern Iowa that runs north–south through several communities, connecting rural areas with larger regional routes.
-
E.
Iowa Highway 2
Iowa Highway 2 is an east–west state highway spanning southern Iowa, running near the Missouri border and connecting several small towns and regional routes across the state.
- 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: Iowa Highway 30 Target entity description: Iowa Highway 30 is a major east–west state highway crossing Iowa, serving as a key transportation corridor connecting numerous cities and intersecting several important routes.
-
A.
Iowa Highway 3
Iowa Highway 3 is an east–west state highway that spans northern Iowa, connecting numerous communities across the state.
-
B.
Iowa Highway 37
Iowa Highway 37 is a state highway in western Iowa that runs east–west through rural communities and farmland, connecting several small towns and local routes.
-
C.
Iowa Highway 39
Iowa Highway 39 is a state highway in western Iowa that runs north–south through rural communities and farmland, connecting local towns and major routes in the region.
-
D.
Iowa Highway 38
Iowa Highway 38 is a state highway in eastern Iowa that runs north–south through several communities, connecting rural areas with larger regional routes.
-
E.
Iowa Highway 2
Iowa Highway 2 is an east–west state highway spanning southern Iowa, running near the Missouri border and connecting several small towns and regional routes across the state.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
road transportation infrastructure
ⓘ
state highway ⓘ |
| abbreviation | IA 30 ⓘ |
| connectsTo |
Interstate 29
ⓘ
Interstate 35 ⓘ Interstate 380 ⓘ Interstate 80 ⓘ Iowa Highway 13 ⓘ Iowa Highway 136 ⓘ Iowa Highway 17 ⓘ Iowa Highway 21 ⓘ Iowa Highway 38 ⓘ Iowa Highway 4 ⓘ U.S. Route 169 NERFINISHED ⓘ U.S. Route 218 ⓘ U.S. Route 59 NERFINISHED ⓘ U.S. Route 61 NERFINISHED ⓘ U.S. Route 63 NERFINISHED ⓘ U.S. Route 65 NERFINISHED ⓘ U.S. Route 67 NERFINISHED ⓘ U.S. Route 71 NERFINISHED ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crosses |
Mississippi River at Clinton, Iowa
ⓘ
Missouri River via connection at Missouri Valley area ⓘ state of Iowa ⓘ
linked to:
Iowa
|
| direction | east–west ⓘ |
| easternTerminusAt | Clinton, Iowa ⓘ |
| highwaySystem |
Iowa State Highway System
ⓘ
linked to:
Iowa State Highway
|
| historicalAssociation |
Lincoln Highway in Iowa
ⓘ
linked to:
Lincoln Highway
|
| maintainedBy | Iowa Department of Transportation ⓘ |
| parallelTo |
Union Pacific Railroad main line in parts of Iowa
ⓘ
linked to:
Union Pacific Railroad line
|
| partOf | historic Lincoln Highway corridor in Iowa ⓘ |
| passesNear |
Iowa State University in Ames
ⓘ
linked to:
Iowa State College
|
| passesThrough |
Ames, Iowa
ⓘ
Boone, Iowa ⓘ
linked to:
Boone, Iowa, United States
Carroll, Iowa ⓘ Cedar Rapids, Iowa ⓘ Clinton, Iowa ⓘ DeWitt, Iowa ⓘ Denison, Iowa ⓘ
linked to:
Denison, Iowa, United States
Lisbon, Iowa ⓘ Marshalltown, Iowa ⓘ
linked to:
Marshalltown
Missouri Valley, Iowa ⓘ Mount Vernon, Iowa ⓘ Tama, Iowa ⓘ |
| role | major east–west transportation corridor in Iowa ⓘ |
| routeNumber | 30 ⓘ |
| serves |
freight transportation across Iowa
ⓘ
intercity travel across central Iowa ⓘ |
| state | Iowa ⓘ |
| westernTerminusNear | Missouri Valley, Iowa ⓘ |
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: Iowa Highway 30 Description of subject: Iowa Highway 30 is a major east–west state highway crossing Iowa, serving as a key transportation corridor connecting numerous cities and intersecting several important routes.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.