Michigan State Highway M-21
E498202
Michigan State Highway M-21 is an east–west state trunkline in Michigan that connects several communities across the western and central parts of the state.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Michigan State Highway M-21 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5131141 — 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: Michigan State Highway M-21 Context triple: [Salem Township, Allegan County, Michigan, hasTransportationRoute, Michigan State Highway M-21]
-
A.
Michigan State Highway 196
Michigan State Highway 196 is a state trunkline route in western Michigan that serves as a key connector between the city of Holland and other regional destinations.
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B.
Michigan State Highway 106
Michigan State Highway 106 is a state trunkline route in Michigan that primarily serves the Jackson County area, connecting local communities and providing regional access.
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C.
Michigan State Highway 35
Michigan State Highway 35 is a former state trunkline route in Michigan’s Upper Peninsula that once ran along the western shore of Green Bay, connecting communities such as Menominee and Escanaba.
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D.
Michigan State Highway 40
Michigan State Highway 40 is a state trunkline route in Michigan that serves as a regional connector in the western part of the state, linking communities and facilitating access to larger highways and local destinations.
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E.
Michigan Highway M-104
Michigan Highway M-104 is a state trunkline highway in western Michigan that connects the Grand Haven area to nearby inland communities and major routes.
- 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: Michigan State Highway M-21 Target entity description: Michigan State Highway M-21 is an east–west state trunkline in Michigan that connects several communities across the western and central parts of the state.
-
A.
Michigan State Highway 196
Michigan State Highway 196 is a state trunkline route in western Michigan that serves as a key connector between the city of Holland and other regional destinations.
-
B.
Michigan State Highway 106
Michigan State Highway 106 is a state trunkline route in Michigan that primarily serves the Jackson County area, connecting local communities and providing regional access.
-
C.
Michigan State Highway 35
Michigan State Highway 35 is a former state trunkline route in Michigan’s Upper Peninsula that once ran along the western shore of Green Bay, connecting communities such as Menominee and Escanaba.
-
D.
Michigan State Highway 40
Michigan State Highway 40 is a state trunkline route in Michigan that serves as a regional connector in the western part of the state, linking communities and facilitating access to larger highways and local destinations.
-
E.
Michigan Highway M-104
Michigan Highway M-104 is a state trunkline highway in western Michigan that connects the Grand Haven area to nearby inland communities and major routes.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | state highway ⓘ |
| connects |
central Michigan
NERFINISHED
ⓘ
western Michigan NERFINISHED ⓘ |
| connectsWith |
Interstate 69
NERFINISHED
ⓘ
Interstate 75 NERFINISHED ⓘ Interstate 96 NERFINISHED ⓘ M-37 (Michigan highway) NERFINISHED ⓘ M-66 (Michigan highway) NERFINISHED ⓘ U.S. Route 127 NERFINISHED ⓘ U.S. Route 131 NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses |
Flint River (Michigan)
NERFINISHED
ⓘ
Grand River (Michigan) NERFINISHED ⓘ Maple River (Michigan) NERFINISHED ⓘ Shiawassee River NERFINISHED ⓘ |
| direction | east–west ⓘ |
| easternTerminus | Flint, Michigan NERFINISHED ⓘ |
| governingJurisdiction | State of Michigan NERFINISHED ⓘ |
| hasRouteNumberSign | M-21 shield ⓘ |
| highwayNumber | 21 ⓘ |
| highwayType | M ⓘ |
| locatedIn | Michigan NERFINISHED ⓘ |
| maintainedBy | Michigan Department of Transportation NERFINISHED ⓘ |
| partOf | Michigan State Trunkline Highway System NERFINISHED ⓘ |
| passesThrough |
Ada, Michigan
NERFINISHED
ⓘ
Clinton County, Michigan NERFINISHED ⓘ Corunna, Michigan NERFINISHED ⓘ Durand, Michigan NERFINISHED ⓘ Genesee County, Michigan NERFINISHED ⓘ Ionia County, Michigan NERFINISHED ⓘ Ionia, Michigan NERFINISHED ⓘ Kent County, Michigan NERFINISHED ⓘ Lennon, Michigan NERFINISHED ⓘ Lowell, Michigan NERFINISHED ⓘ Ovid, Michigan NERFINISHED ⓘ Owosso, Michigan NERFINISHED ⓘ Pewamo, Michigan NERFINISHED ⓘ Saranac, Michigan NERFINISHED ⓘ Shiawassee County, Michigan NERFINISHED ⓘ Swartz Creek, Michigan NERFINISHED ⓘ |
| regionServed |
central Michigan
NERFINISHED
ⓘ
western Michigan NERFINISHED ⓘ |
| usedFor |
local access
ⓘ
regional travel ⓘ |
| westernTerminus | Grand Rapids, Michigan NERFINISHED ⓘ |
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: Michigan State Highway M-21 Description of subject: Michigan State Highway M-21 is an east–west state trunkline in Michigan that connects several communities across the western and central parts of the state.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Salem Township, Allegan County, Michigan