Missouri Route 21
E788514
Missouri Route 21 is a state highway in Missouri that runs generally north–south through the eastern part of the state, connecting the St. Louis area with communities to the south.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Missouri Route 21 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9162882 — 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: Missouri Route 21 Context triple: [Missouri Route 141, crosses, Missouri Route 21]
-
A.
Missouri Route 2
Missouri Route 2 is a state highway in western Missouri that runs east–west, connecting rural communities and serving as a regional link to larger routes near the Kansas City metropolitan area.
-
B.
Missouri Route 19
Missouri Route 19 is a north–south state highway in Missouri that runs through several counties in the eastern part of the state, connecting small towns and rural areas.
-
C.
Missouri Route 24
Missouri Route 24 is a major east–west state highway in Missouri that connects numerous central and western communities, including Keytesville, and serves as an important regional transportation corridor.
-
D.
Missouri Route 18
Missouri Route 18 is a state highway in western Missouri that runs east–west through several rural counties, connecting small communities and linking to larger regional routes.
-
E.
Missouri Route 16
Missouri Route 16 is a state highway in northeastern Missouri that runs east–west through rural areas including Lewis County, connecting small communities and local roadways.
- 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: Missouri Route 21 Target entity description: Missouri Route 21 is a state highway in Missouri that runs generally north–south through the eastern part of the state, connecting the St. Louis area with communities to the south.
-
A.
Missouri Route 2
Missouri Route 2 is a state highway in western Missouri that runs east–west, connecting rural communities and serving as a regional link to larger routes near the Kansas City metropolitan area.
-
B.
Missouri Route 19
Missouri Route 19 is a north–south state highway in Missouri that runs through several counties in the eastern part of the state, connecting small towns and rural areas.
-
C.
Missouri Route 24
Missouri Route 24 is a major east–west state highway in Missouri that connects numerous central and western communities, including Keytesville, and serves as an important regional transportation corridor.
-
D.
Missouri Route 18
Missouri Route 18 is a state highway in western Missouri that runs east–west through several rural counties, connecting small communities and linking to larger regional routes.
-
E.
Missouri Route 16
Missouri Route 16 is a state highway in northeastern Missouri that runs east–west through rural areas including Lewis County, connecting small communities and local roadways.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | state highway ⓘ |
| accessControl | primarily at-grade intersections ⓘ |
| connectsRegion |
St. Louis metropolitan area
NERFINISHED
ⓘ
southern Missouri communities ⓘ |
| connectsTo | local roads in eastern Missouri ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| generalDirection | north–south ⓘ |
| hasJunctionWith |
Interstate 270 in Missouri
NERFINISHED
ⓘ
Interstate 55 in Missouri NERFINISHED ⓘ Missouri Route 30 NERFINISHED ⓘ Missouri Route 32 NERFINISHED ⓘ Missouri Route 72 NERFINISHED ⓘ U.S. Route 67 in Missouri NERFINISHED ⓘ |
| hasRouteNumber | 21 ⓘ |
| highwaySystem | Missouri State Highway System NERFINISHED ⓘ |
| isNumberedAfter | Missouri Route 20 NERFINISHED ⓘ |
| isNumberedBefore | Missouri Route 22 NERFINISHED ⓘ |
| locatedInTimeZone | Central Time Zone ⓘ |
| locationRegion | eastern Missouri ⓘ |
| maintainedBy | Missouri Department of Transportation NERFINISHED ⓘ |
| partOfNetwork | United States numbered state highways NERFINISHED ⓘ |
| passesThroughCounty |
Carter County, Missouri
NERFINISHED
ⓘ
Iron County, Missouri NERFINISHED ⓘ Jefferson County, Missouri NERFINISHED ⓘ Reynolds County, Missouri NERFINISHED ⓘ Ripley County, Missouri NERFINISHED ⓘ St. Louis County, Missouri NERFINISHED ⓘ Washington County, Missouri NERFINISHED ⓘ |
| roadType |
multi-lane divided highway (in some suburban segments)
ⓘ
two-lane highway (in many rural segments) ⓘ |
| routeDesignation | MO 21 NERFINISHED ⓘ |
| servesCity |
Arcadia, Missouri
NERFINISHED
ⓘ
Arnold, Missouri NERFINISHED ⓘ Doniphan, Missouri NERFINISHED ⓘ Ellington, Missouri NERFINISHED ⓘ Hillsboro, Missouri NERFINISHED ⓘ Potosi, Missouri NERFINISHED ⓘ St. Louis, Missouri NERFINISHED ⓘ |
| servesFunction | regional connector between St. Louis area and southern Missouri ⓘ |
| state | Missouri ⓘ |
| surfaceType | paved ⓘ |
| transportMode | motor vehicle traffic only ⓘ |
| traversesTerrain |
Ozark Plateau (in southern segments)
NERFINISHED
ⓘ
suburban St. Louis corridor (in northern segments) ⓘ |
| usedFor |
commercial truck traffic
ⓘ
passenger vehicle traffic ⓘ |
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: Missouri Route 21 Description of subject: Missouri Route 21 is a state highway in Missouri that runs generally north–south through the eastern part of the state, connecting the St. Louis area with communities to the south.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.