State Road 21 (Florida)
E188449
State Road 21 (Florida) is a major north–south state highway in northeastern Florida that serves the Jacksonville area and communities around the southwestern side of the St. Johns River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| State Road 21 (Florida) canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1566171 — 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: State Road 21 (Florida) Context triple: [U.S. Route 301 in Florida, overlapsWith, State Road 21 (Florida)]
-
A.
State Road 24 (Florida)
State Road 24 is a major east–west highway in northern Florida that runs from the Gulf Coast through Gainesville toward the interior of the state.
-
B.
State Road 35 (Florida)
State Road 35 is a north–south Florida state highway running through central parts of the state, often concurrent with major U.S. routes such as U.S. 17 and U.S. 301.
-
C.
Florida State Road 12
Florida State Road 12 is a state highway in Florida’s Panhandle that serves as an important east–west route connecting Quincy with surrounding rural communities.
-
D.
Florida State Road 2
Florida State Road 2 is an east–west state highway in the Florida Panhandle that runs through rural counties near the Alabama border.
-
E.
State Road 43 (Florida)
State Road 43 (Florida) is a state highway in Florida that largely follows the route of U.S. Route 301 through parts of 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: State Road 21 (Florida) Target entity description: State Road 21 (Florida) is a major north–south state highway in northeastern Florida that serves the Jacksonville area and communities around the southwestern side of the St. Johns River.
-
A.
State Road 24 (Florida)
State Road 24 is a major east–west highway in northern Florida that runs from the Gulf Coast through Gainesville toward the interior of the state.
-
B.
State Road 35 (Florida)
State Road 35 is a north–south Florida state highway running through central parts of the state, often concurrent with major U.S. routes such as U.S. 17 and U.S. 301.
-
C.
Florida State Road 12
Florida State Road 12 is a state highway in Florida’s Panhandle that serves as an important east–west route connecting Quincy with surrounding rural communities.
-
D.
Florida State Road 2
Florida State Road 2 is an east–west state highway in the Florida Panhandle that runs through rural counties near the Alabama border.
-
E.
State Road 43 (Florida)
State Road 43 (Florida) is a state highway in Florida that largely follows the route of U.S. Route 301 through parts of the state.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
road transportation infrastructure
ⓘ
state highway ⓘ |
| abbreviation | SR 21 ⓘ |
| connectsTo | local roads in the Jacksonville metropolitan area ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| direction | north–south ⓘ |
| followsShoreOf | St. Johns River ⓘ |
| hasAccessControl | partial ⓘ |
| hasJurisdiction |
Florida
ⓘ
surface form:
State of Florida
|
| hasLanes | multiple lanes ⓘ |
| highwaySystem |
Florida State Highway System
ⓘ
surface form:
Florida State Road System
|
| isPublicRoad | true ⓘ |
| locatedIn |
Clay County, Florida
NERFINISHED
ⓘ
Duval County, Florida ⓘ northeast Florida region ⓘ |
| locatedInRegion | northeastern Florida ⓘ |
| maintainedBy | Florida Department of Transportation ⓘ |
| partOf |
Florida State Highway System
ⓘ
surface form:
Florida state highway network
|
| primaryUse | automobile traffic ⓘ |
| roadType | State Road ⓘ |
| routeNumber | 21 ⓘ |
| servesArea | communities on the southwestern side of the St. Johns River ⓘ |
| servesCity | Jacksonville, Florida ⓘ |
| servesFunction | major arterial route ⓘ |
| state | Florida ⓘ |
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: State Road 21 (Florida) Description of subject: State Road 21 (Florida) is a major north–south state highway in northeastern Florida that serves the Jacksonville area and communities around the southwestern side of the St. Johns River.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
State Road 20 (Florida)