Alabama State Route 21
E36569
Alabama State Route 21 is a major north–south state highway in Alabama that runs from the Florida state line near Pensacola through several key cities, including Atmore and Montgomery, before terminating in the northeastern part of the state.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Alabama State Route 21 canonical | 9 |
How this entity was disambiguated
This entity first appeared as the object of triple T250107 — 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: Alabama State Route 21 Context triple: [Alabama–Florida state line near Pensacola, crossedBy, Alabama State Route 21]
-
A.
U.S. Route 29
U.S. Route 29 is a major north–south U.S. Highway running from Florida to Virginia, connecting numerous cities across the southeastern and mid-Atlantic United States.
-
B.
Kentucky Route 84
Kentucky Route 84 is a state highway in Kentucky that runs through central parts of the state, connecting communities such as Hodgenville and serving as a regional connector route.
-
C.
U.S. Route 75
U.S. Route 75 is a major north–south U.S. Highway running from Texas through the central United States, serving as a key transportation corridor for cities such as Dallas.
-
D.
U.S. Route 27 Alternate
U.S. Route 27 Alternate is an auxiliary U.S. highway that provides an alternate north–south route to U.S. Route 27 through parts of Georgia and neighboring states.
-
E.
Georgia State Route 26
Georgia State Route 26 is an east–west state highway in Georgia that runs across the state, including through cities like Savannah, serving as a significant regional transportation corridor.
- 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: Alabama State Route 21 Target entity description: Alabama State Route 21 is a major north–south state highway in Alabama that runs from the Florida state line near Pensacola through several key cities, including Atmore and Montgomery, before terminating in the northeastern part of the state.
-
A.
U.S. Route 29
U.S. Route 29 is a major north–south U.S. Highway running from Florida to Virginia, connecting numerous cities across the southeastern and mid-Atlantic United States.
-
B.
Kentucky Route 84
Kentucky Route 84 is a state highway in Kentucky that runs through central parts of the state, connecting communities such as Hodgenville and serving as a regional connector route.
-
C.
U.S. Route 75
U.S. Route 75 is a major north–south U.S. Highway running from Texas through the central United States, serving as a key transportation corridor for cities such as Dallas.
-
D.
U.S. Route 27 Alternate
U.S. Route 27 Alternate is an auxiliary U.S. highway that provides an alternate north–south route to U.S. Route 27 through parts of Georgia and neighboring states.
-
E.
Georgia State Route 26
Georgia State Route 26 is an east–west state highway in Georgia that runs across the state, including through cities like Savannah, serving as a significant regional transportation corridor.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
road transportation infrastructure
ⓘ
state highway ⓘ |
| abbreviation |
AL 21
ⓘ
SR 21 ⓘ |
| connectsWith |
Florida State Highway System
ⓘ
surface form:
Florida state highway network
|
| country |
United States of America
ⓘ
surface form:
United States
|
| direction | north–south ⓘ |
| function | connects Florida state line to northeastern Alabama ⓘ |
| hasJunctionWith |
U.S. highways in Alabama
ⓘ
other Alabama state routes ⓘ |
| highwayType | state route ⓘ |
| locatedIn |
Escambia County, Alabama
ⓘ
Montgomery County, Alabama ⓘ multiple counties in Alabama ⓘ |
| maintainedBy | Alabama Department of Transportation ⓘ |
| northernTerminusLocation | northeastern Alabama ⓘ |
| partOf | Alabama state highway system ⓘ |
| passesNear | Pensacola, Florida ⓘ |
| passesThrough |
Atmore, Alabama
ⓘ
Montgomery, Alabama ⓘ |
| regionServed |
central Alabama
ⓘ
northeastern Alabama ⓘ South Alabama ⓘ
surface form:
southern Alabama
|
| runsThrough | Alabama ⓘ |
| servesAs | major north–south corridor in Alabama ⓘ |
| southernTerminusLocation |
Alabama–Florida state line near Pensacola
ⓘ
surface form:
Florida state line near Pensacola
|
| state | Alabama ⓘ |
| usedFor |
automobile traffic
ⓘ
truck 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: Alabama State Route 21 Description of subject: Alabama State Route 21 is a major north–south state highway in Alabama that runs from the Florida state line near Pensacola through several key cities, including Atmore and Montgomery, before terminating in the northeastern part of the state.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Calhoun County, Alabama