Pennsylvania Route 18
E597940
Pennsylvania Route 18 is a major north–south state highway in western Pennsylvania that connects communities such as New Castle with other regional destinations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pennsylvania Route 18 canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T5941399 — 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: Pennsylvania Route 18 Context triple: [New Castle, Pennsylvania, transportServedBy, Pennsylvania Route 18]
-
A.
Pennsylvania Route 19
Pennsylvania Route 19 is a significant north–south state highway in western Pennsylvania that connects the Pittsburgh area with communities to the north and south.
-
B.
Pennsylvania Route 12
Pennsylvania Route 12 is a state highway in eastern Pennsylvania that serves as a key east–west arterial route through the city of Reading and its surrounding areas.
-
C.
Pennsylvania Route 8
Pennsylvania Route 8 is a major north–south state highway in western Pennsylvania that connects the city of Pittsburgh with numerous suburban communities and towns to the north.
-
D.
Pennsylvania Route 3
Pennsylvania Route 3 is a major state highway in southeastern Pennsylvania that connects the city of Philadelphia with its western suburbs, including areas of Delaware County.
-
E.
Pennsylvania Route 31
Pennsylvania Route 31 is a state highway in southwestern Pennsylvania that runs east–west through several communities, including Mount Pleasant, providing a regional connector between rural areas 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: Pennsylvania Route 18 Target entity description: Pennsylvania Route 18 is a major north–south state highway in western Pennsylvania that connects communities such as New Castle with other regional destinations.
-
A.
Pennsylvania Route 19
Pennsylvania Route 19 is a significant north–south state highway in western Pennsylvania that connects the Pittsburgh area with communities to the north and south.
-
B.
Pennsylvania Route 12
Pennsylvania Route 12 is a state highway in eastern Pennsylvania that serves as a key east–west arterial route through the city of Reading and its surrounding areas.
-
C.
Pennsylvania Route 8
Pennsylvania Route 8 is a major north–south state highway in western Pennsylvania that connects the city of Pittsburgh with numerous suburban communities and towns to the north.
-
D.
Pennsylvania Route 3
Pennsylvania Route 3 is a major state highway in southeastern Pennsylvania that connects the city of Philadelphia with its western suburbs, including areas of Delaware County.
-
E.
Pennsylvania Route 31
Pennsylvania Route 31 is a state highway in southwestern Pennsylvania that runs east–west through several communities, including Mount Pleasant, providing a regional connector between rural areas and major routes.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf | state highway ⓘ |
| connectsCommunity |
Beaver Falls, Pennsylvania
NERFINISHED
ⓘ
Conneaut Lake, Pennsylvania NERFINISHED ⓘ Edinboro, Pennsylvania NERFINISHED ⓘ Girard, Pennsylvania NERFINISHED ⓘ Greenville, Pennsylvania NERFINISHED ⓘ Hermitage, Pennsylvania NERFINISHED ⓘ New Castle, Pennsylvania NERFINISHED ⓘ |
| connectsTo | West Virginia state highway network NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| direction | north–south ⓘ |
| function |
local access route
ⓘ
regional connector route ⓘ |
| hasJunctionWith |
Interstate 79
NERFINISHED
ⓘ
Interstate 80 NERFINISHED ⓘ Pennsylvania Route 285 NERFINISHED ⓘ Pennsylvania Route 358 NERFINISHED ⓘ Pennsylvania Route 51 NERFINISHED ⓘ Pennsylvania Route 58 NERFINISHED ⓘ Pennsylvania Route 68 NERFINISHED ⓘ U.S. Route 20 NERFINISHED ⓘ U.S. Route 422 NERFINISHED ⓘ U.S. Route 6 NERFINISHED ⓘ U.S. Route 62 NERFINISHED ⓘ |
| highwaySystem | Pennsylvania state route system NERFINISHED ⓘ |
| locatedIn | Pennsylvania ⓘ |
| locatedInRegion | Western Pennsylvania NERFINISHED ⓘ |
| maintainedBy | Pennsylvania Department of Transportation NERFINISHED ⓘ |
| partOf | transportation network of western Pennsylvania ⓘ |
| passesThrough |
Beaver County, Pennsylvania
NERFINISHED
ⓘ
Crawford County, Pennsylvania NERFINISHED ⓘ Erie County, Pennsylvania NERFINISHED ⓘ Lawrence County, Pennsylvania NERFINISHED ⓘ Mercer County, Pennsylvania NERFINISHED ⓘ |
| regionServed |
communities along the Beaver River valley
ⓘ
communities in the Shenango Valley ⓘ |
| roadType | two-lane highway (in many segments) ⓘ |
| routeNumber | 18 ⓘ |
| state | Pennsylvania ⓘ |
| terminusNorth | near Lake Erie in Erie County, Pennsylvania ⓘ |
| terminusSouth | at the West Virginia state line ⓘ |
| usedFor |
commuter traffic
ⓘ
regional freight movement ⓘ |
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: Pennsylvania Route 18 Description of subject: Pennsylvania Route 18 is a major north–south state highway in western Pennsylvania that connects communities such as New Castle with other regional destinations.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Rochester, Pennsylvania