US 1A
E310776
US 1A is a series of alternate U.S. Highway 1 routes in Maine that serve as business loops and local connectors through coastal towns and cities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| US 1A canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2905816 — 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: US 1A Context triple: [U.S. Route 1A (Maine), abbreviation, US 1A]
-
A.
US 31
US 31 is a major north–south United States highway running through several Midwestern and Southern states, serving as an important regional transportation corridor.
-
B.
Interstate H-1
Interstate H-1 is a major east–west freeway on the island of Oʻahu in Hawaii that connects key urban centers, including Honolulu and its surrounding communities.
-
C.
US 131
US 131 is a north–south U.S. Highway in western Michigan that runs from the Indiana state line through cities such as Kalamazoo and Grand Rapids up toward the northern Lower Peninsula.
-
D.
A15 coastal highway
The A15 coastal highway is a major road in eastern Sri Lanka that runs along the coast, connecting key towns and facilitating regional travel and trade.
-
E.
A2 coastal highway
The A2 coastal highway is a major Sri Lankan road running along the island’s southwest and southern coastline, connecting Colombo with key cities such as Galle and Matara.
- 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: US 1A Target entity description: US 1A is a series of alternate U.S. Highway 1 routes in Maine that serve as business loops and local connectors through coastal towns and cities.
-
A.
US 31
US 31 is a major north–south United States highway running through several Midwestern and Southern states, serving as an important regional transportation corridor.
-
B.
Interstate H-1
Interstate H-1 is a major east–west freeway on the island of Oʻahu in Hawaii that connects key urban centers, including Honolulu and its surrounding communities.
-
C.
US 131
US 131 is a north–south U.S. Highway in western Michigan that runs from the Indiana state line through cities such as Kalamazoo and Grand Rapids up toward the northern Lower Peninsula.
-
D.
A15 coastal highway
The A15 coastal highway is a major road in eastern Sri Lanka that runs along the coast, connecting key towns and facilitating regional travel and trade.
-
E.
A2 coastal highway
The A2 coastal highway is a major Sri Lankan road running along the island’s southwest and southern coastline, connecting Colombo with key cities such as Galle and Matara.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. Highway business route
ⓘ
U.S. Highway business route ⓘ U.S. Highway business route ⓘ U.S. Highway business route ⓘ U.S. Highway business route ⓘ alternate U.S. Highway ⓘ alternate U.S. Highway ⓘ alternate U.S. Highway ⓘ alternate U.S. Highway ⓘ alternate U.S. Highway ⓘ |
| connectsTo | Interstate 395 (Maine) ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crosses |
Penobscot River
ⓘ
Union River NERFINISHED ⓘ |
| follows | U.S. Route 1 ⓘ |
| function |
business loop
ⓘ
bypass alternative to US 1 ⓘ downtown connector ⓘ local connector ⓘ |
| hasSegment |
US 1A Bangor–Brewer
ⓘ
linked to:
Maine State Route 1A
US 1A Ellsworth–Hancock ⓘ
linked to:
Maine State Route 1A
US 1A Machias area ⓘ
linked to:
Machias, Maine
US 1A Portland–South Portland ⓘ
linked to:
Maine State Route 1A
|
| locatedIn |
Cumberland County, Maine
ⓘ
Hancock County, Maine ⓘ Penobscot County, Maine ⓘ Washington County, Maine ⓘ coastal Maine ⓘ |
| maintainedBy | Maine Department of Transportation ⓘ |
| parallelTo |
U.S. Route 1 in Maine
ⓘ
linked to:
US Route 1 (Maine)
|
| partOf | United States Numbered Highway System ⓘ |
| passesThrough |
Bangor, Maine
NERFINISHED
ⓘ
Brewer, Maine ⓘ Ellsworth, Maine NERFINISHED ⓘ Hancock, Maine NERFINISHED ⓘ Machias, Maine NERFINISHED ⓘ Portland, Maine ⓘ South Portland, Maine ⓘ |
| roadType | paved highway ⓘ |
| serves |
Bangor, Maine
NERFINISHED
ⓘ
Brewer, Maine ⓘ Ellsworth, Maine NERFINISHED ⓘ Hancock, Maine NERFINISHED ⓘ Machias, Maine NERFINISHED ⓘ Portland, Maine ⓘ South Portland, Maine ⓘ |
| state | Maine ⓘ |
| terminusFrom | US 1 in South Portland ⓘ |
| terminusTo | US 1 in Portland ⓘ |
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: US 1A Description of subject: US 1A is a series of alternate U.S. Highway 1 routes in Maine that serve as business loops and local connectors through coastal towns and cities.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
U.S. Route 1A