Highway 401
E77970
Highway 401 is a major multi-lane freeway in Ontario, Canada, forming a key segment of the Trans-Canada Highway and serving as one of the busiest highways in North America.
All labels observed (12)
How this entity was disambiguated
This entity first appeared as the object of triple T622586 — 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: Highway 401 Context triple: [Toronto Pearson International Airport, locatedNear, Highway 401]
-
A.
Highway 400
Highway 400 is a major controlled-access freeway in Ontario, Canada, forming a key north–south route connecting the Greater Toronto Area to central and northern parts of the province.
-
B.
Highway 427
Highway 427 is a major controlled-access highway in the Greater Toronto Area that serves as a key north–south transportation corridor connecting Toronto with surrounding communities.
-
C.
Interstate 90
Interstate 90 is the longest Interstate Highway in the United States, running east–west from Seattle, Washington, to Boston, Massachusetts.
-
D.
Highway 407 ETR
Highway 407 ETR is a privately operated, electronically tolled expressway running across the Greater Toronto Area in Ontario, Canada.
-
E.
Long Island Expressway
The Long Island Expressway is a major east–west highway in New York that serves as the primary transportation artery across Long Island, connecting it to New York City and numerous suburban communities.
- 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: Highway 401 Target entity description: Highway 401 is a major multi-lane freeway in Ontario, Canada, forming a key segment of the Trans-Canada Highway and serving as one of the busiest highways in North America.
-
A.
Highway 400
Highway 400 is a major controlled-access freeway in Ontario, Canada, forming a key north–south route connecting the Greater Toronto Area to central and northern parts of the province.
-
B.
Highway 427
Highway 427 is a major controlled-access highway in the Greater Toronto Area that serves as a key north–south transportation corridor connecting Toronto with surrounding communities.
-
C.
Interstate 90
Interstate 90 is the longest Interstate Highway in the United States, running east–west from Seattle, Washington, to Boston, Massachusetts.
-
D.
Highway 407 ETR
Highway 407 ETR is a privately operated, electronically tolled expressway running across the Greater Toronto Area in Ontario, Canada.
-
E.
Long Island Expressway
The Long Island Expressway is a major east–west highway in New York that serves as the primary transportation artery across Long Island, connecting it to New York City and numerous suburban communities.
- F. None of above. chosen
Statements (56)
| Predicate | Object |
|---|---|
| instanceOf |
controlled-access highway
ⓘ
freeway ⓘ provincial highway ⓘ transportation infrastructure ⓘ |
| alsoKnownAs |
401
ⓘ
Highway 401 ⓘ Macdonald–Cartier Freeway ⓘ |
| connectsTo |
Autoroute 20
ⓘ
Don Valley Parkway ⓘ Highway 115 NERFINISHED ⓘ Highway 35 NERFINISHED ⓘ Highway 402 NERFINISHED ⓘ Highway 403 ⓘ Highway 404 ⓘ Highway 410 NERFINISHED ⓘ Highway 416 ⓘ Highway 417 ⓘ Highway 427 ⓘ |
| country | Canada ⓘ |
| easternTerminus |
Quebec–Ontario border
ⓘ
surface form:
Ontario–Quebec border near Cornwall
|
| hasLaneConfiguration | multi-lane ⓘ |
| hasNotableFeature |
multiple interchanges with major highways and arterial roads
ⓘ
very high traffic volumes through Toronto ⓘ |
| hasRouteNumber | 401 ⓘ |
| hasSection | collector–express system in Toronto ⓘ |
| hasToll | no ⓘ |
| isAmong |
busiest highways in Canada
ⓘ
busiest highways in North America ⓘ |
| locatedIn | Ontario ⓘ |
| maintainedBy |
Ministry of Transportation (Ontario)
ⓘ
surface form:
Ministry of Transportation of Ontario
|
| namedAfter |
George-Étienne Cartier
ⓘ
surface form:
Sir George-Étienne Cartier
John A. Macdonald ⓘ
surface form:
Sir John A. Macdonald
|
| officialName |
Highway 401
self-linksurface differs
ⓘ
surface form:
King's Highway 401
|
| openedInPeriod | 1950s ⓘ |
| partOf |
Ontario provincial highway network
ⓘ
Trans-Canada Highway ⓘ |
| passesThrough |
Ajax
ⓘ
Cambridge ⓘ Cornwall ⓘ Kingston ⓘ Kitchener ⓘ London, England ⓘ
surface form:
London
Milton ⓘ Mississauga ⓘ Oshawa ⓘ Pickering ⓘ Toronto ⓘ Whitby ⓘ Windsor ⓘ |
| serves |
Greater Toronto Area
ⓘ
Southern Ontario ⓘ |
| speedLimit | 100 km/h in most rural sections ⓘ |
| usedFor |
commercial freight transport
ⓘ
commuter traffic ⓘ long-distance travel ⓘ |
| westernTerminus | Windsor ⓘ |
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: Highway 401 Description of subject: Highway 401 is a major multi-lane freeway in Ontario, Canada, forming a key segment of the Trans-Canada Highway and serving as one of the busiest highways in North America.
Referenced by (157)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Cambridge, Ontario
subject surface form:
Highway 1 (Trans-Canada Highway)
this entity surface form:
Highway 401 (Ontario)
subject surface form:
Ingersoll, Ontario