Louis-Hippolyte Lafontaine Bridge–Tunnel
E679568
The Louis-Hippolyte Lafontaine Bridge–Tunnel is a major highway crossing that combines a bridge and an underwater tunnel to link the south shore suburbs with the Island of Montreal across the Saint Lawrence River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Louis-Hippolyte Lafontaine Bridge–Tunnel canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T7624724 — 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: Louis-Hippolyte Lafontaine Bridge–Tunnel Context triple: [Longueuil, bridgeConnection, Louis-Hippolyte Lafontaine Bridge–Tunnel]
-
A.
Macdonald-Cartier Bridge
The Macdonald-Cartier Bridge is a major road bridge spanning the Ottawa River, linking the cities of Ottawa, Ontario and Gatineau, Quebec in Canada.
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B.
Honoré-Mercier Bridge
The Honoré-Mercier Bridge is a major road bridge in the Montreal area that spans the Saint Lawrence River, connecting the Island of Montreal to the South Shore near the Kahnawà:ke Mohawk Territory.
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C.
Jacques Cartier Bridge
The Jacques Cartier Bridge is a major steel truss cantilever bridge in Montreal, Canada, spanning the Saint Lawrence River and serving as an iconic city landmark.
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D.
Île d’Orléans Bridge
The Île d’Orléans Bridge is a road bridge in Quebec, Canada, that connects Île d’Orléans to the mainland near Quebec City across the Saint Lawrence River.
-
E.
Confederation Bridge
Confederation Bridge is a long-span bridge in eastern Canada that carries the Trans-Canada Highway across the Northumberland Strait, linking Prince Edward Island to the mainland province of New Brunswick.
- 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: Louis-Hippolyte Lafontaine Bridge–Tunnel Target entity description: The Louis-Hippolyte Lafontaine Bridge–Tunnel is a major highway crossing that combines a bridge and an underwater tunnel to link the south shore suburbs with the Island of Montreal across the Saint Lawrence River.
-
A.
Macdonald-Cartier Bridge
The Macdonald-Cartier Bridge is a major road bridge spanning the Ottawa River, linking the cities of Ottawa, Ontario and Gatineau, Quebec in Canada.
-
B.
Honoré-Mercier Bridge
The Honoré-Mercier Bridge is a major road bridge in the Montreal area that spans the Saint Lawrence River, connecting the Island of Montreal to the South Shore near the Kahnawà:ke Mohawk Territory.
-
C.
Jacques Cartier Bridge
The Jacques Cartier Bridge is a major steel truss cantilever bridge in Montreal, Canada, spanning the Saint Lawrence River and serving as an iconic city landmark.
-
D.
Île d’Orléans Bridge
The Île d’Orléans Bridge is a road bridge in Quebec, Canada, that connects Île d’Orléans to the mainland near Quebec City across the Saint Lawrence River.
-
E.
Confederation Bridge
Confederation Bridge is a long-span bridge in eastern Canada that carries the Trans-Canada Highway across the Northumberland Strait, linking Prince Edward Island to the mainland province of New Brunswick.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
bridge–tunnel
ⓘ
highway crossing ⓘ transport infrastructure ⓘ |
| connects |
Island of Montreal
NERFINISHED
ⓘ
south shore suburbs of Montreal ⓘ |
| country | Canada ⓘ |
| crosses | Saint Lawrence River NERFINISHED ⓘ |
| function | link south shore suburbs with Island of Montreal ⓘ |
| hasAccessRestriction |
no bicycle access
ⓘ
no pedestrian access ⓘ |
| hasAlternativeName | L.-H.-La Fontaine Bridge–Tunnel NERFINISHED ⓘ |
| hasAlternativeSpelling | Louis-Hippolyte-La Fontaine Bridge–Tunnel NERFINISHED ⓘ |
| hasComponent |
bridge
ⓘ
underwater tunnel ⓘ |
| hasLanes | multiple traffic lanes in each direction ⓘ |
| hasOfficialNameLanguage | French ⓘ |
| hasStructureType |
immersed tube tunnel
ⓘ
steel bridge ⓘ |
| hasToll | no toll for regular vehicles (as of early 2020s) ⓘ |
| importance | one of the main road links between Montreal and south shore ⓘ |
| isKeyLinkBetween |
Montreal
NERFINISHED
ⓘ
Montérégie region NERFINISHED ⓘ |
| isMajorCrossingOf | Saint Lawrence River near Montreal NERFINISHED ⓘ |
| isPartOfNetwork |
Greater Montreal road network
NERFINISHED
ⓘ
Quebec Autoroute system NERFINISHED ⓘ |
| languageOfName | French ⓘ |
| locatedIn |
Montreal
ⓘ
Montreal metropolitan area NERFINISHED ⓘ Quebec NERFINISHED ⓘ Saint-Lambert region NERFINISHED ⓘ |
| maintainedBy | Quebec Ministry of Transport NERFINISHED ⓘ |
| namedAfter | Louis-Hippolyte Lafontaine NERFINISHED ⓘ |
| partOf | Autoroute 25 NERFINISHED ⓘ |
| riverBank |
north bank of Saint Lawrence River
ⓘ
south bank of Saint Lawrence River ⓘ |
| roadType | autoroute ⓘ |
| serves |
commuter traffic
ⓘ
freight traffic ⓘ road traffic ⓘ |
| trafficType | motor vehicles only ⓘ |
| usedFor |
intercity transportation
ⓘ
regional transportation ⓘ |
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: Louis-Hippolyte Lafontaine Bridge–Tunnel Description of subject: The Louis-Hippolyte Lafontaine Bridge–Tunnel is a major highway crossing that combines a bridge and an underwater tunnel to link the south shore suburbs with the Island of Montreal across the Saint Lawrence River.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Longueuil