Scarborough Subway Extension of Line 2 Bloor–Danforth
E856542
The Scarborough Subway Extension of Line 2 Bloor–Danforth is a planned Toronto subway project that will replace the aging Scarborough RT with a longer, fully grade-separated rapid transit line extending Line 2 further into Scarborough.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Scarborough Subway Extension | 1 |
| Scarborough Subway Extension of Line 2 Bloor–Danforth canonical | 1 |
| Toronto subway Line 2 (extension under construction) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10302655 — 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: Scarborough Subway Extension of Line 2 Bloor–Danforth Context triple: [Line 3 Scarborough, plannedSuccessor, Scarborough Subway Extension of Line 2 Bloor–Danforth]
-
A.
Toronto Transit Commission Line 1 extension
The Toronto Transit Commission Line 1 extension is a subway line expansion that extends Toronto’s primary north–south rapid transit route into York Region, improving regional connectivity and access to the city’s transit network.
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B.
Montreal Metro Blue Line extension
The Montreal Metro Blue Line extension is a planned expansion of the city’s rapid transit network that will extend the Blue Line eastward to serve additional neighborhoods, including Saint-Léonard.
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C.
Richmond Hill line
The Richmond Hill line is a GO Transit commuter rail corridor in the Greater Toronto Area that runs between Toronto’s Union Station and communities to the north along the Don Valley and Richmond Hill.
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D.
Lakeshore West line
The Lakeshore West line is a major GO Transit commuter rail corridor in the Greater Toronto and Hamilton Area, running along the north shore of Lake Ontario and connecting Toronto with its western suburbs and cities.
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E.
Canada Line
The Canada Line is a rapid transit rail line in Metro Vancouver, British Columbia, connecting downtown Vancouver with the Vancouver International Airport and the suburb of Richmond.
- 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: Scarborough Subway Extension of Line 2 Bloor–Danforth Target entity description: The Scarborough Subway Extension of Line 2 Bloor–Danforth is a planned Toronto subway project that will replace the aging Scarborough RT with a longer, fully grade-separated rapid transit line extending Line 2 further into Scarborough.
-
A.
Toronto Transit Commission Line 1 extension
The Toronto Transit Commission Line 1 extension is a subway line expansion that extends Toronto’s primary north–south rapid transit route into York Region, improving regional connectivity and access to the city’s transit network.
-
B.
Montreal Metro Blue Line extension
The Montreal Metro Blue Line extension is a planned expansion of the city’s rapid transit network that will extend the Blue Line eastward to serve additional neighborhoods, including Saint-Léonard.
-
C.
Richmond Hill line
The Richmond Hill line is a GO Transit commuter rail corridor in the Greater Toronto Area that runs between Toronto’s Union Station and communities to the north along the Don Valley and Richmond Hill.
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D.
Lakeshore West line
The Lakeshore West line is a major GO Transit commuter rail corridor in the Greater Toronto and Hamilton Area, running along the north shore of Lake Ontario and connecting Toronto with its western suburbs and cities.
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E.
Canada Line
The Canada Line is a rapid transit rail line in Metro Vancouver, British Columbia, connecting downtown Vancouver with the Vancouver International Airport and the suburb of Richmond.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
rapid transit project
ⓘ
subway line extension project ⓘ |
| alignmentType | underground ⓘ |
| cityCouncilApproval | approved by Toronto City Council ⓘ |
| connectsToExistingInfrastructure |
Kennedy station bus terminal
NERFINISHED
ⓘ
Line 2 Bloor–Danforth existing tunnel at Kennedy NERFINISHED ⓘ |
| connectsWith |
GO Transit at Scarborough Centre (planned)
NERFINISHED
ⓘ
TTC bus network NERFINISHED ⓘ |
| constructionStart | 2021 ⓘ |
| country | Canada ⓘ |
| easternTerminus | Sheppard Avenue and McCowan Road area NERFINISHED ⓘ |
| environmentalAssessmentStatus | completed ⓘ |
| fareSystem | TTC fare system ⓘ |
| fundingPartners |
City of Toronto
NERFINISHED
ⓘ
Government of Canada NERFINISHED ⓘ Province of Ontario NERFINISHED ⓘ |
| governedBy | Metrolinx (project delivery) NERFINISHED ⓘ |
| gradeSeparation | fully grade-separated ⓘ |
| includesStation |
Lawrence East station (new Line 2 station, not RT)
NERFINISHED
ⓘ
Scarborough Centre station (new Line 2 station, not RT) NERFINISHED ⓘ Sheppard East station NERFINISHED ⓘ |
| lineColor | green (Line 2 color) ⓘ |
| lineNumber | 2 ⓘ |
| locatedIn |
Scarborough
NERFINISHED
ⓘ
Toronto ⓘ |
| newTransitMode | heavy rail subway ⓘ |
| numberOfStations | 3 ⓘ |
| numberOfTracks | 2 ⓘ |
| operator | Toronto Transit Commission ⓘ |
| owner | City of Toronto NERFINISHED ⓘ |
| partOf | Line 2 Bloor–Danforth NERFINISHED ⓘ |
| plannedOpening | late 2020s ⓘ |
| planningStatus | under construction ⓘ |
| provinceAgency | Metrolinx NERFINISHED ⓘ |
| purpose |
extend Line 2 further into Scarborough
ⓘ
provide higher-capacity rapid transit ⓘ replace aging Scarborough RT ⓘ |
| regionServed |
Scarborough Centre area
NERFINISHED
ⓘ
eastern Toronto ⓘ |
| replaces |
Line 3 Scarborough
NERFINISHED
ⓘ
Scarborough RT NERFINISHED ⓘ |
| replacesTransitMode | light metro ⓘ |
| system | Toronto subway NERFINISHED ⓘ |
| technology | same rolling stock as Line 2 ⓘ |
| transitMode | heavy rail subway ⓘ |
| westernTerminus | Kennedy station NERFINISHED ⓘ |
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: Scarborough Subway Extension of Line 2 Bloor–Danforth Description of subject: The Scarborough Subway Extension of Line 2 Bloor–Danforth is a planned Toronto subway project that will replace the aging Scarborough RT with a longer, fully grade-separated rapid transit line extending Line 2 further into Scarborough.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Line 3 Scarborough
Scarborough Rapid Transit
→
plannedReplacement
→
Scarborough Subway Extension of Line 2 Bloor–Danforth
ⓘ
this entity surface form:
Scarborough Subway Extension
Scarborough, Ontario, Canada
→
hasTransportation
→
Scarborough Subway Extension of Line 2 Bloor–Danforth
ⓘ
subject surface form:
Scarborough, Ontario
this entity surface form:
Toronto subway Line 2 (extension under construction)