East Boston Tunnel line
E1423963
UNEXPLORED
The East Boston Tunnel line was the original name for what is now the MBTA Blue Line, a rapid transit route connecting downtown Boston with East Boston and Revere.
All labels observed (1)
| Label | Occurrences |
|---|---|
| East Boston Tunnel line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20301906 — 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: East Boston Tunnel line Context triple: [Blue Line (MBTA), originalName, East Boston Tunnel line]
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A.
Lowell Line
The Lowell Line is a Massachusetts Bay Transportation Authority commuter rail route that runs between Boston’s North Station and the city of Lowell, serving communities in the Merrimack Valley.
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B.
Mattapan Line
The Mattapan Line is a light rail trolley service in Boston, Massachusetts, operating as part of the MBTA's Red Line system between Ashmont and Mattapan.
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C.
South Boston Transitway
The South Boston Transitway is an underground bus rapid transit tunnel in Boston that carries MBTA Silver Line routes between South Station and the Seaport District.
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D.
MBTA Green Line main line
The MBTA Green Line main line is the core light rail trunk of Boston’s Green Line system, running through central Boston and connecting multiple branches that serve surrounding neighborhoods and suburbs.
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E.
Green Line West Branch
The Green Line West Branch is a segment of Chicago's 'L' rapid transit system that carries Green Line trains between Harlem/Lake and Ashland/63rd on the city's West Side.
- 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: East Boston Tunnel line Target entity description: The East Boston Tunnel line was the original name for what is now the MBTA Blue Line, a rapid transit route connecting downtown Boston with East Boston and Revere.
-
A.
Lowell Line
The Lowell Line is a Massachusetts Bay Transportation Authority commuter rail route that runs between Boston’s North Station and the city of Lowell, serving communities in the Merrimack Valley.
-
B.
Mattapan Line
The Mattapan Line is a light rail trolley service in Boston, Massachusetts, operating as part of the MBTA's Red Line system between Ashmont and Mattapan.
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C.
South Boston Transitway
The South Boston Transitway is an underground bus rapid transit tunnel in Boston that carries MBTA Silver Line routes between South Station and the Seaport District.
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D.
MBTA Green Line main line
The MBTA Green Line main line is the core light rail trunk of Boston’s Green Line system, running through central Boston and connecting multiple branches that serve surrounding neighborhoods and suburbs.
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E.
Green Line West Branch
The Green Line West Branch is a segment of Chicago's 'L' rapid transit system that carries Green Line trains between Harlem/Lake and Ashland/63rd on the city's West Side.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Blue Line is colored blue