MBTA Type 7 Light Rail Vehicle
E34910
The MBTA Type 7 Light Rail Vehicle is a high-floor, articulated streetcar used on Boston’s Green Line, known for its distinctive design and role as one of the system’s primary light rail fleets.
All labels observed (5)
| Label | Occurrences |
|---|---|
| MBTA Type 7 LRV | 9 |
| Type 7 Light Rail Vehicle | 4 |
| MBTA Type 7 LRVs | 3 |
| MBTA Type 7 Light Rail Vehicle canonical | 2 |
| MBTA Type 7 light rail vehicle | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T269516 — 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.
Target entity: MBTA Type 7 Light Rail Vehicle Context triple: [MBTA Green Line D branch, usesRollingStock, MBTA Type 7 Light Rail Vehicle]
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A.
Mark VI monorail trains
Mark VI monorail trains are a fleet of streamlined, automated monorail vehicles introduced in the late 1980s that serve as the primary passenger trains for the Walt Disney World Resort’s elevated transit system.
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B.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
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C.
MBTA Green Line
The MBTA Green Line is a light rail service in Boston, Massachusetts, known as one of the oldest subway lines in the United States and serving key neighborhoods, universities, and cultural destinations across the city.
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D.
MBTA Orange Line
The MBTA Orange Line is a rapid transit line in the Boston metropolitan area that runs roughly north–south, connecting neighborhoods such as Jamaica Plain, Downtown Boston, and Malden.
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E.
MBTA Blue Line
The MBTA Blue Line is a rapid transit line in the Boston metropolitan area that runs primarily along the city’s northeastern corridor, connecting downtown Boston with East Boston, Logan Airport, and Revere.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: MBTA Type 7 Light Rail Vehicle Target entity description: The MBTA Type 7 Light Rail Vehicle is a high-floor, articulated streetcar used on Boston’s Green Line, known for its distinctive design and role as one of the system’s primary light rail fleets.
-
A.
Mark VI monorail trains
Mark VI monorail trains are a fleet of streamlined, automated monorail vehicles introduced in the late 1980s that serve as the primary passenger trains for the Walt Disney World Resort’s elevated transit system.
-
B.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
C.
MBTA Green Line
The MBTA Green Line is a light rail service in Boston, Massachusetts, known as one of the oldest subway lines in the United States and serving key neighborhoods, universities, and cultural destinations across the city.
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D.
MBTA Orange Line
The MBTA Orange Line is a rapid transit line in the Boston metropolitan area that runs roughly north–south, connecting neighborhoods such as Jamaica Plain, Downtown Boston, and Malden.
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E.
MBTA Blue Line
The MBTA Blue Line is a rapid transit line in the Boston metropolitan area that runs primarily along the city’s northeastern corridor, connecting downtown Boston with East Boston, Logan Airport, and Revere.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
articulated railcar
ⓘ
light rail vehicle ⓘ streetcar ⓘ |
| category |
Boston public transport vehicles
ⓘ
MBTA rolling stock ⓘ light rail vehicles in the United States ⓘ |
| cityServed |
Boston, Massachusetts
ⓘ
surface form:
Boston
|
| country |
United States of America
ⓘ
surface form:
United States
|
| designFeature |
articulated body
ⓘ
pantograph current collection ⓘ single-ended configuration ⓘ |
| doorConfiguration | high-platform steps ⓘ |
| electrificationSystem | 600 V DC overhead (approximate) ⓘ |
| floorType | high-floor ⓘ |
| hasSuccessor |
MBTA Type 8 Light Rail Vehicle
ⓘ
MBTA Type 9 Light Rail Vehicle ⓘ |
| networkCompatibility |
MBTA Green Line tunnels
ⓘ
street-running sections of Green Line ⓘ |
| notableFor |
distinctive exterior design
ⓘ
long-term use on Boston Green Line ⓘ |
| operator |
MBTA
ⓘ
MBTA ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| partOfFleet | MBTA Green Line rolling stock ⓘ |
| powerSupply | overhead catenary ⓘ |
| region | Massachusetts ⓘ |
| serviceRole |
primary light rail fleet on Green Line
ⓘ
revenue passenger service ⓘ |
| trackGauge | standard gauge ⓘ |
| tractionType | electric ⓘ |
| transitSystem |
MBTA Green Line
ⓘ
surface form:
Boston MBTA light rail system
|
| usedFor |
street-running light rail
ⓘ
tunnel light rail operation ⓘ urban public transport ⓘ |
| usedOnLine |
MBTA Green Line
ⓘ
surface form:
Boston Green Line
MBTA Green Line ⓘ |
| vehicleType | rail-based public transit vehicle ⓘ |
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.
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.
Subject: MBTA Type 7 Light Rail Vehicle Description of subject: The MBTA Type 7 Light Rail Vehicle is a high-floor, articulated streetcar used on Boston’s Green Line, known for its distinctive design and role as one of the system’s primary light rail fleets.
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.