MBTA Commuter Rail fare zones
E193934
MBTA Commuter Rail fare zones are a distance-based pricing system that divides stations into concentric zones around Boston to determine commuter rail ticket and pass costs.
All labels observed (4)
| Label | Occurrences |
|---|---|
| MBTA Commuter Rail fare zones canonical | 3 |
| MBTA Commuter Rail zone system | 2 |
| MBTA commuter rail zones | 1 |
| MBTA fare zones | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1721021 — 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: MBTA Commuter Rail fare zones Context triple: [Braintree station, zoneSystem, MBTA Commuter Rail fare zones]
-
A.
MBTA Commuter Rail Zone 1A
MBTA Commuter Rail Zone 1A is the innermost fare zone of the Boston-area commuter rail system, covering central city stations with the lowest commuter rail fares.
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B.
MBTA AFC 2.0
MBTA AFC 2.0 is the Massachusetts Bay Transportation Authority’s next-generation automated fare collection system designed to modernize how riders pay for and access public transit across Greater Boston.
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C.
MBTA customer service locations
MBTA customer service locations are official transit agency offices and kiosks where riders can get assistance, manage fare products, and resolve issues related to Boston’s public transportation system.
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D.
MBTA Commuter Rail network
The MBTA Commuter Rail network is a regional passenger rail system serving Greater Boston and surrounding communities in Massachusetts and parts of Rhode Island.
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E.
MBTA fare gates
MBTA fare gates are automated entry barriers used in Boston’s public transit system that validate tickets and passes before allowing passengers to access trains and stations.
- 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: MBTA Commuter Rail fare zones Target entity description: MBTA Commuter Rail fare zones are a distance-based pricing system that divides stations into concentric zones around Boston to determine commuter rail ticket and pass costs.
-
A.
MBTA Commuter Rail Zone 1A
MBTA Commuter Rail Zone 1A is the innermost fare zone of the Boston-area commuter rail system, covering central city stations with the lowest commuter rail fares.
-
B.
MBTA AFC 2.0
MBTA AFC 2.0 is the Massachusetts Bay Transportation Authority’s next-generation automated fare collection system designed to modernize how riders pay for and access public transit across Greater Boston.
-
C.
MBTA customer service locations
MBTA customer service locations are official transit agency offices and kiosks where riders can get assistance, manage fare products, and resolve issues related to Boston’s public transportation system.
-
D.
MBTA Commuter Rail network
The MBTA Commuter Rail network is a regional passenger rail system serving Greater Boston and surrounding communities in Massachusetts and parts of Rhode Island.
-
E.
MBTA fare gates
MBTA fare gates are automated entry barriers used in Boston’s public transit system that validate tickets and passes before allowing passengers to access trains and stations.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
distance-based fare structure
ⓘ
public transit fare system ⓘ |
| appliesTo |
MBTA Commuter Rail passes
ⓘ
MBTA Commuter Rail stations ⓘ MBTA Commuter Rail tickets ⓘ |
| basedIn |
Greater Boston
ⓘ
Massachusetts ⓘ |
| centralReferencePoint |
Boston terminal stations
ⓘ
Downtown Boston ⓘ
surface form:
downtown Boston
|
| country |
United States of America
ⓘ
surface form:
United States
|
| determines |
price of commuter rail passes
ⓘ
price of commuter rail tickets ⓘ |
| fareBasis |
distance from Boston
ⓘ
origin–destination zone pair ⓘ |
| fareMedia |
CharlieCard-compatible pass for Zone 1A
ⓘ
MTA eTix ⓘ
surface form:
mTicket mobile app
paper ticket ⓘ |
| fareType |
10-ride pass
ⓘ
monthly pass ⓘ single-ride ticket ⓘ weekend pass ⓘ |
| hasSpecialZone | Zone 1A ⓘ |
| includesZone |
Interzone
ⓘ
Zone 1 ⓘ Zone 10 ⓘ Zone 1A ⓘ Zone 2 ⓘ Zone 3 ⓘ Zone 4 ⓘ Zone 5 ⓘ Zone 6 ⓘ Zone 7 ⓘ Zone 8 ⓘ Zone 9 ⓘ |
| operator |
MBTA
ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| policyGoal |
align fares with travel distance
ⓘ
simplify fare calculation across lines ⓘ |
| supportsProduct |
Commuter Rail interzone ticket
ⓘ
Commuter Rail monthly pass by zone ⓘ Commuter Rail weekend pass valid systemwide ⓘ |
| usedBy |
MBTA Commuter Rail network
ⓘ
surface form:
MBTA Commuter Rail
|
| usedFor |
employer-sponsored commuter benefits by zone
ⓘ
revenue calculation for commuter rail service ⓘ |
| Zone1AIncludes |
inner core commuter rail stations
ⓘ
stations treated like rapid transit for fares ⓘ |
| zoneAssignmentCriterion |
distance from Boston terminals
ⓘ
line-specific station location ⓘ |
| zoneStructure | concentric rings around Boston ⓘ |
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: MBTA Commuter Rail fare zones Description of subject: MBTA Commuter Rail fare zones are a distance-based pricing system that divides stations into concentric zones around Boston to determine commuter rail ticket and pass costs.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
MBTA fare zones
this entity surface form:
MBTA Commuter Rail zone system
this entity surface form:
MBTA Commuter Rail zone system
this entity surface form:
MBTA commuter rail zones