Maryland Transit Administration
E20363
The Maryland Transit Administration is the state agency responsible for operating and overseeing public transportation services in Maryland, including bus, rail, and commuter transit systems.
All labels observed (17)
How this entity was disambiguated
This entity first appeared as the object of triple T159606 — 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: Maryland Transit Administration Context triple: [Baltimore Light RailLink, operator, Maryland Transit Administration]
-
A.
Washington Metropolitan Area Transit Authority
The Washington Metropolitan Area Transit Authority is the agency that manages public transportation services, including Metrorail and Metrobus, in the Washington, D.C. metropolitan region.
-
B.
Maryland Department of Transportation
The Maryland Department of Transportation is the statewide agency responsible for planning, building, operating, and maintaining Maryland’s transportation systems, including highways, transit, ports, aviation, and rail services.
-
C.
Metropolitan Atlanta Rapid Transit Authority (MARTA)
The Metropolitan Atlanta Rapid Transit Authority (MARTA) is the primary public transportation agency serving the Atlanta metropolitan area, operating a network of heavy rail, bus, and paratransit services.
-
D.
Potomac and Rappahannock Transportation Commission
The Potomac and Rappahannock Transportation Commission is a regional transit agency in Northern Virginia that oversees and funds commuter rail and bus services for member jurisdictions south of Washington, D.C.
-
E.
Tompkins Consolidated Area Transit
Tompkins Consolidated Area Transit is the primary public bus system serving Ithaca and the surrounding Tompkins County region in New York.
- 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: Maryland Transit Administration Target entity description: The Maryland Transit Administration is the state agency responsible for operating and overseeing public transportation services in Maryland, including bus, rail, and commuter transit systems.
-
A.
Washington Metropolitan Area Transit Authority
The Washington Metropolitan Area Transit Authority is the agency that manages public transportation services, including Metrorail and Metrobus, in the Washington, D.C. metropolitan region.
-
B.
Maryland Department of Transportation
The Maryland Department of Transportation is the statewide agency responsible for planning, building, operating, and maintaining Maryland’s transportation systems, including highways, transit, ports, aviation, and rail services.
-
C.
Metropolitan Atlanta Rapid Transit Authority (MARTA)
The Metropolitan Atlanta Rapid Transit Authority (MARTA) is the primary public transportation agency serving the Atlanta metropolitan area, operating a network of heavy rail, bus, and paratransit services.
-
D.
Potomac and Rappahannock Transportation Commission
The Potomac and Rappahannock Transportation Commission is a regional transit agency in Northern Virginia that oversees and funds commuter rail and bus services for member jurisdictions south of Washington, D.C.
-
E.
Tompkins Consolidated Area Transit
Tompkins Consolidated Area Transit is the primary public bus system serving Ithaca and the surrounding Tompkins County region in New York.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
public transit agency
ⓘ
state government agency ⓘ |
| abbreviation | MTA ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| fareSystem |
CharmCard
ⓘ
mobile ticketing app (MTA Transit app / CharmPass) ⓘ |
| formerName | Mass Transit Administration ⓘ |
| hasPredecessor |
Baltimore Transit Company
ⓘ
Mass Transit Administration ⓘ |
| hasRailGauge | standard gauge ⓘ |
| hasService |
Maryland Transit Administration
self-linksurface differs
ⓘ
surface form:
BaltimoreLink bus network
Express BusLink ⓘ MARC Brunswick Line ⓘ Camden Line ⓘ
surface form:
MARC Camden Line
MARC Penn Line ⓘ MobilityLink ⓘ |
| headquartersLocation |
Baltimore
ⓘ
surface form:
Baltimore, Maryland
|
| inception | 1970s ⓘ |
| industry | public transportation ⓘ |
| jurisdiction |
Maryland
ⓘ
surface form:
State of Maryland
|
| languageOfWorkOrName | English ⓘ |
| legalForm | state agency ⓘ |
| modeOfTransport |
bus
ⓘ
commuter rail ⓘ light rail ⓘ paratransit ⓘ rapid transit ⓘ |
| operatedBy | Maryland Department of Transportation ⓘ |
| operates |
Charm City Circulator (planning and oversight roles have varied)
ⓘ
Commuter Bus ⓘ Light RailLink ⓘ Local Bus ⓘ MARC Train ⓘ
surface form:
MARC Train Service
Metro SubwayLink ⓘ Mobility paratransit service ⓘ |
| parentOrganization | Maryland Department of Transportation ⓘ |
| partOf |
Government of Maryland
ⓘ
surface form:
Maryland state government
|
| regulates | some contracted commuter bus services in Maryland ⓘ |
| responsibleFor |
funding certain local transit services in Maryland
ⓘ
operating core transit services in the Baltimore region ⓘ planning public transit in Maryland ⓘ |
| sector | public sector ⓘ |
| serviceArea |
Baltimore–Washington metropolitan area
ⓘ
surface form:
Baltimore metropolitan area
Baltimore–Washington metropolitan area ⓘ
surface form:
Central Maryland
Maryland ⓘ
surface form:
State of Maryland
|
| shortName |
Maryland Transit Administration
self-linksurface differs
ⓘ
surface form:
MTA Maryland
|
| state | Maryland ⓘ |
| website | https://www.mta.maryland.gov/ ⓘ |
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: Maryland Transit Administration Description of subject: The Maryland Transit Administration is the state agency responsible for operating and overseeing public transportation services in Maryland, including bus, rail, and commuter transit systems.
Referenced by (148)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Blue Line (Baltimore Light Rail)
subject surface form:
Blue Line (Baltimore Light Rail)
subject surface form:
Middle River, Maryland
subject surface form:
Yellow Line (Baltimore Light Rail)
subject surface form:
Yellow Line (Baltimore Light Rail)
this entity surface form:
Maryland Transit Administration rail network
this entity surface form:
Maryland Transit Administration (for transit components)
subject surface form:
MARC Train station