Maryland Transportation Authority
E92238
The Maryland Transportation Authority is the state agency responsible for financing, operating, and maintaining Maryland’s toll roads, bridges, and tunnels.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Maryland Transportation Authority canonical | 16 |
| Maryland Transportation Authority Police | 2 |
| MDTA | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T759171 — 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 Transportation Authority Context triple: [Maryland Department of Transportation, hasDivision, Maryland Transportation Authority]
-
A.
Maryland Transit Administration
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.
-
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.
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.
-
D.
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.
-
E.
Southeastern Pennsylvania Transportation Authority
The Southeastern Pennsylvania Transportation Authority (SEPTA) is the regional public transit agency serving the Philadelphia metropolitan area, operating buses, subways, trolleys, and commuter rail services across southeastern Pennsylvania.
- 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 Transportation Authority Target entity description: The Maryland Transportation Authority is the state agency responsible for financing, operating, and maintaining Maryland’s toll roads, bridges, and tunnels.
-
A.
Maryland Transit Administration
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.
-
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.
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.
-
D.
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.
-
E.
Southeastern Pennsylvania Transportation Authority
The Southeastern Pennsylvania Transportation Authority (SEPTA) is the regional public transit agency serving the Philadelphia metropolitan area, operating buses, subways, trolleys, and commuter rail services across southeastern Pennsylvania.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
state agency
ⓘ
transportation agency ⓘ |
| appliesToJurisdiction | Maryland ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| employs |
Maryland Transportation Authority Police
ⓘ
linked to:
Maryland Transportation Authority
|
| follows | Maryland state law ⓘ |
| fundingModel | toll revenues ⓘ |
| governmentBranch | executive branch of Maryland ⓘ |
| hasAuthorityOver | toll rate setting for Maryland toll facilities ⓘ |
| hasHeadquartersInBuilding | Maryland Transportation Authority Headquarters, Baltimore ⓘ |
| hasJurisdictionOver | Maryland toll facilities ⓘ |
| hasPart |
Maryland Transportation Authority Police
ⓘ
linked to:
Maryland Transportation Authority
|
| headquartersLocation |
Baltimore, Maryland
ⓘ
linked to:
Baltimore, Maryland, United States
|
| inception | 1971 ⓘ |
| industry |
toll road operation
ⓘ
transportation ⓘ |
| languageOfWorkOrName | English ⓘ |
| legalForm | independent state agency ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| maintains |
Maryland toll bridges
ⓘ
Maryland toll highways ⓘ Maryland toll tunnels ⓘ
linked to:
Baltimore Harbor Tunnel
|
| mandate | finance, operate, and maintain Maryland’s toll facilities ⓘ |
| operates |
Baltimore Harbor Tunnel
ⓘ
Chesapeake Bay Bridge ⓘ Fort McHenry Tunnel ⓘ Francis Scott Key Bridge ⓘ
linked to:
Francis Scott Key Bridge (Baltimore)
Governor Harry W. Nice Memorial/Senator Thomas "Mac" Middleton Bridge ⓘ
linked to:
Harry W. Nice Memorial Bridge
I-95 Express Toll Lanes in Maryland ⓘ Intercounty Connector (MD 200) ⓘ John F. Kennedy Memorial Highway ⓘ Thomas J. Hatem Memorial Bridge ⓘ William Preston Lane Jr. Memorial Bridge ⓘ |
| operatesInAdministrativeTerritorialEntity | Maryland ⓘ |
| ownedBy |
State of Maryland
ⓘ
linked to:
Maryland
|
| parentOrganization |
Maryland Department of Transportation
ⓘ
State of Maryland ⓘ
linked to:
Maryland
|
| responsibleFor |
financing Maryland toll facilities
ⓘ
maintaining Maryland toll facilities ⓘ operating Maryland toll facilities ⓘ toll bridges in Maryland ⓘ toll roads in Maryland ⓘ toll tunnels in Maryland ⓘ |
| serviceArea |
State of Maryland
ⓘ
linked to:
Maryland
|
| shortName |
MDTA
ⓘ
linked to:
Maryland Transportation Authority
|
| subordinateTo | Maryland Department of Transportation ⓘ |
| usesSystem |
E-ZPass electronic toll collection system
ⓘ
linked to:
E-ZPass
|
| website | https://mdta.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 Transportation Authority Description of subject: The Maryland Transportation Authority is the state agency responsible for financing, operating, and maintaining Maryland’s toll roads, bridges, and tunnels.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Maryland Transportation Authority
linked to: Maryland Transportation Authority
linked to: Maryland Transportation Authority
Maryland Transportation Authority Headquarters, Baltimore
→
ownedBy
→
Maryland Transportation Authority
ⓘ
Maryland Transportation Authority Headquarters, Baltimore
→
operator
→
Maryland Transportation Authority
ⓘ
Maryland Transportation Authority Headquarters, Baltimore
→
headquartersOf
→
Maryland Transportation Authority
ⓘ