National Transit Database
E41368
The National Transit Database is the primary federal repository of financial, operational, and asset data on U.S. public transportation systems, used for planning, oversight, and funding decisions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| National Transit Database canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T320306 — 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: National Transit Database Context triple: [Federal Transit Administration, manages, National Transit Database]
-
A.
Bureau of Transportation Statistics
The Bureau of Transportation Statistics is a U.S. federal agency that compiles, analyzes, and publishes data on the nation’s transportation systems to inform policy and decision-making.
-
B.
Federal Transit Administration
The Federal Transit Administration is a U.S. government agency that provides financial and technical assistance to support and improve public transportation systems nationwide.
-
C.
Transit Bureau
The Transit Bureau is the division of the New York City Police Department responsible for policing and ensuring safety within the city’s public transit system, particularly the subway.
-
D.
Surface Transportation Board
The Surface Transportation Board is an independent U.S. federal agency that oversees and adjudicates economic regulation of the nation’s railroads and certain other surface transportation carriers.
-
E.
MetroAccess
MetroAccess is a paratransit service providing door-to-door transportation for people with disabilities in the Washington, D.C. metropolitan area.
- 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: National Transit Database Target entity description: The National Transit Database is the primary federal repository of financial, operational, and asset data on U.S. public transportation systems, used for planning, oversight, and funding decisions.
-
A.
Bureau of Transportation Statistics
The Bureau of Transportation Statistics is a U.S. federal agency that compiles, analyzes, and publishes data on the nation’s transportation systems to inform policy and decision-making.
-
B.
Federal Transit Administration
The Federal Transit Administration is a U.S. government agency that provides financial and technical assistance to support and improve public transportation systems nationwide.
-
C.
Transit Bureau
The Transit Bureau is the division of the New York City Police Department responsible for policing and ensuring safety within the city’s public transit system, particularly the subway.
-
D.
Surface Transportation Board
The Surface Transportation Board is an independent U.S. federal agency that oversees and adjudicates economic regulation of the nation’s railroads and certain other surface transportation carriers.
-
E.
MetroAccess
MetroAccess is a paratransit service providing door-to-door transportation for people with disabilities in the Washington, D.C. metropolitan area.
- F. None of above. chosen
Statements (62)
| Predicate | Object |
|---|---|
| instanceOf |
federal data repository
ⓘ
transportation database ⓘ |
| accessPolicy |
publicly accessible data products
ⓘ
restricted access for certain detailed records ⓘ |
| administeredBy |
Federal Transit Administration
ⓘ
surface form:
Office of Budget and Policy of the Federal Transit Administration
|
| country |
United States of America
ⓘ
surface form:
United States
|
| covers |
bus transit systems
ⓘ
commuter rail systems ⓘ demand response services ⓘ ferryboat services ⓘ heavy rail systems ⓘ light rail systems ⓘ public transportation providers receiving FTA funds ⓘ rural transit agencies ⓘ tribal transit agencies ⓘ urban transit agencies ⓘ vanpool services ⓘ |
| dataType |
asset condition data
ⓘ
asset data ⓘ capital expenditure data ⓘ facility inventory data ⓘ financial data ⓘ fleet inventory data ⓘ operating expense data ⓘ operational data ⓘ ridership data ⓘ safety data ⓘ safety event data ⓘ service consumption data ⓘ service data ⓘ service supply data ⓘ |
| geographicScope |
United States public transportation systems
ⓘ
national ⓘ |
| legalBasis | 49 U.S.C. 5335 ⓘ |
| operatedBy | Federal Transit Administration ⓘ |
| partOf | U.S. Department of Transportation programs ⓘ |
| primaryFunction |
collect public transit data
ⓘ
provide public transit data ⓘ store public transit data ⓘ |
| provides |
agency-level profiles
ⓘ
annual data reports ⓘ mode-level statistics ⓘ state-level transit statistics ⓘ time-series data tools ⓘ |
| sector | public transportation ⓘ |
| supportsProgram |
Bus and Bus Facilities grants
ⓘ
FTA formula grant programs ⓘ Rural Area Formula Program ⓘ State of Good Repair grants ⓘ Urbanized Area Formula Program ⓘ |
| timeResolution | annual data ⓘ |
| usedFor |
asset management planning
ⓘ
benchmarking transit agency performance ⓘ federal funding allocation decisions ⓘ federal oversight of transit agencies ⓘ federal transit planning ⓘ formula grant apportionment ⓘ performance measurement ⓘ policy analysis ⓘ research on public transportation ⓘ safety management and oversight ⓘ |
| website | https://www.transit.dot.gov/ntd ⓘ |
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: National Transit Database Description of subject: The National Transit Database is the primary federal repository of financial, operational, and asset data on U.S. public transportation systems, used for planning, oversight, and funding decisions.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.