San Francisco Municipal Transportation Agency
E129483
The San Francisco Municipal Transportation Agency is the city department responsible for managing and operating San Francisco’s public transit, parking, traffic, and street infrastructure.
All labels observed (2)
| Label | Occurrences |
|---|---|
| San Francisco Municipal Transportation Agency canonical | 86 |
| SFMTA | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1074757 — 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: San Francisco Municipal Transportation Agency Context triple: [San Francisco Muni, parentAgency, San Francisco Municipal Transportation Agency]
-
A.
San Francisco County Transportation Authority
The San Francisco County Transportation Authority is the county’s transportation planning and funding agency, responsible for developing and overseeing major transit, roadway, and mobility projects in San Francisco.
-
B.
San Francisco Muni
San Francisco Muni is the primary public transportation system in San Francisco, operating the city’s network of buses, light rail, historic streetcars, and cable cars.
-
C.
Santa Clara Valley Transportation Authority
The Santa Clara Valley Transportation Authority is the public transit agency that operates bus, light rail, and related transportation services throughout Santa Clara County in California’s Silicon Valley.
-
D.
San Francisco Bay Area Rapid Transit District
The San Francisco Bay Area Rapid Transit District is the public agency that plans, funds, and oversees the Bay Area’s regional BART rail transit system.
-
E.
AC Transit
AC Transit is a public bus agency serving the East Bay region of the San Francisco Bay Area, providing local and transbay bus services.
- 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: San Francisco Municipal Transportation Agency Target entity description: The San Francisco Municipal Transportation Agency is the city department responsible for managing and operating San Francisco’s public transit, parking, traffic, and street infrastructure.
-
A.
San Francisco County Transportation Authority
The San Francisco County Transportation Authority is the county’s transportation planning and funding agency, responsible for developing and overseeing major transit, roadway, and mobility projects in San Francisco.
-
B.
San Francisco Muni
San Francisco Muni is the primary public transportation system in San Francisco, operating the city’s network of buses, light rail, historic streetcars, and cable cars.
-
C.
Santa Clara Valley Transportation Authority
The Santa Clara Valley Transportation Authority is the public transit agency that operates bus, light rail, and related transportation services throughout Santa Clara County in California’s Silicon Valley.
-
D.
San Francisco Bay Area Rapid Transit District
The San Francisco Bay Area Rapid Transit District is the public agency that plans, funds, and oversees the Bay Area’s regional BART rail transit system.
-
E.
AC Transit
AC Transit is a public bus agency serving the East Bay region of the San Francisco Bay Area, providing local and transbay bus services.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
government agency
ⓘ
municipal transportation agency ⓘ public transit operator ⓘ |
| collaboratesWith |
BART
ⓘ
surface form:
Bay Area Rapid Transit
Caltrain ⓘ Golden Gate Transit ⓘ |
| country | United States of America ⓘ |
| formationYear | 1999 ⓘ |
| formedBy | Proposition E (San Francisco, 1999) ⓘ |
| foundedBy |
San Francisco County
ⓘ
surface form:
City and County of San Francisco
|
| hasDivision |
Finance and Information Technology Division
ⓘ
Human Resources Division ⓘ Sustainable Streets Division ⓘ Taxi and Accessible Services Division ⓘ Transit Division ⓘ |
| headquartersLocation |
1 South Van Ness Avenue, San Francisco
ⓘ
Civic Center, San Francisco ⓘ |
| implements | San Francisco Transit-First Policy ⓘ |
| jurisdiction |
San Francisco County
ⓘ
surface form:
City and County of San Francisco
|
| language | English ⓘ |
| legalBasis |
Charter of the City and County of San Francisco
ⓘ
surface form:
San Francisco City Charter
|
| locatedIn |
California, United States
ⓘ
surface form:
California
San Francisco ⓘ |
| manages | Muni ⓘ |
| memberOf | Metropolitan Transportation Commission service network ⓘ |
| operates |
Clipper card sales locations for transit
ⓘ
San Francisco Muni ⓘ
surface form:
Muni Metro
San Francisco Muni ⓘ
surface form:
San Francisco Municipal Railway
San Francisco bus network ⓘ San Francisco cable car system ⓘ Muni bus network ⓘ
surface form:
San Francisco trolleybus network
F Market & Wharves historic streetcar line ⓘ
surface form:
historic F Market & Wharves streetcar line
|
| operatesIn | San Francisco Bay Area ⓘ |
| oversees |
paratransit services in San Francisco
ⓘ
parking garages owned by San Francisco ⓘ parking meters in San Francisco ⓘ taxi regulation in San Francisco ⓘ traffic signals in San Francisco ⓘ |
| parentOrganization |
San Francisco County
ⓘ
surface form:
City and County of San Francisco
|
| partOf |
Government of San Francisco
ⓘ
surface form:
San Francisco city government
|
| responsibleFor |
bicycle infrastructure in San Francisco
ⓘ
parking management in San Francisco ⓘ pedestrian infrastructure in San Francisco ⓘ public transit in San Francisco ⓘ street infrastructure in San Francisco ⓘ traffic management in San Francisco ⓘ |
| shortName |
San Francisco Municipal Transportation Agency
self-linksurface differs
ⓘ
surface form:
SFMTA
|
| uses |
diesel and hybrid buses
ⓘ
light rail vehicles ⓘ overhead electric wires for trolleybuses ⓘ |
| website | https://www.sfmta.com ⓘ |
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: San Francisco Municipal Transportation Agency Description of subject: The San Francisco Municipal Transportation Agency is the city department responsible for managing and operating San Francisco’s public transit, parking, traffic, and street infrastructure.
Referenced by (88)
Full triples — surface form annotated when it differs from this entity's canonical label.
Muni Metro at Embarcadero Station
→
servedByTransitAgency
→
San Francisco Municipal Transportation Agency
ⓘ
Muni Metro at Embarcadero Station
→
servedByTransitAgency
→
San Francisco Municipal Transportation Agency
ⓘ
this entity surface form:
SFMTA
San Mateo County Transit District
→
collaboratesWith
→
San Francisco Municipal Transportation Agency
ⓘ
subject surface form:
N Judah
Third Street Light Rail Project Phase 2
→
operator
→
San Francisco Municipal Transportation Agency
ⓘ
Third Street Light Rail Project Phase 2
→
transitAgency
→
San Francisco Municipal Transportation Agency
ⓘ
San Francisco County Transportation Authority
→
collaboratesWith
→
San Francisco Municipal Transportation Agency
ⓘ
San Francisco Bay Area Rapid Transit District
→
collaboratesWith
→
San Francisco Municipal Transportation Agency
ⓘ
San Francisco Department of Public Works
→
collaboratesWith
→
San Francisco Municipal Transportation Agency
ⓘ
San Francisco Department of the Environment
→
collaboratesWith
→
San Francisco Municipal Transportation Agency
ⓘ
Metropolitan Transportation Commission
→
worksWith
→
San Francisco Municipal Transportation Agency
ⓘ
San Francisco Planning Commission
→
collaboratesWith
→
San Francisco Municipal Transportation Agency
ⓘ
San Francisco Municipal Transportation Agency Board of Directors
→
governs
→
San Francisco Municipal Transportation Agency
ⓘ
San Francisco Municipal Transportation Agency Board of Directors
→
setsPolicyFor
→
San Francisco Municipal Transportation Agency
ⓘ
San Francisco Municipal Transportation Agency
→
shortName
→
San Francisco Municipal Transportation Agency
self-linksurface differs
ⓘ
this entity surface form:
SFMTA