BART

E12820

public transportation system railway network rapid transit system

BART (Bay Area Rapid Transit) is a major rapid transit system serving the San Francisco Bay Area, linking cities like San Francisco, Oakland, and Berkeley with surrounding suburbs and regional transit networks.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (37)

Label	Occurrences
Bay Area Rapid Transit	202
BART canonical	35
BART system	16
Bay Area Rapid Transit system	14
BART fare system	8
BART Board of Directors	3
BART Market Street subway	2
BART electric multiple units	2
BART rail network	2
Bay Area Rapid Transit (BART)	2
AirBART bus service	1
BART (via connecting Muni)	1
BART (via shared downtown stations)	1
BART A series cars	1
BART B series cars	1
BART C series cars	1
BART D cars	1
BART D series cars	1
BART E series cars	1
BART East Bay	1
BART East Bay network	1
BART East Bay zone	1
BART Oakland subway	1
BART Silicon Valley extension	1
BART and Amtrak	1
BART at Embarcadero Station	1
BART at Montgomery Street Station	1
BART core network	1
BART fare zone	1
BART mainline network	1
BART network	1
BART rail transit system	1
BART ticket machines	1
BART to Antioch diesel multiple unit shuttle	1
BART to Silicon Valley program	1
Bay Area Rapid Transit system (as passenger)	1
Transbay BART service	1

How this entity was disambiguated

This entity first appeared as the object of triple T76656 — 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: BART
Context triple: [Caltrain, connectsWith, BART]

A. Caltrain
Caltrain is a commuter rail service on the San Francisco Peninsula and in the Santa Clara Valley, connecting San Francisco to San Jose and Gilroy in California.
B. San Francisco cable car system
The San Francisco cable car system is a historic manually operated streetcar network and iconic symbol of the city, known for its steep routes and status as the world’s last permanently operational cable car system.
C. SamTrans
SamTrans is the public bus and paratransit agency serving San Mateo County and parts of the San Francisco Bay Area.
D. Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
E. Muni
Muni is San Francisco’s primary public transit agency, operating buses, light rail, historic streetcars, and the city’s iconic cable cars.
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: BART
Target entity description: BART (Bay Area Rapid Transit) is a major rapid transit system serving the San Francisco Bay Area, linking cities like San Francisco, Oakland, and Berkeley with surrounding suburbs and regional transit networks.

A. Caltrain
Caltrain is a commuter rail service on the San Francisco Peninsula and in the Santa Clara Valley, connecting San Francisco to San Jose and Gilroy in California.
B. San Francisco cable car system
The San Francisco cable car system is a historic manually operated streetcar network and iconic symbol of the city, known for its steep routes and status as the world’s last permanently operational cable car system.
C. SamTrans
SamTrans is the public bus and paratransit agency serving San Mateo County and parts of the San Francisco Bay Area.
D. Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
E. Muni
Muni is San Francisco’s primary public transit agency, operating buses, light rail, historic streetcars, and the city’s iconic cable cars.
F. None of above. chosen

Statements (65)

Predicate	Object
instanceOf	public transportation system ⓘ railway network ⓘ rapid transit system ⓘ
abbreviation	BART self-link ⓘ
connectsWith	AC Transit ⓘ Amtrak Capitol Corridor ⓘ Caltrain ⓘ San Francisco Muni ⓘ surface form: Muni Metro SamTrans ⓘ VTA light rail ⓘ
constructionStartDate	1964 ⓘ
country	United States of America ⓘ surface form: United States
crosses	San Francisco Bay ⓘ
electrification	1000 V DC third rail ⓘ
fareMedium	Clipper card ⓘ
fareSystem	distance-based fares ⓘ
fullName	BART self-linksurface differs ⓘ surface form: Bay Area Rapid Transit
governingBody	BART self-linksurface differs ⓘ surface form: BART Board of Directors
hasLine	Richmond–Millbrae line ⓘ surface form: Antioch–SFO/Millbrae line Berryessa/North San José–Richmond line ⓘ Dublin/Pleasanton–Daly City line ⓘ Richmond–Millbrae line ⓘ surface form: Richmond–Daly City/Millbrae line Richmond–Millbrae line ⓘ
hasStation	Berryessa/North San José station ⓘ Civic Center/UN Plaza station ⓘ Downtown Berkeley station ⓘ Dublin/Pleasanton station ⓘ Embarcadero station ⓘ Fremont station ⓘ MacArthur station ⓘ Millbrae station ⓘ Montgomery Street station ⓘ Oakland City Center/12th Street station ⓘ Oakland International Airport station ⓘ Pittsburg/Bay Point station ⓘ Powell Street terminal ⓘ surface form: Powell Street station Richmond station ⓘ San Francisco International Airport station ⓘ Warm Springs/South Fremont station ⓘ
hasStructureType	at-grade ⓘ elevated ⓘ underground ⓘ
headquartersLocation	Oakland ⓘ surface form: Oakland, California
locatedIn	San Francisco Bay Area ⓘ
notableInfrastructure	Transbay Tube ⓘ
numberOfLines	5 ⓘ
numberOfStations	50+ ⓘ
openingDate	1972-09-11 ⓘ
operator	San Francisco Bay Area Rapid Transit District ⓘ
owner	San Francisco Bay Area Rapid Transit District ⓘ
primaryCityServed	Berkeley ⓘ Oakland ⓘ San Francisco ⓘ
regionServed	Alameda County ⓘ Contra Costa County ⓘ San Francisco County ⓘ San Mateo County, California ⓘ surface form: San Mateo County Santa Clara County ⓘ
serviceFrequency	high-frequency urban rail service ⓘ
serviceType	heavy rail ⓘ
systemLength	about 130 miles ⓘ
timeZone	Pacific Time Zone ⓘ
trackGauge	1676 mm ⓘ 5 ft 6 in ⓘ
website	https://www.bart.gov ⓘ