BART Pittsburg/Bay Point line (historical)

E808890

rapid transit service route

The BART Pittsburg/Bay Point line (historical) was a former Bay Area Rapid Transit service route connecting San Francisco and Oakland to the eastern Contra Costa County suburbs, including Pittsburg and Bay Point.

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

All labels observed (2)

Label	Occurrences
BART Pittsburg/Bay Point–SFO/Millbrae line	2
BART Pittsburg/Bay Point line (historical) canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T9597553 — 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 Pittsburg/Bay Point line (historical)
Context triple: [19th Street Oakland station, isOnLine, BART Pittsburg/Bay Point line (historical)]

A. BART Fremont line
The BART Fremont line is a Bay Area Rapid Transit route in the San Francisco Bay Area that historically extended service to the city of Fremont in southern Alameda County.
B. BART Berryessa/North San José–Daly City line
The BART Berryessa/North San José–Daly City line is a Bay Area Rapid Transit service connecting San José’s Berryessa/North San José station with Daly City through downtown San Francisco and the East Bay.
C. BART Blue Line
The BART Blue Line is a Bay Area Rapid Transit service route that runs through San Francisco and the greater Bay Area, connecting key urban centers and regional destinations.
D. BART Yellow Line
The BART Yellow Line is a Bay Area Rapid Transit route that runs through key stations including Civic Center/UN Plaza, connecting San Francisco with the East Bay and beyond.
E. BART Orange Line
The BART Orange Line is a Bay Area Rapid Transit service route that runs through the East Bay and South Bay, connecting cities such as Richmond, Oakland, and San José.
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 Pittsburg/Bay Point line (historical)
Target entity description: The BART Pittsburg/Bay Point line (historical) was a former Bay Area Rapid Transit service route connecting San Francisco and Oakland to the eastern Contra Costa County suburbs, including Pittsburg and Bay Point.

A. BART Fremont line
The BART Fremont line is a Bay Area Rapid Transit route in the San Francisco Bay Area that historically extended service to the city of Fremont in southern Alameda County.
B. BART Berryessa/North San José–Daly City line
The BART Berryessa/North San José–Daly City line is a Bay Area Rapid Transit service connecting San José’s Berryessa/North San José station with Daly City through downtown San Francisco and the East Bay.
C. BART Blue Line
The BART Blue Line is a Bay Area Rapid Transit service route that runs through San Francisco and the greater Bay Area, connecting key urban centers and regional destinations.
D. BART Yellow Line
The BART Yellow Line is a Bay Area Rapid Transit route that runs through key stations including Civic Center/UN Plaza, connecting San Francisco with the East Bay and beyond.
E. BART Orange Line
The BART Orange Line is a Bay Area Rapid Transit service route that runs through the East Bay and South Bay, connecting cities such as Richmond, Oakland, and San José.
F. None of above. chosen

Statements (39)

Predicate	Object
instanceOf	rapid transit service route ⓘ
connects	Bay Point NERFINISHED ⓘ Oakland NERFINISHED ⓘ Pittsburg NERFINISHED ⓘ San Francisco NERFINISHED ⓘ
connectsWith	San Francisco / Oakland urban core NERFINISHED ⓘ eastern Contra Costa County suburbs ⓘ
continent	North America ⓘ
country	United States of America ⓘ surface form: United States
fareIntegrationWith	BART system-wide fare structure ⓘ
fareSystem	BART distance-based fare system NERFINISHED ⓘ
languageOfOfficialName	English ⓘ
locatedIn	San Francisco Bay Area ⓘ
networkRole	trunk route to eastern Contra Costa County ⓘ
operatedBy	Bay Area Rapid Transit District NERFINISHED ⓘ
owner	Bay Area Rapid Transit District NERFINISHED ⓘ
partOf	Bay Area Rapid Transit NERFINISHED ⓘ
passesThrough	Contra Costa County, California NERFINISHED ⓘ Oakland, California NERFINISHED ⓘ
poweredBy	electricity ⓘ
primaryFunction	commuter transport ⓘ regional rapid transit ⓘ
publicTransitType	heavy rail ⓘ
railSystem	BART NERFINISHED ⓘ
regionServed	East Bay NERFINISHED ⓘ San Francisco Peninsula (via Transbay connection) ⓘ
servesArea	Bay Point, California NERFINISHED ⓘ Contra Costa County, California NERFINISHED ⓘ Oakland, California NERFINISHED ⓘ Pittsburg, California NERFINISHED ⓘ San Francisco, California NERFINISHED ⓘ
state	California, United States ⓘ surface form: California
status	discontinued service pattern ⓘ
terminus	Pittsburg / Bay Point station NERFINISHED ⓘ San Francisco terminal station (historical pattern) NERFINISHED ⓘ
transportMode	rail ⓘ
usesElectrificationSystem	third rail ⓘ
usesInfrastructure	BART Transbay Tube NERFINISHED ⓘ
usesTrackGauge	broad gauge (5 ft 6 in) ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

19th Street Oakland station → isOnLine → BART Pittsburg/Bay Point line (historical) ⓘ

Colma station → railwayLine → BART Pittsburg/Bay Point line (historical) ⓘ

this entity surface form: BART Pittsburg/Bay Point–SFO/Millbrae line

Colma station → formerTerminusOf → BART Pittsburg/Bay Point line (historical) ⓘ