Amtrak Capitol Corridor

E13501

Amtrak route inter-city rail service passenger rail corridor

Amtrak Capitol Corridor is a passenger rail service in Northern California that connects Sacramento, the San Francisco Bay Area, and San Jose with frequent, commuter-oriented trains.

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All labels observed (12)

Label	Occurrences
Capitol Corridor	26
Amtrak Capitol Corridor canonical	23
Capitol Corridor route	2
Amtrak Capitol Corridor (nearby stations)	1
Amtrak Capitol Corridor (partly via shared approaches and connections)	1
Capitol Corridor (Amtrak)	1
Capitol Corridor intercity passenger rail service	1
Capitol Corridor line	1
Capitol Corridor rail line	1
Capitol Corridor route between San Jose and Sacramento	1
Oakland–Sacramento segment of Capitol Corridor	1
Oakland–San Jose segment of Capitol Corridor	1

How this entity was disambiguated

This entity first appeared as the object of triple T76660 — 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: Amtrak Capitol Corridor
Context triple: [Caltrain, connectsWith, Amtrak Capitol Corridor]

A. Amtrak Empire Corridor
The Amtrak Empire Corridor is a major passenger rail route in New York State that connects New York City with Albany and other upstate cities along the Hudson River and beyond.
B. 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.
C. Amtrak
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
D. Amtrak Sacramento Valley Station
Amtrak Sacramento Valley Station is the main intercity passenger rail station in Sacramento, California, serving Amtrak trains and regional transit connections.
E. BART
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.
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: Amtrak Capitol Corridor
Target entity description: Amtrak Capitol Corridor is a passenger rail service in Northern California that connects Sacramento, the San Francisco Bay Area, and San Jose with frequent, commuter-oriented trains.

A. Amtrak Empire Corridor
The Amtrak Empire Corridor is a major passenger rail route in New York State that connects New York City with Albany and other upstate cities along the Hudson River and beyond.
B. 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.
C. Amtrak
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
D. Amtrak Sacramento Valley Station
Amtrak Sacramento Valley Station is the main intercity passenger rail station in Sacramento, California, serving Amtrak trains and regional transit connections.
E. BART
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.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	Amtrak route ⓘ inter-city rail service ⓘ passenger rail corridor ⓘ
connectsWith	Bay Area Rapid Transit ⓘ linked to: BART Sacramento Regional Transit ⓘ San Francisco Bay Ferry ⓘ Santa Clara Valley Transportation Authority ⓘ
country	United States ⓘ linked to: United States of America
electrification	none ⓘ
fareIntegration	connecting local transit agencies in Northern California ⓘ
locomotiveType	diesel-electric locomotive ⓘ
offers	Wi-Fi ⓘ bicycle accommodation ⓘ food and beverage service ⓘ
onboardClass	Business Class ⓘ Coach ⓘ
operator	Amtrak ⓘ
partOfNetwork	Amtrak California ⓘ
primaryOperator	Capitol Corridor Joint Powers Authority ⓘ
regionServed	Northern California ⓘ
rollingStock	Amtrak California bi-level coaches ⓘ California Cars ⓘ Siemens Venture coaches ⓘ
servesArea	San Francisco Bay Area ⓘ
servesCity	Auburn, California ⓘ Berkeley, California ⓘ linked to: Berkeley Davis, California ⓘ Emeryville, California ⓘ Fairfield, California ⓘ Fremont, California ⓘ linked to: Fremont Hayward, California ⓘ linked to: Hayward Martinez, California ⓘ Oakland, California ⓘ linked to: Oakland Richmond, California ⓘ Roseville, California ⓘ Sacramento, California ⓘ linked to: Sacramento San Jose, California ⓘ linked to: San Jose Santa Clara, California ⓘ linked to: Santa Clara, California, United States Suisun City, California ⓘ
serviceFrequency	frequent ⓘ
servicePattern	multiple daily round trips ⓘ
serviceType	commuter-oriented intercity rail ⓘ
terminus	Sacramento, California ⓘ linked to: Sacramento San Jose, California ⓘ linked to: San Jose
trackOwner	Union Pacific Railroad ⓘ
usesLocomotive	EMD F59PHI ⓘ GE P42DC ⓘ Siemens Charger ⓘ
usesRailroad	Union Pacific Railroad ⓘ
website	https://www.capitolcorridor.org/ ⓘ

How these facts were elicited

Referenced by (60)

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

Caltrain → connectsWith → Amtrak Capitol Corridor ⓘ

BART → connectsWith → Amtrak Capitol Corridor ⓘ

Hayward → servedBy → Amtrak Capitol Corridor (nearby stations) ⓘ