SP Coast Line between Los Angeles and San Francisco
E504062
The SP Coast Line between Los Angeles and San Francisco is a historic Southern Pacific Railroad coastal route in California known for its scenic ocean views and passenger services such as the famed Coast Daylight.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SP Coast Line between Los Angeles and San Francisco canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5219822 — 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: SP Coast Line between Los Angeles and San Francisco Context triple: [Coast Daylight, railLineUsed, SP Coast Line between Los Angeles and San Francisco]
-
A.
West Coast Express
West Coast Express is a commuter rail service in British Columbia, Canada, that operates weekday trains between downtown Vancouver and its eastern suburbs along the north shore of the Fraser River.
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B.
Los Angeles–New Orleans rail corridor
The Los Angeles–New Orleans rail corridor is a major transcontinental rail route linking Southern California to the U.S. Gulf Coast, used for both freight and long-distance passenger service.
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C.
San Joaquins route
The San Joaquins route is an Amtrak passenger rail service in California that connects the San Francisco Bay Area and Sacramento with the Central Valley and Bakersfield.
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D.
Alameda/Oakland–San Francisco route
The Alameda/Oakland–San Francisco route is a commuter and tourist ferry service across San Francisco Bay connecting the East Bay cities of Alameda and Oakland with San Francisco.
-
E.
Vallejo–San Francisco route
The Vallejo–San Francisco route is a commuter and leisure passenger ferry service across San Pablo Bay linking the city of Vallejo with San Francisco.
- 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: SP Coast Line between Los Angeles and San Francisco Target entity description: The SP Coast Line between Los Angeles and San Francisco is a historic Southern Pacific Railroad coastal route in California known for its scenic ocean views and passenger services such as the famed Coast Daylight.
-
A.
West Coast Express
West Coast Express is a commuter rail service in British Columbia, Canada, that operates weekday trains between downtown Vancouver and its eastern suburbs along the north shore of the Fraser River.
-
B.
Los Angeles–New Orleans rail corridor
The Los Angeles–New Orleans rail corridor is a major transcontinental rail route linking Southern California to the U.S. Gulf Coast, used for both freight and long-distance passenger service.
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C.
San Joaquins route
The San Joaquins route is an Amtrak passenger rail service in California that connects the San Francisco Bay Area and Sacramento with the Central Valley and Bakersfield.
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D.
Alameda/Oakland–San Francisco route
The Alameda/Oakland–San Francisco route is a commuter and tourist ferry service across San Francisco Bay connecting the East Bay cities of Alameda and Oakland with San Francisco.
-
E.
Vallejo–San Francisco route
The Vallejo–San Francisco route is a commuter and leisure passenger ferry service across San Pablo Bay linking the city of Vallejo with San Francisco.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Southern Pacific Railroad line
ⓘ
passenger rail route ⓘ railway line ⓘ |
| associatedWith | streamliner era of American passenger trains ⓘ |
| builtFor |
freight service
ⓘ
passenger service ⓘ |
| connects |
Los Angeles
NERFINISHED
ⓘ
San Francisco NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | not electrified ⓘ |
| follows | Pacific coast of California ⓘ |
| gauge | standard gauge ⓘ |
| heritage | historic rail corridor ⓘ |
| historicalEra | 20th century American railroading ⓘ |
| historicalOperator | Southern Pacific Transportation Company NERFINISHED ⓘ |
| historicalSignificance | major coastal rail link between Los Angeles and San Francisco ⓘ |
| knownFor |
coastal scenery
ⓘ
passenger train services ⓘ scenic ocean views ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
|
| notableTrain | Coast Daylight NERFINISHED ⓘ |
| operator | Southern Pacific Railroad NERFINISHED ⓘ |
| ownership | Union Pacific Railroad NERFINISHED ⓘ |
| partOf | Southern Pacific Coast Line NERFINISHED ⓘ |
| passesNear | Pacific Ocean NERFINISHED ⓘ |
| passesThrough |
Monterey County
NERFINISHED
ⓘ
Salinas Valley NERFINISHED ⓘ San Luis Obispo NERFINISHED ⓘ San Luis Obispo County NERFINISHED ⓘ Santa Barbara NERFINISHED ⓘ Santa Barbara County NERFINISHED ⓘ Ventura County NERFINISHED ⓘ |
| primaryFunction | intercity rail connection between Southern and Northern California ⓘ |
| railroad | Southern Pacific Railroad NERFINISHED ⓘ |
| regionServed |
Central Coast of California
NERFINISHED
ⓘ
San Francisco Bay Area ⓘ Southern California ⓘ |
| routeType | main line ⓘ |
| scenicReputation | one of the most scenic mainline rail routes in the United States ⓘ |
| servedBy |
Coast Daylight
NERFINISHED
ⓘ
Coast Starlight NERFINISHED ⓘ Lark NERFINISHED ⓘ San Joaquin Daylight NERFINISHED ⓘ |
| successorOperator | Union Pacific Railroad NERFINISHED ⓘ |
| trackConfiguration | primarily single track with passing sidings ⓘ |
| usedBy |
Amtrak Coast Starlight
NERFINISHED
ⓘ
Amtrak Pacific Surfliner (southern portion) NERFINISHED ⓘ freight trains ⓘ passenger trains ⓘ |
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: SP Coast Line between Los Angeles and San Francisco Description of subject: The SP Coast Line between Los Angeles and San Francisco is a historic Southern Pacific Railroad coastal route in California known for its scenic ocean views and passenger services such as the famed Coast Daylight.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.