Pacific Surfliner route

E440071

Amtrak route passenger rail corridor

The Pacific Surfliner route is a popular Amtrak passenger rail corridor along the Southern California coast, connecting cities such as San Diego, Los Angeles, and San Luis Obispo.

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All labels observed (6)

Label	Occurrences
Pacific Surfliner	5
Amtrak Pacific Surfliner (nearby service)	1
Pacific Surfliner Corridor (partial)	1
Pacific Surfliner corridor	1
Pacific Surfliner route canonical	1
Pacific Surfliner route between San Diego and San Luis Obispo	1

How this entity was disambiguated

This entity first appeared as the object of triple T4431518 — 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: Pacific Surfliner route
Context triple: [San Clemente Pier station, railwayLine, Pacific Surfliner route]

A. 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.
B. Richmond–San Francisco route
The Richmond–San Francisco route is a commuter and leisure ferry service across San Francisco Bay connecting the city of Richmond with San Francisco.
C. BNSF Southern Transcon
The BNSF Southern Transcon is a major high-capacity freight rail corridor across the southern United States, serving as one of BNSF Railway’s primary routes for transcontinental intermodal and merchandise traffic.
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. BNSF Scenic Subdivision
The BNSF Scenic Subdivision is a major BNSF Railway line through Washington state’s Cascade Mountains, known for its steep grades, tunnels, and use by both freight and passenger trains.
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: Pacific Surfliner route
Target entity description: The Pacific Surfliner route is a popular Amtrak passenger rail corridor along the Southern California coast, connecting cities such as San Diego, Los Angeles, and San Luis Obispo.

A. 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.
B. Richmond–San Francisco route
The Richmond–San Francisco route is a commuter and leisure ferry service across San Francisco Bay connecting the city of Richmond with San Francisco.
C. BNSF Southern Transcon
The BNSF Southern Transcon is a major high-capacity freight rail corridor across the southern United States, serving as one of BNSF Railway’s primary routes for transcontinental intermodal and merchandise traffic.
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. BNSF Scenic Subdivision
The BNSF Scenic Subdivision is a major BNSF Railway line through Washington state’s Cascade Mountains, known for its steep grades, tunnels, and use by both freight and passenger trains.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	Amtrak route ⓘ passenger rail corridor ⓘ
brandOf	Pacific Surfliner NERFINISHED ⓘ
connectsCity	Anaheim NERFINISHED ⓘ Fullerton NERFINISHED ⓘ Irvine NERFINISHED ⓘ Los Angeles NERFINISHED ⓘ Oceanside NERFINISHED ⓘ San Diego NERFINISHED ⓘ San Juan Capistrano NERFINISHED ⓘ San Luis Obispo NERFINISHED ⓘ Santa Barbara NERFINISHED ⓘ Ventura NERFINISHED ⓘ
connectsMetropolitanArea	Central Coast of California NERFINISHED ⓘ Greater Los Angeles NERFINISHED ⓘ Greater San Diego NERFINISHED ⓘ
country	United States ⓘ linked to: United States of America
followsCoastOf	Pacific Ocean NERFINISHED ⓘ
fundedBy	California Department of Transportation NERFINISHED ⓘ State of California NERFINISHED ⓘ
locatedIn	Southern California ⓘ
majorStop	Anaheim NERFINISHED ⓘ Fullerton NERFINISHED ⓘ Irvine NERFINISHED ⓘ Los Angeles NERFINISHED ⓘ Oceanside NERFINISHED ⓘ San Diego NERFINISHED ⓘ San Juan Capistrano NERFINISHED ⓘ San Luis Obispo NERFINISHED ⓘ Santa Barbara NERFINISHED ⓘ Ventura NERFINISHED ⓘ
operator	Amtrak ⓘ
partOf	California intercity passenger rail network NERFINISHED ⓘ
primaryUse	passenger transportation ⓘ
railGauge	standard gauge ⓘ
regionServed	California NERFINISHED ⓘ Southern California coast NERFINISHED ⓘ
scenicFeature	Pacific Ocean shoreline NERFINISHED ⓘ coastal views ⓘ
serviceType	corridor service ⓘ inter-city rail ⓘ
terminus	San Diego NERFINISHED ⓘ San Luis Obispo NERFINISHED ⓘ
trackOwnership	mixed public and freight railroad ownership ⓘ
usesStation	Los Angeles Union Station NERFINISHED ⓘ San Diego Santa Fe Depot NERFINISHED ⓘ San Luis Obispo station NERFINISHED ⓘ

How these facts were elicited