Metrolink (Southern California)

E203639

commuter rail system public transportation system regional rail system

Metrolink (Southern California) is a regional commuter rail system serving Los Angeles and surrounding counties, providing longer-distance transit connections across the Greater Los Angeles area.

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All labels observed (16)

Label	Occurrences
Metrolink	45
Southern California Regional Rail Authority	27
Metrolink (Southern California) canonical	7
Metrolink system	7
Metrolink regional rail network	2
Metrolink (California)	1
Metrolink (California) lines	1
Metrolink (Los Angeles area)	1
Metrolink (Southern California) network	1
Metrolink (via connections in Oceanside)	1
Metrolink (via nearby connections)	1
Metrolink (with restrictions)	1
Metrolink commuter rail	1
Metrolink network	1
Southern California passenger rail network	1
Southern California regional rail system	1

How this entity was disambiguated

This entity first appeared as the object of triple T1756141 — 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: Metrolink (Southern California)
Context triple: [Metro Rail (Los Angeles), connectsWith, Metrolink (Southern California)]

A. Metrolink
Metrolink is the light rail tram system serving Greater Manchester, England, connecting central Manchester with surrounding towns and key destinations across the metropolitan area.
B. Metrolink Inland Empire–Orange County Line
The Metrolink Inland Empire–Orange County Line is a Southern California commuter rail route connecting cities in the Inland Empire with destinations in Orange County and beyond.
C. Metrolink Ventura County Line
Metrolink Ventura County Line is a Southern California commuter rail route connecting Los Angeles with Ventura County communities, including Oxnard.
D. Metrolink San Bernardino Line
The Metrolink San Bernardino Line is a Southern California commuter rail route connecting San Bernardino and surrounding Inland Empire communities with downtown Los Angeles.
E. Metrolink 91/Perris Valley Line
Metrolink 91/Perris Valley Line is a Southern California commuter rail route connecting Los Angeles with Riverside and the Perris Valley, providing regional passenger service through the Inland Empire.
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: Metrolink (Southern California)
Target entity description: Metrolink (Southern California) is a regional commuter rail system serving Los Angeles and surrounding counties, providing longer-distance transit connections across the Greater Los Angeles area.

A. Metrolink
Metrolink is the light rail tram system serving Greater Manchester, England, connecting central Manchester with surrounding towns and key destinations across the metropolitan area.
B. Metrolink Inland Empire–Orange County Line
The Metrolink Inland Empire–Orange County Line is a Southern California commuter rail route connecting cities in the Inland Empire with destinations in Orange County and beyond.
C. Metrolink Ventura County Line
Metrolink Ventura County Line is a Southern California commuter rail route connecting Los Angeles with Ventura County communities, including Oxnard.
D. Metrolink San Bernardino Line
The Metrolink San Bernardino Line is a Southern California commuter rail route connecting San Bernardino and surrounding Inland Empire communities with downtown Los Angeles.
E. Metrolink 91/Perris Valley Line
Metrolink 91/Perris Valley Line is a Southern California commuter rail route connecting Los Angeles with Riverside and the Perris Valley, providing regional passenger service through the Inland Empire.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	commuter rail system ⓘ public transportation system ⓘ regional rail system ⓘ
connectsWith	Amtrak Pacific Surfliner ⓘ linked to: Amtrak California Amtrak intercity services ⓘ linked to: Amtrak Los Angeles Metro Rail ⓘ
country	United States of America ⓘ
electrification	non-electrified ⓘ
fareSystem	zone-based fares ⓘ
governedBy	board of directors representing member agencies ⓘ
hasLine	91/Perris Valley Line ⓘ linked to: Metrolink 91/Perris Valley Line Antelope Valley Line ⓘ linked to: Metrolink Antelope Valley Line Inland Empire–Orange County Line ⓘ Orange County Line ⓘ Riverside Line ⓘ San Bernardino Line ⓘ linked to: Metrolink San Bernardino Line Ventura County Line ⓘ
headquarters location	Los Angeles, California ⓘ linked to: Los Angeles, California, United States of America
memberAgency	Los Angeles County Metropolitan Transportation Authority ⓘ Orange County Transportation Authority ⓘ Riverside County Transportation Commission ⓘ San Bernardino County Transportation Authority ⓘ Ventura County Transportation Commission ⓘ
operatedBy	Southern California Regional Rail Authority ⓘ linked to: Metrolink (Southern California)
operator	Southern California Regional Rail Authority ⓘ linked to: Metrolink (Southern California)
ownedBy	Southern California Regional Rail Authority ⓘ linked to: Metrolink (Southern California)
primaryHub	Los Angeles Union Station ⓘ linked to: Union Station (Los Angeles)
provides	bicycle accommodation on trains ⓘ park-and-ride access ⓘ
purpose	provide regional commuter rail connections ⓘ reduce freeway congestion in Southern California ⓘ
region	Southern California ⓘ
safetySystem	Positive Train Control ⓘ
serves	Greater Los Angeles area ⓘ linked to: Greater Los Angeles Area Los Angeles County ⓘ Orange County, California ⓘ Riverside County, California ⓘ linked to: Riverside County San Bernardino County, California ⓘ linked to: San Bernardino County Ventura County, California ⓘ linked to: Ventura County
serviceType	long-distance commuter service ⓘ
ticketing	mobile ticketing ⓘ paper tickets ⓘ
trackGauge	standard gauge ⓘ
transitType	commuter rail ⓘ
uses	bi-level passenger coaches ⓘ diesel locomotives ⓘ
website	https://metrolinktrains.com ⓘ

How these facts were elicited

Referenced by (99)

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

Metro Rail (Los Angeles) → connectsWith → Metrolink (Southern California) ⓘ

subject linked to: Metro Rail

Metrolink (Southern California) → operator → Southern California Regional Rail Authority ⓘ

subject linked to: Metrolink commuter rail