MetroLink light rail

E34297

light rail transit system passenger rail system public transportation system

MetroLink light rail is the bi-state light rail transit system serving the Greater St. Louis area, providing regional passenger rail service across parts of Missouri and Illinois.

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All labels observed (9)

Label	Occurrences
MetroLink	33
MetroLink (St. Louis)	12
MetroLink light rail canonical	10
MetroLink (St. Louis) system	5
St. Louis MetroLink	3
MetroLink via Forest Park–DeBaliviere station	2
MetroLink (Union Station stop)	1
MetroLink light rail system	1
MetroLink lines	1

How this entity was disambiguated

This entity first appeared as the object of triple T90048 — 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 light rail
Context triple: [St. Louis, Missouri, United States, servedByTransitSystem, MetroLink light rail]

A. MAX Light Rail
MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
B. Metra
Metra is the commuter rail system serving the Chicago metropolitan area, operating extensive routes that connect the city with its surrounding suburbs.
C. VTA light rail
VTA light rail is a light rail public transit system serving Santa Clara County, including cities such as San Jose, operated by the Santa Clara Valley Transportation Authority.
D. Metrolink tram network
The Metrolink tram network is Greater Manchester’s light rail system, providing extensive urban and suburban public transport connections across the city region.
E. Huntington Area Rapid Transit
Huntington Area Rapid Transit is the local bus system serving the town of Huntington in Suffolk County, New York.
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 light rail
Target entity description: MetroLink light rail is the bi-state light rail transit system serving the Greater St. Louis area, providing regional passenger rail service across parts of Missouri and Illinois.

A. MAX Light Rail
MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
B. Metra
Metra is the commuter rail system serving the Chicago metropolitan area, operating extensive routes that connect the city with its surrounding suburbs.
C. VTA light rail
VTA light rail is a light rail public transit system serving Santa Clara County, including cities such as San Jose, operated by the Santa Clara Valley Transportation Authority.
D. Metrolink tram network
The Metrolink tram network is Greater Manchester’s light rail system, providing extensive urban and suburban public transport connections across the city region.
E. Huntington Area Rapid Transit
Huntington Area Rapid Transit is the local bus system serving the town of Huntington in Suffolk County, New York.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	light rail transit system ⓘ passenger rail system ⓘ public transportation system ⓘ
connects	Belleville, Illinois ⓘ Clayton, Missouri ⓘ Downtown St. Louis ⓘ linked to: St. Louis, Missouri, United States East St. Louis, Illinois ⓘ Lambert–St. Louis International Airport ⓘ linked to: St. Louis Lambert International Airport Scott Air Force Base ⓘ University City, Missouri ⓘ
hasAbbreviation	MetroLink ⓘ linked to: MetroLink light rail
hasAccessibility	wheelchair accessible ⓘ
hasCategory	Light rail in the United States ⓘ Rail transport in Illinois ⓘ Rail transport in Missouri ⓘ
hasConnection	MetroBus (St. Louis) ⓘ linked to: Metro Transit (St. Louis) regional bus services in Illinois ⓘ
hasFareSystem	proof-of-payment ⓘ
hasLine	Blue Line ⓘ Red Line ⓘ
hasLocale	Midwestern United States ⓘ United States ⓘ linked to: United States of America
hasNumberOfLines	2 ⓘ
hasOperator	Metro Transit (St. Louis) ⓘ
hasOwner	Bi-State Development Agency ⓘ
hasPowerSupply	electric power ⓘ
hasPrimaryMode	rail ⓘ
hasPrimaryPurpose	airport access ⓘ public transit for commuters ⓘ
hasRegionServed	bi-state St. Louis metropolitan area ⓘ linked to: St. Louis metropolitan area
hasRightOfWay	at-grade ⓘ elevated ⓘ subsurface ⓘ
hasServiceType	regional rail ⓘ urban rail transit ⓘ
hasSystemLength	approximately 46 miles ⓘ
hasTicketing	ticket vending machines at stations ⓘ
hasTrackGauge	standard gauge ⓘ
hasTransitType	light rail ⓘ
isPartOf	Metro Transit (St. Louis) network ⓘ linked to: Metro Transit (St. Louis)
operatedBy	Bi-State Development Agency ⓘ Metro Transit (St. Louis) ⓘ
operatesIn	St. Clair County, Illinois ⓘ St. Louis, Missouri ⓘ linked to: St. Louis, Missouri, United States
serves	Greater St. Louis area ⓘ linked to: St. Louis metropolitan area Illinois ⓘ Missouri ⓘ
usesElectrification	overhead catenary ⓘ
usesRollingStock	light rail vehicles ⓘ

How these facts were elicited