Montauk Branch of Long Island Rail Road

E274497

commuter rail line railway line

The Montauk Branch of the Long Island Rail Road is a commuter and seasonal rail line that runs along Long Island’s South Shore, providing key passenger service between New York City and the Hamptons out to Montauk.

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All labels observed (16)

Label	Occurrences
Montauk Branch of Long Island Rail Road canonical	6
Montauk Branch of the Long Island Rail Road	5
Montauk Branch (Long Island Rail Road)	2
Montauk Branch of Long Island Rail Road (nearby stations)	2
Long Island Rail Road Montauk Branch (Southampton station)	1
Long Island Rail Road Montauk Branch (freight only through Glendale)	1
Long Island Rail Road Montauk Branch services	1
Montauk Branch (LIRR)	1
Montauk Branch (diesel territory via Jamaica)	1
Montauk Branch (via Main Line junctions)	1
Montauk Branch main line corridor	1
Montauk Branch main line corridor (Babylon Branch segment)	1
Montauk Branch of the Long Island Rail Road (nearby in Bayport area historically)	1
Montauk Branch of the Long Island Rail Road (nearby stations)	1
Montauk Branch trains	1
served by Montauk Branch of Long Island Rail Road (nearby stations)	1

How this entity was disambiguated

This entity first appeared as the object of triple T2469708 — 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: Montauk Branch of Long Island Rail Road
Context triple: [Hamptons, transportation, Montauk Branch of Long Island Rail Road]

A. Long Island Rail Road Port Jefferson Branch
The Long Island Rail Road Port Jefferson Branch is a commuter rail line on Long Island that runs between western terminals in New York City and the village of Port Jefferson, serving numerous communities along the island’s north shore.
B. Long Island Rail Road Port Washington Branch
The Long Island Rail Road Port Washington Branch is a commuter rail line in New York that runs from Manhattan to Port Washington, serving communities along the North Shore of Long Island.
C. Long Island Rail Road West Hempstead Branch
The Long Island Rail Road West Hempstead Branch is a commuter rail line in Nassau County, New York, providing service between West Hempstead and the broader LIRR network.
D. Long Island Rail Road Atlantic Branch
The Long Island Rail Road Atlantic Branch is a major commuter rail line in New York City that runs between Atlantic Terminal in Brooklyn and eastern Queens, providing key connections to other LIRR lines and transit services.
E. Long Island Rail Road
Long Island Rail Road is a major commuter rail system serving Long Island and parts of New York City, known as one of the busiest and oldest railroads in the United States.
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: Montauk Branch of Long Island Rail Road
Target entity description: The Montauk Branch of the Long Island Rail Road is a commuter and seasonal rail line that runs along Long Island’s South Shore, providing key passenger service between New York City and the Hamptons out to Montauk.

A. Long Island Rail Road Port Jefferson Branch
The Long Island Rail Road Port Jefferson Branch is a commuter rail line on Long Island that runs between western terminals in New York City and the village of Port Jefferson, serving numerous communities along the island’s north shore.
B. Long Island Rail Road Port Washington Branch
The Long Island Rail Road Port Washington Branch is a commuter rail line in New York that runs from Manhattan to Port Washington, serving communities along the North Shore of Long Island.
C. Long Island Rail Road West Hempstead Branch
The Long Island Rail Road West Hempstead Branch is a commuter rail line in Nassau County, New York, providing service between West Hempstead and the broader LIRR network.
D. Long Island Rail Road Atlantic Branch
The Long Island Rail Road Atlantic Branch is a major commuter rail line in New York City that runs between Atlantic Terminal in Brooklyn and eastern Queens, providing key connections to other LIRR lines and transit services.
E. Long Island Rail Road
Long Island Rail Road is a major commuter rail system serving Long Island and parts of New York City, known as one of the busiest and oldest railroads in the United States.
F. None of above. chosen

Statements (46)

Predicate	Object
instanceOf	commuter rail line ⓘ railway line ⓘ
connectsWith	Atlantic Branch ⓘ Babylon Branch ⓘ Main Line (Long Island Rail Road) ⓘ linked to: Long Island Rail Road Main Line
country	United States ⓘ linked to: United States of America
electrification	non‑electrified east of Babylon ⓘ third rail electrification to Babylon ⓘ
followsShoreOf	South Shore of Long Island ⓘ
hasStation	Babylon station ⓘ East Hampton station ⓘ Jamaica station ⓘ linked to: Jamaica Station Montauk station ⓘ Patchogue station ⓘ Southampton station ⓘ
lineColor	pink on LIRR system map ⓘ
lineNumber	Montauk Branch ⓘ
locatedIn	Long Island ⓘ New York State ⓘ linked to: New York
notableService	Cannonball ⓘ
opened	19th century ⓘ
operator	Long Island Rail Road ⓘ Metropolitan Transportation Authority ⓘ
owner	Metropolitan Transportation Authority ⓘ
partOf	Long Island Rail Road ⓘ
primaryUse	passenger service ⓘ
region	South Fork of Long Island ⓘ
seasonalDemand	summer travel to Hamptons ⓘ
serves	Hamptons ⓘ Nassau County ⓘ linked to: Nassau County, New York Queens ⓘ Suffolk County ⓘ linked to: Suffolk County, New York
serviceType	commuter rail ⓘ seasonal rail ⓘ
terminus	Babylon ⓘ East Hampton ⓘ Jamaica ⓘ Long Island City ⓘ Montauk ⓘ Patchogue ⓘ Southampton ⓘ Speonk ⓘ
trackGauge	standard gauge ⓘ
usesRollingStock	diesel locomotives ⓘ diesel multiple units ⓘ electric multiple units ⓘ

How these facts were elicited

Referenced by (27)

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

Hamptons → transportation → Montauk Branch of Long Island Rail Road ⓘ

Village of Southampton → transportAccess → Montauk Branch of Long Island Rail Road (nearby stations) ⓘ