1 train (IRT Broadway–Seventh Avenue Line)

E152819

New York City Subway service rapid transit service

The 1 train is a New York City Subway service running along the IRT Broadway–Seventh Avenue Line, providing local service through Manhattan and into the Bronx.

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All labels observed (6)

Label	Occurrences
New York City Subway 1 train	7
1 (Broadway–Seventh Avenue Local)	1
1 train (IRT Broadway–Seventh Avenue Line) canonical	1
New York City Subway 1 train (nearby at 231st Street and 238th Street)	1
New York City Subway 1 train at 181st Street	1
New York City Subway 1 train at Van Cortlandt Park–242nd Street	1

How this entity was disambiguated

This entity first appeared as the object of triple T1164614 — 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: 1 train (IRT Broadway–Seventh Avenue Line)
Context triple: [Upper Manhattan, servedBy, 1 train (IRT Broadway–Seventh Avenue Line)]

A. L train
The L train is a New York City Subway service that runs crosstown along 14th Street in Manhattan and through Williamsburg and Bushwick in Brooklyn, known for its heavy ridership and role as a key connector between the boroughs.
B. W train
The W train is a local service of the New York City Subway that runs primarily in Manhattan and Queens, connecting Astoria to Lower Manhattan via the Broadway Line.
C. N train
The N train is a New York City Subway service that runs on the BMT Broadway Line in Manhattan and into Brooklyn, providing both local and express transit.
D. BMT Broadway Line
The BMT Broadway Line is a major New York City Subway trunk line in Manhattan, carrying N, Q, R, and W trains through Midtown and Lower Manhattan via Broadway.
E. New York City Subway B line
The New York City Subway B line is an express service in the IND Sixth Avenue Line that runs through Manhattan and Brooklyn, serving major destinations including Yankee Stadium in the Bronx during certain times.
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: 1 train (IRT Broadway–Seventh Avenue Line)
Target entity description: The 1 train is a New York City Subway service running along the IRT Broadway–Seventh Avenue Line, providing local service through Manhattan and into the Bronx.

A. L train
The L train is a New York City Subway service that runs crosstown along 14th Street in Manhattan and through Williamsburg and Bushwick in Brooklyn, known for its heavy ridership and role as a key connector between the boroughs.
B. W train
The W train is a local service of the New York City Subway that runs primarily in Manhattan and Queens, connecting Astoria to Lower Manhattan via the Broadway Line.
C. N train
The N train is a New York City Subway service that runs on the BMT Broadway Line in Manhattan and into Brooklyn, providing both local and express transit.
D. BMT Broadway Line
The BMT Broadway Line is a major New York City Subway trunk line in Manhattan, carrying N, Q, R, and W trains through Midtown and Lower Manhattan via Broadway.
E. New York City Subway B line
The New York City Subway B line is an express service in the IND Sixth Avenue Line that runs through Manhattan and Brooklyn, serving major destinations including Yankee Stadium in the Bronx during certain times.
F. None of above. chosen

Statements (61)

Predicate	Object
instanceOf	New York City Subway service ⓘ rapid transit service ⓘ
boroughServed	Manhattan ⓘ The Bronx ⓘ
color	red ⓘ
division	IRT ⓘ
electrification	600 V DC third rail ⓘ
gauge	standard gauge ⓘ
lineUsed	IRT Broadway–Seventh Avenue Line ⓘ linked to: New York City Subway IRT Broadway–Seventh Avenue Line
northernTerminus	Van Cortlandt Park–242nd Street ⓘ
operator	New York City Transit Authority ⓘ
owner	Metropolitan Transportation Authority ⓘ
rollingStockType	A Division ⓘ
servesStation	103rd Street ⓘ 116th Street–Columbia University ⓘ linked to: 116th Street–Columbia University subway station 125th Street ⓘ 137th Street–City College ⓘ 145th Street ⓘ 14th Street ⓘ 157th Street ⓘ 168th Street ⓘ 181st Street ⓘ 18th Street ⓘ 191st Street ⓘ 207th Street ⓘ 215th Street ⓘ 231st Street ⓘ 238th Street ⓘ 23rd Street ⓘ 28th Street ⓘ 34th Street–Penn Station ⓘ linked to: 34th Street–Penn Station (Seventh Avenue Line) 50th Street ⓘ 59th Street–Columbus Circle ⓘ 66th Street–Lincoln Center ⓘ 72nd Street ⓘ 79th Street ⓘ 86th Street ⓘ 96th Street ⓘ linked to: West 96th Street Canal Street ⓘ Cathedral Parkway–110th Street ⓘ Chambers Street ⓘ Christopher Street–Sheridan Square ⓘ Dyckman Street ⓘ Franklin Street ⓘ Houston Street ⓘ Marble Hill–225th Street ⓘ Rector Street ⓘ South Ferry–Whitehall Street ⓘ linked to: South Ferry Times Square–42nd Street ⓘ linked to: Times Square–42nd Street subway station Van Cortlandt Park–242nd Street ⓘ
serviceArea	West Side of Manhattan ⓘ northwestern Bronx ⓘ linked to: Northwest Bronx
serviceCharacter	all-local ⓘ
serviceFrequency	local at all times ⓘ
servicePattern	local ⓘ
serviceType	24-hour service ⓘ
sharesTrackageWith	2 train (IRT Broadway–Seventh Avenue Line) between 96th Street and 242nd Street during some service patterns ⓘ
southernTerminus	South Ferry–Whitehall Street ⓘ linked to: South Ferry
symbol	1 ⓘ
system	New York City Subway ⓘ
usesRollingStock	R62A subway cars ⓘ

How these facts were elicited

Referenced by (12)

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

Upper Manhattan → servedBy → 1 train (IRT Broadway–Seventh Avenue Line) ⓘ

Van Cortlandt Park → publicTransitAccess → New York City Subway 1 train at Van Cortlandt Park–242nd Street ⓘ

subject linked to: Van Cortlandt Park, Bronx