A Division (New York City Subway)

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The A Division, also known as the IRT Division,^[1] is a division of the New York City Subway, consisting of the lines operated with services designated by numbers (1, 2, 3, 4, 5, 6, and 7) and the 42nd Street Shuttle. These lines and services were operated by the Interborough Rapid Transit Company before the 1940 city takeover. A Division cars are narrower, shorter, and lighter than those of the B Division, measuring 8.8 by 51 feet (2.7 by 15.5 meters).^[2]

[edit] List of lines

The following lines are part of the A Division (only services that normally use the line are shown):

IRT Second Avenue Line (closed 1942)
IRT Third Avenue Line (closed 1973)
IRT Sixth Avenue Line (closed 1938)
IRT Ninth Avenue Line (closed 1958)
IRT 42nd Street Shuttle (Template:NYCS S 42nd)
IRT Broadway–Seventh Avenue Line (1 2 3)
IRT Dyre Avenue Line (5)
IRT Eastern Parkway Line (2 3 4 5)
IRT Flushing Line (7)
IRT Jerome Avenue Line (4)
IRT Lenox Avenue Line (2 3)
IRT Lexington Avenue Line (4 5 6)
IRT New Lots Line (3)
IRT Nostrand Avenue Line (2)
IRT Pelham Line (6)
IRT White Plains Road Line (2 5)

[edit] Service history

Numbers were assigned to subway services in 1948:

	Name	North end/type
1	Broadway Express (all times)	Broadway
1	Broadway Local (daytime)	Broadway
2	Seventh Avenue Express (all times)	White Plains Road
3	Seventh Avenue Local (all times)	Lenox Avenue
4	Lexington Avenue Express (all times)	Jerome
5	Lexington Avenue Express (all times but late nights)	White Plains Road
6	Lexington Avenue Local (all times)	Pelham Bay Park
7	Flushing Express (rush hours)
7	Flushing Local (all times)
8	Astoria Local (all times)
9	Dyre Avenue Local (all times)	Shuttle

The 42nd Street Shuttle and Bowling Green Shuttle also provided subway services, and elevated service remained on the Third Avenue Line and Polo Grounds Shuttle.

[edit] References

^ MTA New York City Transit, Employment Opportunities: "During the first phase of the project, NYC Transit installed SONET nodes in the three subway divisions: IRT, BMT, and IND."
^ Second Avenue Subway Draft Environmental Impact Statement, GlossaryPDF (45.6 KiB)

v • d • e New York City Subway

Services	1 • 2 • 3 • 4 • 5 • 6 • 7 • A • B • C • D • E • F • G • J • L • M • N • Q • R • V • W • Z

Shuttles (S)	42nd Street • Franklin Avenue • Rockaway Park

Unused or defunct	8 • 9 • 10 • 11 • 12 • 13 • AA • BB • CC • EE (8 Avenue) • EE (Broadway) • GG • H • HH (Court Street) • HH (Rockaway Park) • JJ • K (Broadway) • K (8 Avenue) • KK • LL • MJ • NX • P • QB • QJ • QT • RJ • RR • T • TT • U • X • Y • JFK Express BMT: 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 Shuttles (S/SS): 63rd Street • Bowling Green • Culver • Grand Street • Other

Capital Construction	7 Subway Extension • Fulton Street Transit Center • Second Avenue Subway

Divisions	A Division (IRT) • B Division (BMT • IND)

Lists	Inter-division connections • Lines • Services • Stations • Terminals • Transfers • Yards

Miscellaneous	Chaining • History • Fares • MetroCard • Nomenclature • Rolling stock • Proposed expansion (1929-1940) • Train of Many Colors

See also: {{NYCS lines}} {{NYCS rolling stock}}