A Division (New York City Subway)

A Division
Technical
Track gauge 4 ft 8 1⁄2 in (1,435 mm)
Minimum radius 147.25 ft (44.88 m)[1]

The A Division, also known as the IRT Division,[2] 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, 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 8.6 by 51 ft (2.6 by 15.5 m).[3]

List of lines

The following lines are part of the A Division (services shown in parentheses; lines with colors next to them are trunk lines):

Station service legend
Stops all times
Stops all times except late nights
Stops late nights only
Stops weekdays only
Stops rush hours only
Stops weekdays in the peak direction only
Time period details

Service history

Numbers were assigned to subway services in 1948:

Name North end/type
1 Seventh Avenue Local Broadway
2 Seventh Avenue Express (all times except late nights) White Plains Road
3 Seventh Avenue Express (all times) Lenox Avenue
4 Lexington Avenue Express (all times except late nights) Jerome
5 Lexington Avenue Express (all times except late nights) White Plains Road
6 Lexington Avenue Local (all times) Pelham Bay Park
7 Flushing Express peak direction (rush hours) Flushing
Flushing Local (all times) Flushing

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

See also

References

  1. ↑ "NYC Minimum Curve Radius". Archived from the original on 18 March 2012.
  2. ↑ 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."
  3. ↑ Second Avenue Subway Draft Environmental Impact Statement, Glossary PDF (45.6 KiB)
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