The A Division, also known as the IRT Division, 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.
Divisi A, juga dikenal sebagai Divisi IRT, adalah divisi New York City Subway yang terdiri dari beberapa jalur dengan layanan bernomor (1, 2, 3, 4, 5, 6, 7) dan 42nd Street Shuttle.