The New York City Subway Lines Project:
Q Train (6th Avenue Express)

The Q Train runs the very edge of Queens to Brighton Beach in Brooklyn. It always runs express in Manhattan and in Brooklyn. It is a part of the Orange Line and while in midtown Manhattan it can be found on 6th Avenue (Avenue of the Americas), thus the name.

Station Information for the Q Train is as follows:

Queens:

21 Street - Queensbridge, 41 Avenue
Wheelchair accessible.
Bus and other connections: Q19A Q66 Q101 Q102 Q103

Roosevelt Island
Wheelchair accessible.
Bus and other connections: Q102 Roosevelt Island Tram

Lexington Av, 63 Street
Wheelchair accessible.
Bus and other connections: M101 M102 M103

57 Street, Av of Americas
Bus and other connections: M5 M7 M30 M31 M57

47-50 Streets - Rockefeller Center, Av of Americas
Transfers: B F D
Bus and other connections: M27 M50

42 Street, Av of Americas
Transfers: 7 B F D
Bus and other connections: M42 M104

34 Street - Herald Sq, Av of Americas
Wheelchair accessible.
Transfers: B F N D R
Bus and other connections: M4 M6 M16 M34 Q32 PATH LIRR Amtrak NJTransit

W 4 Street - Washington Square, Av of Americas
Except late nights.
Transfers: A B C E F D
Bus and other connections: M5 M6 M8 PATH

Broadway - Lafayette St, Houston Street
Except late nights.
Transfers: B F D 6 (6 is Downtown Only )
Bus and other connections: M1 M5 M6 M21

Grand Street, Chrystie St
Except late nights.
Transfers: B D
Bus and other connections: M103

Brooklyn:

DeKalb Av, Flatbush Avenue
Transfers: M N D R
Bus and other connections: B25 B26 B37 B38 B52

Atlantic Avenue, Flatbush Avenue
Transfers: 2 3 4 5 B M N D R
Bus and other connections: B41 B45 B63 B65 B67 LIRR

7 Avenue, Flatbush Av
Bus and other connections: B41 B67

Prospect Park, Empire Blvd Flatbush Av
Transfers: D S
Bus and other connections: B16 B41 B43 B48

Church Av, East 18 St
Transfers: D
Bus and other connections: B35

Newkirk Av, East 16 St
Transfers: D
Bus and other connections: B8

Kings Highway, East 16 St
Transfers: D
Bus and other connections: B2 B7 B31 B82 B100 Kings Plaza via B2 bus

Sheepshead Bay, East 16 St
Transfers: D
Bus and other connections: B4 B36 B49

Brighton Beach, Brighton 6 St
Transfers: D
Bus and other connections: B1 B68