Topic summary
IRT East Side Line
Extracted from the Wikipedia article IRT Lexington Avenue Line.
The IRT Lexington Avenue Line (also known as the IRT East Side Line and the IRT Lexington–Fourth Avenue Line) is one of the lines of the A Division of the New York City Subway, stretching from Lower Manhattan north to 125th Street in East Harlem. The line is served by the 4, 5, 6, and <6> trains.