The 125th Street station was an express station on the demolished IRT Third Avenue Line in Manhattan, New York City as part of the extension of the Third Avenue Line north of 67th Street. It opened on December 30, 1878, and had three tracks and two levels. The lower level was built first and had two tracks and two side platforms for local trains. The upper level, built as part of the Dual Contracts, had one track and two side platforms for express trains. Simultaneously during the dual contracts period, IRT also expanded the

Lexington Avenue Subway 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 H ...

which included a station one block west of the el station. This station closed on May 12, 1955, with the ending of all service on the Third Avenue El south of 149th Street.NYCTA Notice of Third Avenue Rail Closure for May 12, 1955
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References

* * IRT Third Avenue Line stations Railway stations closed in 1878 1878 establishments in New York (state) 1955 disestablishments in New York (state) Former elevated and subway stations in Manhattan Third Avenue East Harlem Railway stations in the United States closed in the 1870s Railway stations in the United States closed in 1955 {{Manhattan-railstation-stub