50th Street was a station on the demolished IRT Ninth Avenue Line

IRT Ninth Avenue Line

The IRT Ninth Avenue Line, often called the Ninth Avenue El, was the first elevated railway in New York City. It opened in 1868 as the West Side and Yonkers Patent Railway, a cable-hauled line. It ceased operation in 1940....

. It had two levels. The lower level was built first and had two tracks and two side platform

Side platform

A Side platform is a platform positioned to the side of a pair of tracks at a railway station, a tram stop or a transitway. A pair of side platforms are often provided on a dual track line with a single side platform being sufficient for a single track line...

s that served local trains. The upper level was built as part of the Dual Contracts and had one track that served express trains. It closed on July 11, 1940. The next southbound stop was 42nd Street

42nd Street (IRT Ninth Avenue Line)

42nd Street was a station on the demolished IRT Ninth Avenue Line. It had two levels. On the lower level, the local trains stopped, on two tracks serving two side platforms. The upper level was built as part of the Dual Contracts and had one track which carried express trains bypassing the station....

. The next northbound stop was 59th Street

59th Street (IRT Ninth Avenue Line)

59th Street was a station on the demolished IRT Ninth Avenue Line. It had two levels. The lower level was built first and had two tracks and two side platforms that served local trains. The upper level was built as part of the Dual Contracts and had one track that served express trains. It closed...

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