47th Street was a station on the demolished IRT Third Avenue Line

IRT Third Avenue Line

The IRT Third Avenue Line, commonly known as the Third Avenue El, was an elevated railway in Manhattan and the Bronx, New York City. Originally operated by an independent railway company, it was acquired by the Interborough Rapid Transit Company and eventually became part of the New York subway...

. It had two levels. The lower level was served by local trains by 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. It was built first. The upper level was built as part of the Dual Contracts and had one track for express trains. The next stop to the north was 53rd Street

53rd Street (IRT Third Avenue Line)

53rd Street was a station on the demolished IRT Third Avenue Line. It had two levels. The lower level was served by local trains and had two tracks and two side platforms. It was built first. The upper level was built as part of the Dual Contracts and had one track for express trains. The next stop...

. The next stop to the south was 42nd Street

42nd Street (IRT Third Avenue Line)

42nd Street was an elevated station on the IRT Third Avenue Line in New York City. It had two levels with the lower level having three tracks. The main line tracks were served by two side platforms. A side platform connected to the southbound platform for shuttle service to Grand Central...

. The station closed on May 12, 1955.