The 23rd Street station was an express station on the demolished

IRT Third Avenue Line The IRT Third Avenue Line, commonly known as the Third Avenue Elevated, Third Avenue El, or Bronx El, was an elevated railway in Manhattan and the Bronx, New York City. Originally operated by the New York Elevated Railway, an independent rai ...

Manhattan Manhattan ( ) is the most densely populated and geographically smallest of the Boroughs of New York City, five boroughs of New York City. Coextensive with New York County, Manhattan is the County statistics of the United States#Smallest, larg ...

New York City New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...

. It had two levels. The lower level was served by local trains and had two tracks and two

side platform A side platform (also known as a marginal platform or a single-face platform) is a platform positioned to the side of one or more railway tracks or guideways at a railway station, tram stop, or transitway. A station having dual side platforms, ...

s. It was built first. The upper level was built as part of the

Dual Contracts The Dual Contracts, also known as the Dual Subway System, were contracts for the construction and/or rehabilitation and operation of rapid transit lines in the New York City, City of New York. The contracts were signed on March 19, 1913, by the ...

and had one track with two side platforms and served express trains. 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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* * IRT Third Avenue Line stations Railway stations in the United States opened in 1878 1878 establishments in New York (state) 1955 disestablishments in New York (state) Former elevated and subway stations in Manhattan Third Avenue 23rd Street (Manhattan) Railway stations in the United States closed in 1955 {{Manhattan-railstation-stub