151st 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 2 levels. The lower level 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 and served local trains. The upper level was built as part of the Dual Contracts and had one track that served express trains. The next stop to the north was 155th Street

155th Street (IRT Ninth Avenue Line)

155th Street was an elevated railway station in New York City which was in use from 1870 until 1958, serving as the north terminal of the Ninth Avenue Line from its opening until 1918 and then as a southern terminal of a surviving stub portion from 1940 until its closure.- History :The Ninth Avenue...

. The next stop to the south was 145th Street

145th Street (IRT Ninth Avenue Line)

145th Street was a station on the demolished IRT Ninth Avenue Line. It had 2 levels. The lower level was built first and had 2 tracks and 2 side platforms and served local trains. The upper level was built as part of the Dual Contracts and had 1 track and 2 side platforms over the local tracks that...

. The station closed on June 11, 1940.