155th Street are two crosstown streets in the
Harlem and
Washington Heights neighborhood, in the New York City
borough of
Manhattan. It also serves as the border between
Harlem and
Washington Heights neighborhoods of
Manhattan,They are the northernmost of the 155 crosstown streets mapped out in the
Commissioner's Plan of 1811 that established the numbered street grid in Manhattan. The street consists of a "high portion" which is a major artery through the area, as well as a lesser-used "low portion".