New York City Subway map

Many transit maps for the New York City Subway have been designed since the subway's inception in 1904. Because the subway was originally built by three separate companies, an official map for all subway lines was not created until 1940, when the three companies were consolidated under a single operator. Since then, the official map has undergone several complete revisions, with intervening periods of comparative stability.

The current New York City Subway diagram was inspired by a design by Massimo Vignelli, originally used by the MTA from 1972 to 1979. This new version was made the official subway map in April 2025, replacing a design derived from a 1979 Michael Hertz Associates map that was commissioned by John Tauranac and the MTA Subway Map Committee. There are also special maps for weekend service changes, and the MTA has previously produced maps for events such as the Mass Transit Super Bowl. There are several privately produced schematics that are available either online or in published form. Other subway map spinoffs exist as well, such as New York City Subway track schematics and maps of proposed expansions of the system.