New york subway map pdf. The mayor of new york city rode the subway last week and it was a big deal. Many transit maps for the new york city subway have been designed since the subways inception in 1904. Opened in 1904 the new york city subway is one of the worlds oldest public transit systems one of the worlds most used metro. 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.