New York: Historic Bus and Subway Maps

The New York City Subway Resources site nycsubway.org has many historic subway and bus transit maps - most of them in high resolution format.
Some of the maps are dating back to 1888.

Also have a look at their “Subway Art Guide” with a list of over 125 artworks in New York City Subway Stations. Maps, more information on the A-train and other transit train material at the nycsubway.org web site.

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