The website of the Metropolitan Transportation Authority provides a map of its subway system. The map, in PDF format, is available for viewing online or download and shows bus and rail connections to subway services.
The MTA site also provides maps for individual lines, listing stations and interchange points. Maps are also available showing weekend services, service guides, street plans and a comprehensive regional transit guide detailing not only New York subway services, but New Jersey Transit and other local rail services. These maps, along with other MTA travel information, are also available for download to mobile devices. The site provides a wide variety of apps relating to travel in and around New York.