The website of the State of New York's Metropolitan Transportation Authority provides information about all forms of public transport within its area. Full details of all New York City Subway services, including the R-train, are listed.
The R-train route is one of over twenty routes on the New York subway system. The MTA website provides maps for both the entire system and individual lines. Current schedules are available for viewing or download and contain information about fares, transfers and holiday services, as well as a detailed route map. A wide range of maps is available on the MTA site, including "On the Go" maps and schedules for iPhone and iPad.