OMNY ( OM-nee, short for One Metro New York) is a contactless fare payment system, currently being implemented for use on public transit in the New York metropolitan area. OMNY can currently be used to pay fares at all New York City Subway and Staten Island Railway stations, on all MTA buses, AirTrain JFK, Metro North's Hudson Rail Link, and on the Roosevelt Island Tram; when completely rolled out... Wikipedia