R11/R34 (New York City Subway car)
 The R11 was a prototype class of experimental New York City Subway cars built by the Budd Company in 1949.Because each one cost more than $100000 the ten R11 cars are frequently referred to as the Million Dollar Train. From 1964 to 1965 the ten R11 cars were overhauled in the Transit Authority's own Coney Island Complex under contract R34. Therefore it is also acceptable to refer to the cars as R34's provided one is referring to them in their post-overhaul state.