In 1949, Budd built ten prototype stainless steel R11 subway cars for the New York Board of Transportation these were intended for the Second Avenue Subway. In the late 1940s, the Chicago, Burlington and Quincy Railroad sought a way to increase capacity on commuter trains serving Chicago, Illinois, without having to add more cars.
Chicago Union Station charged railroads by the length of each train.īudd proposed coaches that were taller than the typical lightweight passenger car while keeping the streamlined car's length of 85 feet but with double the capacity of cars.
