Therefore, JNR's balance fell into the red from 1964 when the Shinkansen line started its operation, and the deficit amount continued increasing after that, and it is said that, as a result, the construction of the Shinkansen line was one the causes of the bankruptcy of JNR.
このから、新幹線の開業した1964年度から国鉄収支は赤字に転落し、以後それは拡大する一方となって、結果的に新幹線建設は国鉄破綻の1つの原因となったと言われる。