However, because the train-cars and facilities used are for Shinkansen, the trains running on these lines are handled as general 'limited express' and an extra ticket for the limited express must be purchased in addition to an ordinary ticket to ride them.
しかし車両や設備は新幹線のものであるため、同線を走る列車は一般の「特別急行列車」扱いとされ、乗車の際に特別急行券を乗車券の他に要する。