As the Loading gauge (size of the train that can travel on a line) was not altered when the rail gauge was widened, only Shinkansen trains specially built for these routes can travel on the lines. They are the E3 and E6 series trains.
As the Loading gauge (size of the train that can travel on a line) was not altered when the rail gauge was widene.d, only Shinkansen trains specially built for these routes can travel on the lines They are the E3 and E6 series trains.