Economical maintenance for train operation at 300km/h in Sanyo Shinkansen Line

Sanyo Shinkansen started regular operating speeds of 300 kilometers per hour on march in 1997 by new type vehicle(type 500). JR-WEST was working toward achieving regular operating speeds of 300 kilometers per hour in Sanyo Shinkansen Line, and we were currently putting much effort into the development of technologies needed...