Recently, power distributed high-speed train with 430km/h(HEMU-430X) has developed in korea, 2012. However, the development of the train alone can not achieve the speed of high-speed rail system. So it needs the development of infrastructure system. In this paper, the project named “Application & technology development of high-speed rail infrastructure for 400km/h-class” being promoted in december 2010 will be introduced comprehensively.

• 엄기영(한국철도기술연구원 고속철도인프라시스템연구단 연구단장) | Eum, Ki Young
• 윤희택(한국철도기술연구원 고속철도인프라시스템연구단 책임연구원) | Yoon, Hee Taek
• 김정환(한국철도기술연구원 고속철도인프라시스템연구단 주임연구원) | Kim, Jung Hwan