Introduction
Following the success of previous STECH Symposiums held in Yokohama, Japan (1993), Birmingham, UK (1996), Tokyo, Japan (2003), Chengdu, China (2006), Niigata, Japan (2009) and Seoul, Korea (2012), it was decided to hold the 7th International Symposium on Speed-up and Sustainable Technology for Railway and Maglev Systems (STECH2015) at the Makuhari Messe (International Convention Complex), Chiba, Japan in 2015. This symposium will be held jointly with the Mass-Trans Innovation Japan 2015