MARS is the train ticket reservation system used by the Japan Railways Group companies and travel agencies in Japan. It was developed jointly by Hitachi Rail and the former Japanese National Railways,
A MR32-type MARS terminal at a JR ticket office in 2015
A Midori no Madoguchi ticket office at Himeji Station in 2009
Preserved MARS-1 mainframe at Railway Museum, Saitama
MR12W-type touchscreen terminal computer with thermal paper printer
Railway Technical Research Institute, or RTRI, is the technical research company under the Japan Railways group of companies.
Railway Technical Research Institute in Kokubunji, Tokyo
JR's first experimental magnetic levitation train, ML100, on display outside RTRI