Dr. techn. Jochen Holzfeind is CTO/COO Fixations Systems at voestalpine Railway Systems GmbH, Austria.Professor Dr.-Ing. Jia Liu is the head of the Institute for Transportation Infrastructure at the Technical University of Darmstadt, Germany.Professor Dr. techn. M.Sc. Ferdinand Pospischil is the head of the Institute for Railway Infrastructure Design at the Graz University of Technology, Austria.