chapter 1 New evolutions for high speed rail line bridge design criteria and corresponding design procedures / chapter 2 Service limit states for railway bridges in new Design Codes IAPF and Eurocodes / chapter 3 Track-bridge interaction problems in bridge design / chapter 4 Controlling track-structure interaction in seismic conditions / chapter 5 Track-structure interaction and seismic design of the bearings system for some viaducts of Ankara-Istanbul HSRL project / chapter 6 Track structure interactions for the Taiwan High Speed Rail project / chapter 7 Track-bridge interaction the SNCF experience / chapter 8 Some experiences on track-bridge interaction in Japan / chapter 9 Numerical methods for the analysis of longitudinal interaction between track and structure / chapter 10 Longitudinal track-bridge interaction for load-sequences / chapter 11 Structural analysis of high speed rail bridge substructures. Application to three Spanish case studies / chapter 12 The Italian experience: two case studies / chapter 13 Rail expansion joints the underestimated track work material? / chapter 14 Dynamic aspects of the high-speed railway bridge across the Hollandsch Diep / chapter 15 Track-structure interaction in long railway bridges / chapter 16 Track-bridge interaction in railway lines: Application to the study of the bridge over the River Moros