Development of logistic services in rail transport

An important factor for the safe operation of the high speed railway lines is proper choice of turnouts and their drives. The article includes information about presently used turnouts on the CMK Central Trunk Line together with their classification in regards of switch machine applied. New challenges were identified which manufacturers of superstructure and certification bodies have to cope. Technologies increasing the quality of turnouts as sold were discussed as well as parameters defining their technical availability and maintainability. The authors presented a proposal of remote diagnostics allowing undertaking the preventive or corrective actions in right time.