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In today's liberalized market of passenger railway services are in use trains ranks. Train rank means a level of service that has applied on train. The highest ranks trains are Eurocity and Intercity. Eurocity trains generally connect major cities between at least two countries, while the Intercity trains typically connect important cities in a state. The survey is the standard way to examine passenger's satisfaction. Therefore, this survey has been conducted in the Slovak and Croatian Intercity trains. Analysis of survey results show some strong and some weak points of each operator and the habits and opinions of the passengers. Based on the results of the survey, improvements are necessary in the punctuality, comfort and in providing Wi-Fi services. It is necessary to establish methods for developing services that will bring higher satisfaction of passengers as the final aim. [ABSTRACT FROM AUTHOR]

• Emissions depend more on fleet's structure (age, traction), than the mode itself. • New strict emission limits make road transport the least burdensome transport mode. • Electrification of railway transport is required to make railways the greenest mode. The scope of this work is to prove the strong influence of the real vehicle composition according to its age to the real environmental burden of the evaluated transport mode and calculation of the suitable vehicle fleet composition (share of different age groups, tractions and emission standards) to secure lower emission production (NO x , PM and greenhouse gases) of railway transport. These results represent the current state with regard to the composition of the vehicle fleet of freight carriers in terms of age, type of traction and emission class. The results were reached using data from average fuel consumption of the vehicles considering the specific standardised values of produced emissions. Taking the W- t -W principle into account, these results are surprising, as they contradict the generally declared claims concerning the environmental burden of individual transport modes, when the vehicle fleet's structure influences the generation of emissions more than the transport mode itself. [ABSTRACT FROM AUTHOR]