The thesis deals with describing, evaluating, and proposing of possible changes in planning, placement and describing possession activities on railway lines in order to improve transmission and quality of the services provided by the SŽDC. The first chapter describes the environment of rail transport focusing mainly on law and regulations. The second chapter describes the aim of the study, additional category focuses on describing the method of processing of materials. The fifth chapter focuses on selected lines to describe the various closures in specific line sections. Sixth chapter aims on comparison methods of implementation lockout activities on examined lines. The last chapter has to summarize and evaluate results to submit any additional recommendations.