The thesis considered the design process of the public railway infrastructure from the initiative to launch investment to obtain a building permit or acquiring the right for execution. The thesis taken into consideration related legislation in the field of construction works in the field of spatial planning, environmental protection, as well as in the field of railway infrastructure. It is presentation of interdisciplinarity of design profession and specifics of the design process for railway infrastructure. It also describes the differences in the design documentation according to the type of the facility and the type of construction, as well as the specifics of the location itself. The topic is also presented in two substantive different cases: the design process for newbuilding and design process for maintenance work of public benefit.