EN
Public transport is one of the most important elements in the development of the economy and the social space in which it is located. Therefore, it is very important for the area to properly organize and plan a smooth and fault-tolerant transport network that will facilitate transport in the area. The paper analyzes the structural - using graph theory - railway network of the Pomeranian Metropolitan Railway to assess its structure in terms of its organizational and functional application. This network is used, inter alia, to co-implement public transport within the Tri-City and Kashubia.