The length of a railway section is regarded as a grade, which is based on its position and responsibility in the railway system. Railway section chief is a person who holds the post of section chief in each train operation section under the Railway Bureau, and belongs to the main leading cadres of railway professional division of labor units. A wide range of responsibilities, basically managing railway-related work in one area or even several areas, with more people in charge.

According to the organizational structure and job classification of the railway system, the level of the railway bureau director is designated as the director level.