EXPLORATION ON CONSTRUCTION OF COMMUNICATION NETWORK DURING OPERATION OF URBAN RAIL TRANSIT BY UTILIZING NATIONAL RAILWAYS

Based on the railway operation experiences in home and abroad, it is a reasonable direction to lead the development of an city for running the urban rail transit by utilizing the national railways. The paper expounds the compositions of the communication network system of the national railway and of the urban rail transit respectively, as well as the structure of communication network after the combination of both national railway and urban rail transit. The existing problems and the methods to solve them are discussed also in this paper.