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In the past twenty years Chinese Railway Operation Management System (CR-OMS) has come through fast developing.With the impending inner demand for developing and the outer competition press,Chinese Railway innovates continuously,studies domestic or oversea advanced concept and technology of traffic & transportation line,quickens the steps of information construction.Through a series of planned system construction,Chinese Railway continuously upgrades the total level of OMS,and also gets a great step on intelligent traffic system (ITS).