Abstract：Research purposes: The researches are done on the successful application experience of ETCS-1，including the application of the existing automatic block technology in China to make up the insufficiency of point-continued type train control system and the application of point and continuous information as a whole, for the purposes of improving and optimizing the design and construction of CTCS-2 point-continued type train control system.
Research methods: The analyses are made in details for the difference between traditional train control mode and point -continued train control mode. Aiming at the limitation of track circuits to he train control system of high-speed railway, the point-continued design is presented.
Research results: CTCS-2 point-continued train control system based on track circuits and Balise overcomes the shortages of the existing train control system , which has a great significance to improvement for the development of passenger dedicated line (PDL).
Research conclusions : CTCS-2 point-continued train control system can increase the train control messages between train and ground communication, realize the speed-distance train control mode and improve the traffic efficiency sufficiently.
2007, Vol. 24 
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