Based on the characteristics of medium and high speed urban express lines,combined with the actual needs of Pearl River Delta urban agglomeration and the construction experience of Guangzhou Line 18 and Line 22,this paper studies the adaptability of urban rail transit ATC system and intercity railway CTC2+ATO system.Through the comparison of system performance and function,the intercity express line system of Pearl River Delta is discussed and prospected.
urban express linePearl River Deltasignaling systemmode discussion
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