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1. If a train leave from the central station from 9.00, and it should arrive at the destination at 10.00, since "only one train is assigned to a particular journey at a time", so can we assign another train to set off at 9.10?
回答：This question is very similar to the one in the previous post, I have already answered so please check it.
2.why we need to stop the train remotely, and when the train is stopped remotely, would it be collided by the following train if the train has been parked for a long time?
回答：I am glad to see this question is being asked, good forward thinking! This is to the extend of the future system that the train network may have - Automatic Train Operation (ATO). When ATO is enabled, trains are operated without a driver and are scheduled according to the timetable. This could improve the frequency and reduce the staff needed. Many train network in the real world are ATO. Driver (or other staff on board) can still stop the train in an emergency. Of course, as you mentioned, when ATO is enabled, the safety of the whole system has to be considered.
Again, this is an advanced feature that the system should have--think about how to prioritise the features.
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原文地址：http://www.cnblogs.com/zxysmalleyes/p/5325024.html
