达速与提速的最终目标是提高旅行速度，缩短旅行时间。
The final targets of them are to increase the travelling speed and to reduce the travelling time.
提高旅客列车运行速度、缩短旅行时间是世界各国铁路亟待解决的问题。
It is urgent to increase the running speed of trains and short travelling time of passengers in the development of railway transportation.
该方案具有通道内客货运营长度短，缩短旅行时间及货物在途时间，降低运营成本等优点。
This scheme has such advantages as short transport distance, reduction of traveling time, and decrease of transport cost.
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