Able to bear longer, heavier trains, the tunnel will increase the capacity and speed of both freight and passenger trains.

为了能够承载更长、更重的火车，隧道会增强货运、客运火车的承载量和速度。

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For the past years, the increase in passenger demand, speed of trains, sound proofing, train quietness, size of trucks, freight demand, were expected to increase the severity of crashes.

在过去的几年里，乘客需求不断增加，列车的速度，隔音，列车安静度，卡车的大小，货运的需求，预计会增加事故的严重程度。

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