All eastbound trains have been cancelled due to faulty signals.

【bound】由于信号故障，所有东行列车均已取消。

So if conditions at the canal get worse, shippers might have to use alternate passages like rerouting to the west coast of the U.S. and putting cargo on eastbound trains.

因此，如果运河的情况变得更糟，托运人可能不得不使用替代通道，例如改道至美国西海岸并将货物放在东行列车上。