An atlantic ship could immediately start unloading without waiting for their turn through the canal, it could be a speed advantage because that ship is now read

An atlantic ship could immediately start unloading without waiting for their turn through the canal, it could be a speed advantage because that ship is now ready to turn around and get another load. Those containers don't have to be loaded directly onto a train, they would likely get unloaded into a yard. This sort of transport is used to complicated logistics, it wont' take long to get ironed out