> If you would have 5 tracks per direction, you can get to a 10 minute slot in between trains, 24 hours a day, which is still not realistic. 10 min slot is sta

> If you would have 5 tracks per direction, you can get to a 10 minute slot in between trains, 24 hours a day, which is still not realistic. 10 min slot is starting to be realistic. But the unloading/reloading is still not realistic. At least, not with current trains and loading cranes. If you could make special purpose rail and cars which hold 4 containers per car (2 side by side, stacked 2 high), you get 4x capacity, now only 2 tracks per direction is enough. Special cranes which could sit above whole ship and unload several containers at once would speed unloading. Such engineering challenge would probably cost as much as original canal, but would not require so much water (water is main bottleneck currently).