Others make talk about intermodal rail gaining market share against the trucks.
But only in MEXICO, CANADA, and the US have railroad leadership produced a huge difference
A WOW affect results by investing in selected route corridor vertical height clearance projects and allowing axle loads between 27 and as much as 35 metric tons on the track and bridge infrastructure.
Double stacked container trains are up to 35% to 45% more efficient than the post World War 2 single level container and trailer on flat wagon engineering. It is the economic and engineering that makes this all possible.