Railroads hauled a record number of domestic containers in the second quarter as shippers banked some of the largest savings against truckload in the history of the Journal of Commerce's Intermodal Savings Index.
With Europe gripped by a blistering heatwave, operators on the crucial waterway warn the river may soon be impassable for cargo-laden barges.
Unpredictability in global project cargo routines has put US breakbulk ports under pressure, but has not yet led to congestion.