Add Yahoo as a preferred source to see more of our stories on Google. Electric gantry cranes that will move cargo containers between trucks and trains have been constructed at the S.C. State Ports ...

East Boston, Mass., completed a multi-barge roll-on operation using its 500-ton floating drydock, Providence, to launch two ...

There are several sizes of barges, but the most common, the jumbo hopper barge, is 35 feet wide and 195 feet long. It can hold 1,400 tons of cargo -- as much as 60 semi-trailer trucks or 15 rail cars.