The movement of cargo on inland and intracoastal waterways by barge. Barges move over 800 million tons of raw materials and finished goods each year just in the network of inland and coastal waterways of the United States. This waterways network is a “super water highway” that is an important part of the intermodal transportation system. Barges directly serve 87% of all major United States cities, accounting for 78% of all domestic waterborne traffic.