One of the nation’s geographic advantages — tens of thousands of miles of coastline and inland waterways — has been minimized by making it off-limits to foreign competition in transportation. This increases transportation costs, which ripple through the production process as a significant portion of the costs of goods. Because of the Jones Act’s costly mandates, less cargo is shipped by water, merchant mariners have fewer jobs, and more cargo is carried by truck, rail and air, which are more environmentally damaging than water transportation. Two of America’s most congested highways, Interstate 95 and Interstate 5, are along the Atlantic and Pacific coasts, respectively. Yet the amount of cargo shipped by water along the coasts and on the Great Lakes is about half the volume of 1960. Since then, railroad freight volume has increased about 50 percent, and volume by intercity trucks — responsible for more than 75 percent of federal highway maintenance costs — has increased more than 200 percent.
A hog farmer in North Carolina purchases corn feed from Canada rather than Iowa because delivery costs make the Iowa corn uncompetitive. A Hawaiian rancher flies cattle to West Coast feedlots and slaughterhouses to avoid Jones Act shipping costs. Although the United States is the world’s second-largest producer of rock salt, Maryland and Virginia buy theirs for winter use from Chile because of Jones Act shipping costs.
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