Domestic shipping industry of United States is further divided into inland and coastwise. The coastwise traffic, on the other hand, is comprised of Great Lakes, strictly coastwise, and intercoastal. The shipping activities of the United States crucially depend on the economic, political, social, and many other natural conditions of the country.
The coastwise trade is very popular in the United States. All domestic ports of the United States are linked through the coastwise trade. It also involves shipping between continental US and Hawaii, Alaska, and Puerto Rico.
Domain of US Shipping Industry: An Overview:
The shipping industry of the United States performs multiple functions. Shipbuilding, vessel operations, shipping, port operations, and the like come under the purview of US shipping industry. As an agency of the US Department of Transportation, the Maritime Administration also takes care of the merchant marine, vessels, ships, and commercial mariners.