page_title: Transportation in Puerto Rico
section_title: Federal restrictions
hierarchical_section_title: Transportation in Puerto Rico / Seaports & harbors / Federal restrictions
caption_attribution_description: English: Map of carrier routes for Puerto Rico due to the Merchant Marine Act of 1920
context_page_description: Transportation in Puerto Rico includes a system of roads, highways, freeways, airports, ports and harbors, and railway systems, serving a population of approximately 4 million year-round. It is funded primarily with both local and federal government funds.
context_section_description: The Merchant Marine Act of 1920 (also known as the Jones Act) prevents foreign-flagged ships from carrying cargo between two American ports (a practice known as cabotage). Because of the Jones Act, foreign ships inbound with goods from Central and South America, Western Europe, and Africa cannot stop in Puerto Rico, offload Puerto Rico-bound goods, load mainland-bound Puerto Rico-manufactured goods, and continue to U.S. ports. Instead, they must proceed directly to U.S. ports, where distributors break bulk and send Puerto Rico-bound manufactured goods to Puerto Rico across the ocean by U.S.-flagged ships.
  Puerto Rican consumers ultimately bear the expense of transporting goods again across the Atlantic and Caribbean Sea on U.S.-flagged ships subject to the extremely high operating costs imposed by the Jones Act. This also makes Puerto Rico less competitive with Caribbean ports as a shopping destination for tourists from home countries with much higher taxes (like mainland states) even though prices for non-American manufactured goods in theory should be cheaper since Puerto Rico is much closer to Central and South America, Western Europe, and Africa.
  The local government of Puerto Rico has requested several times to the U.S. Congress to exclude Puerto Rico from the Jones Act restrictions without success. The most recent measure has been taken by the 17th Legislative Assembly of Puerto Rico through R. Conc. del S. 21. These measures have always received support from all the major local political parties. In 2013 the Government Accountability Office published a report which concluded that "repealing or amending the Jones Act cabotage law might cut Puerto Rico shipping costs" and that "shippers believed that opening the trade to non-U.S.-flag competition could lower costs." The report, however, concluded that the effects of modifying the application of the Jones Act for Puerto Rico are highly uncertain for both Puerto Rico and the United States, particularly for the U.S. shipping industry and the military preparedness of the United States.
caption: Map of Jones Act carrier routes for Puerto Rico.
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