The NAFTA superhighway is a term sometimes used to refer to certain existing and proposed highways. The beliefs associated with this appellation have been characterized as a part of theories of a conspiracy to undermine U.S. sovereignty.

Those highways part of the NASCO Corridor

North American SuperCorridor Coalition

150px|right|"NASCO project logo depicting the three associated countries' flag iconography as a singular element."The North America's Corridor Coalition is a non-profit organization that seeks to develop an international multi-modal transportation system along the International Mid-Continent Trade...

, including Interstate 35

Interstate 35

Interstate 35 is a north–south Interstate Highway in the central United States. I-35 stretches from Laredo, Texas, on the U.S.-Mexico border to Duluth, Minnesota, at Minnesota Highway 61 and 26th Avenue East. Many interstates used to have splits or spurs indicated with suffixed letters , but I-35...

, Interstate 29

Interstate 29

Interstate 29 is an Interstate Highway in the Midwestern United States. I-29 runs from Kansas City, Missouri, at a junction with Interstate 35 and Interstate 70 to the Canadian border near Pembina, North Dakota, where it connects with Manitoba Highway 75 via the short Manitoba Highway 29.-Route...

, and Interstate 94

Interstate 94

Interstate 94 is the northernmost east–west Interstate Highway, connecting the Great Lakes and Intermountain regions of the United States. I-94's western terminus is in Billings, Montana at a junction with Interstate 90; its eastern terminus is the U.S...

, along the CANAMEX Corridor

CANAMEX Corridor

The CANAMEX corridor is a corridor linking Canada to Mexico through the United States. The corridor was established under the North American Free Trade Agreement.Currently the corridor is defined by a series of highways...

 are often referenced among the existing highways. The term is also sometimes used to describe planned, or proposed highways and supercorridor

Supercorridor

A supercorridor is a proposed new type of transportation infrastructure in the United States.A supercorridor uses swaths of land up to 1,200 feet wide to carry parallel links of freeways, rails, and utility lines. The freeway portions are divided into two separate elements: truck lanes and lanes...

s which connect the road systems of the three nations of the North American Free Trade Agreement

North American Free Trade Agreement

The North American Free Trade Agreement or NAFTA is an agreement signed by the governments of Canada, Mexico, and the United States, creating a trilateral trade bloc in North America. The agreement came into force on January 1, 1994. It superseded the Canada – United States Free Trade Agreement...

 (NAFTA) trade bloc

Trade bloc

A trade bloc is a type of intergovernmental agreement, often part of a regional intergovernmental organization, where regional barriers to trade, are reduced or eliminated among the participating states.-Description:...

 (Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

, Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

, and the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

).

Proposed or planned highways and supercorridors referred to as NAFTA superhighways include the Trans-Texas Corridor

Trans-Texas Corridor

The Trans-Texas Corridor was a transportation network that was discontinued in the planning and early construction stages in the U.S. State of Texas. The network, as originally envisioned, would have been composed of a network of supercorridors up to wide to carry parallel links of tollways,...

, the International Mid-Continent Trade Corridor

International Mid-Continent Trade Corridor

The International Mid-Continent Trade Corridor is a supercorridor linking highways in Mexico, the United States, and Canada. The North American SuperCorridor Coalition promotes and lobbies for further development of the corridor...

 and the proposed I-69 highway extension to Mexico through Texas.

Organizations supporting supercorridors include the North American SuperCorridor Coalition

North American SuperCorridor Coalition

150px|right|"NASCO project logo depicting the three associated countries' flag iconography as a singular element."The North America's Corridor Coalition is a non-profit organization that seeks to develop an international multi-modal transportation system along the International Mid-Continent Trade...

 and the North American Forum on Integration

North American Forum on Integration

The North American Forum on Integration , also known as Le Forum sur l'Intégration Nord-Américaine or Foro sobre la Integración NorteAmericana , is a North American think tank based in Montreal, Quebec that advocates closer ties between Canada, Mexico, and the United States, including a common...

.

See also

• Continental One
• North American Union
  North American Union
  The North American Union is a theoretical economic union, in some instances also a political union, of Canada, Mexico, and the United States...
  
  
• Security and Prosperity Partnership of North America
  Security and Prosperity Partnership of North America
  The Security and Prosperity Partnership of North America was a region-level dialogue with the stated purpose of providing greater cooperation on security and economic issues. The Partnership was founded in Waco, Texas on March 23, 2005 by Paul Martin, Prime Minister of Canada, Vicente Fox,...
  
  
• U.S. Route 62
  U.S. Route 62
  U.S. Route 62 runs from the US-Mexico border at El Paso, Texas to Niagara Falls, New York, near the United States-Canada border. It is the only east-west US Route that connects Mexico and Canada.Parts of U.S...
  
  
• Free Trade Agreement of the Americas