Emilie Meyer
The Pan-American Highway is a vast network of highways that connects North America and South America, stretching from the Arctic north of Alaska to the southern tip of Argentina. The highway covers a distance of approximately 19,000 miles (30,600 kilometres), passing through diverse landscapes, including cities, jungles, deserts, and mountains. While there is no single road that is officially designated as the Pan-American Highway in the United States or Canada, it incorporates existing interstate highways and the Canadian National Highway System. The highway is not fully continuous, with the most notable interruption being the Darien Gap, a 60-mile stretch of undeveloped swampland and forest between Panama and Colombia, which poses environmental, safety, and political challenges to its completion.
| Characteristics | Values |
|---|---|
| Total length | 19,000 miles (30,600 kilometers) |
| Countries | Canada, North America, Mexico, Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, Panama, Suriname, Guyana, Brazil, Venezuela, Colombia, Ecuador, Peru, Chile, Argentina, Bolivia, and Uruguay |
| Starting point | Prudhoe Bay, Alaska |
| End point | Ushuaia, Argentina |
| Route options | Winnipeg-Minneapolis-Dallas or Calgary-Billings-Denver-Albuquerque |
| Exceptions | Darien Gap, a 60-mile stretch of undeveloped swampland and forest between Panama and Colombia |
| Construction began | 1923 |
| Opened for traffic | 1963 |
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What You'll Learn
The Pan-American Highway is nearly 19,000 miles long
The Pan-American Highway is a massive network of roads that spans almost 19,000 miles from the northernmost point of North America in Prudhoe Bay, Alaska, to the southernmost tip of South America in Ushuaia, Argentina. It is the longest highway in the world and passes through diverse landscapes, including cities, jungles, deserts, and mountains. The highway connects two continents and over a dozen countries, including Canada, Mexico, Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, Panama, Colombia, Ecuador, Peru, Chile, and Brazil.
The highway is not a single continuous road but a web of interconnected routes with multiple variations and routes. It incorporates pre-existing highways and roadways in the countries it passes through, and no single road in the United States or Canada is officially deemed as the Pan-American Highway. The official route of the Pan-American Highway through Mexico, for example, is known as the Inter-American Highway, which stretches from Nuevo Laredo, Mexico, to Panama City.
The construction of the Pan-American Highway was first discussed at the First Pan-American Conference in 1889, but it was not until the 1920s that the project gained momentum due to the increasing influence of the automobile. In 1923, the construction of a highway was proposed at the Fifth International Conference of American States, and the first conference specifically regarding the construction of the highway was held in Buenos Aires in 1925. Finally, in 1937, the "Convention on the Pan-American Highway" was signed, creating an official agreement among nations for the speedy construction of the highway.
Despite its immense length and the fact that it remains technically incomplete due to the Darién Gap, the Pan-American Highway is an important transportation network and a symbol of the connections between American nations. It serves as a vital route for the movement of people, agricultural products, manufactured goods, and natural resources. Additionally, the highway has become a popular route for travellers seeking to explore the diverse cultures and vistas of the Americas, offering access to beaches, national parks, and historical sites.
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It spans from Alaska to Argentina
The Pan-American Highway is a vast network of interconnected roadways that spans nearly 30,600 kilometres (19,000 miles) from the Arctic north of Alaska to the southern tip of Argentina. It is considered the "ultimate road trip", taking travellers through over a dozen countries, including Canada, Mexico, Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, Panama, Colombia, Ecuador, Peru, Chile, and Bolivia. The highway passes through diverse landscapes, including cities, jungles, deserts, and mountains, and serves as a vital route for tourism, trade, and international relations.
The highway was originally conceived in 1923 as a single route, but it evolved to include numerous designated highways in participating countries. Construction began in 1937 after the signing of the Convention on the Pan-American Highway, with Mexico completing its roads in 1950 and the entire highway officially opening for continuous traffic in 1963. However, the highway remains incomplete in a small section of Panama known as the Darién Gap, a treacherous and environmentally sensitive area that travellers typically bypass by boat or plane.
The route of the Pan-American Highway is flexible, with multiple options and variations. Starting in Prudhoe Bay, Alaska, travellers head south to Edmonton, Canada, and then choose between two routes: the Winnipeg-Minneapolis-Dallas route or the Calgary-Billings-Denver-Albuquerque route. Both routes converge in San Antonio, Texas, from where the highway continues into Mexico through Monterrey and Mexico City.
From Mexico City to the border with Guatemala, the highway follows Mexican Federal Highway 190. The Pan-American Highway then continues southeast as Mexico Highway 190 towards the village of Juchitán de Zaragoza. After bypassing the Darien Gap, the highway continues through South America, passing through Colombia, Ecuador, Peru, Chile, and finally Argentina, ending in the southernmost city of Ushuaia.
The Pan-American Highway is not only the longest highway in the world but also a symbol of the connections between American nations. It has played a significant role in promoting economic cooperation and cultural exchange, hosting international events such as the Pan-American Games. The highway represents the culmination of decades of negotiations, policies, and ideas, reflecting the enduring "missionary impulse to connect the hemispheres".
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The highway passes through over a dozen countries
The Pan-American Highway is a vast network of highways that connects North America and South America. It is nearly 30,600 kilometres (19,000 miles) long, making it the world's longest road. The highway passes through over a dozen countries, including:
- Canada
- The United States
- Mexico
- Guatemala
- El Salvador
- Honduras
- Nicaragua
- Costa Rica
- Panama
- Colombia
- Ecuador
- Peru
- Chile
- Argentina
The highway also passes through Suriname, Guyana, Brazil, Venezuela, Bolivia, and Uruguay, though it is important to note that the major route of the South American section of the highway stays close to the eastern shore of the continent.
The Pan-American Highway is not a single road but a network of interconnected roadways. It incorporates pre-existing highways in the countries it crosses through, including the Inter-American Highway, which stretches from Mexico to Panama. The highway passes through diverse landscapes, including cities, jungles, deserts, and mountains. It is a vital route for the movement of people, agricultural products, manufactured goods, and natural resources, and it has facilitated international relations and cultural exchange between the countries it passes through.
Despite being nearly continuous, there is one major exception: the Darien Gap. This is a 60-mile (100-kilometre) stretch of undeveloped swampland and forest between Panama and Colombia that remains incomplete. The terrain is treacherous and inhospitable, and it is home to Indigenous peoples who have long opposed any plans to continue construction of the highway. Those seeking to travel the length of the Americas along the Pan-American Highway typically bypass the Darién Gap by boat or plane.
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The highway is not one single route
The Pan-American Highway is a network of roads that crosses the American continent from Alaska to Argentina. It is not a single route but a vast web of interconnected routes, incorporating pre-existing highways in the countries it crosses. The highway is nearly continuous, with the major exception of the Darien Gap, an overland route that stretches about 100 kilometres (60 miles) between Panama and Colombia. The treacherous terrain of the Gap is extremely dangerous to travellers, who are vulnerable to kidnapping or other violence by guerrillas, drug traffickers, and smugglers. Those seeking to travel the length of the Americas on the Pan-American Highway typically bypass the Gap by boat or plane.
The highway was originally conceived in 1923 as a single route, but it grew to include a great number of designated highways in participating countries. The whole system, extending from Alaska and Canada to Chile, Brazil, and the southern tip of Argentina, totals nearly 30,600 kilometres (19,000 miles). The Inter-American Highway, from Nuevo Laredo, Mexico, to Panama City (5,390 kilometres or 3,350 miles), is a part of the Pan-American Highway.
The official route of the Pan-American Highway through Mexico (where it is known as the Inter-American Highway) starts at Nuevo Laredo, Tamaulipas (opposite Laredo, Texas), and goes south to Mexico City along Mexican Federal Highway 85. An alternative route begins at the border crossing between San Diego, California and Tijuana, Baja California. Interstate 5 in the United States connects to Mexican Federal Highway 1 at the busiest international border crossing in the world. The Pan-American Highway continues south to Mexico City along two separate routes: historic Mexican Federal Highway 1 and toll Mexican Federal Highway 1D via the Baja California Peninsula, or Mexican Federal Highway 2 via the mainland.
From Mexico City to the border with Guatemala, the highway follows Mexican Federal Highway 190. From the city of Oaxaca, the Highway continues southeast as Mexico Highway 190 for about 230 kilometres (140 miles) to the village of Juchitán de Zaragoza.
In 1966, the U.S. Federal Highway Administration designated the entire Interstate Highway System as part of the Pan-American Highway System, but this has not been expressed in any of the official interstate signage.
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The Darien Gap makes the highway incomplete
The Pan-American Highway is a vast network of highways that connects North America and South America. It is nearly 19,000 miles long, making it the world's longest road. The highway passes through numerous countries, including Mexico, Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, Panama, Colombia, Ecuador, Peru, Chile, Argentina, Bolivia, and Uruguay.
Despite being a nearly continuous route, the Pan-American Highway remains incomplete due to a small section in Panama known as the Darien Gap. This 60-mile stretch of swampland and forest between Panama and Colombia presents a significant interruption in the highway's path. The treacherous and inhospitable terrain of the Darien Gap is extremely dangerous for travellers, who are vulnerable to various threats such as kidnapping, drug trafficking, and violence perpetrated by guerrillas and smugglers.
The environmentally sensitive rainforests and marshlands of the Darien Gap are home to several Indigenous communities who have long opposed any plans to construct a highway through their territory. Concerns have been raised about the potential negative impacts of a road, including facilitating drug trafficking and illegal immigration. As a result, travellers aiming to traverse the length of the Americas on the Pan-American Highway typically bypass the Darien Gap by alternative means, such as boat or plane.
The absence of a continuous road through the Darien Gap has resulted in a break in the Pan-American Highway, requiring travellers to devise alternative methods to navigate between Panama and Colombia. This interruption underscores the challenges of constructing a contiguous highway through diverse geographical regions and the need to respect the wishes and autonomy of Indigenous communities residing in the area.
In summary, the Darien Gap stands as a notable obstacle that renders the Pan-American Highway technically incomplete. This gap in the road network underscores the complexities of large-scale infrastructure projects and the necessity of considering environmental and cultural factors in their planning.
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Frequently asked questions
The Pan-American Highway is a network of roads that spans around 19,000 miles (30,000 kilometres) from the Arctic north of Alaska to the southern tip of Argentina.
The Pan-American Highway passes through Canada, the United States, Mexico, Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, Panama, Suriname, Guyana, Brazil, Venezuela, Colombia, Ecuador, Peru, Chile, Bolivia, Uruguay, and Argentina.
The Darien Gap is a 60-mile stretch of undeveloped swampland and forest between Panama and Colombia. The Pan-American Highway is interrupted here, as the terrain is treacherous and dangerous, and the area is home to Indigenous peoples who have long opposed any plans to continue construction of the highway.
Yes, an alternative route begins at the border crossing between San Diego, California, and Tijuana, Baja California.
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