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Inter-American Highway,c.3,400 mi (5,470 km) long, section of the Pan-American HighwayPan-American Highway,
system of roads, c.16,000 mi (25,750 km) long, linking the nations of the Western Hemisphere. It was suggested at the Fifth International Conference of American States (1923) and supported and financed by the United States during the 1940s and 1950s.
..... Click the link for more information. system from Nuevo Laredo, Mexico, to Panama City, Panama. Much of the highway prior to 1941 had been built by the countries concerned, but wartime necessity led the United States to appropriate funds to assist completion. Later work was done by each nation on its own. The highway includes alternate routes and makes use of existing local roads. It is virtually complete, and many sections have been upgraded and paved.
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