The Inter-American Highway (IAH) is the Central American section of the Pan-American Highway and spans 5,470 kilometers (3,400 mi) between Nuevo Laredo, Mexico, and Panama City, Panama. == History == The idea of a road being built across all of Central America became a tangible goal in 1923 as the United States began conducting aerial surveys using the United States Army new photo reconnaissance and photographic aerial mapping technology.
The Inter-American Highway (IAH) is the Central American section of the Pan-American Highway and spans 5,470 kilometers (3,400 mi) between Nuevo Laredo, Mexico, and Panama City, Panama. == History == The idea of a road being built across all of Central America became a tangible goal in 1923 as the United States began conducting aerial surveys using the United States Army new photo reconnaissance and photographic aerial mapping technology.
Source: Wikipedia "Inter-American Highway" · CC BY-SA 4.0
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