The formal efforts to develop what became the U.S. Numbered Highway System began at the annual 1924 meeting of the American Association of State Highway Officials (AASHO) in San Francisco. It was at this venue that the association approved a resolution called on the U.S. secretary of Agriculture (USDA was the “umbrella” department for the... Continue Reading →

In October 1930, ceremonies were held at the boundary between Iowa and Minnesota to commemorate the completion of the paved section of U.S. Route 65 (US 65) crossing both states. US 65 was one of the routes of the United States United States Numbered Highway System to be approved by the American Association of State... Continue Reading →

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