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Federal-Aid Highway Amendments of 1974


Federal-Aid Highway Amendments of 1974

The Federal-Aid Highway Amendments of 1974 was signed into law by President of the United States Gerald Ford on January 4, 1975.[1] Among other changes, the law permanently implemented a national 55-mph speed limit (which had already been a temporary limit) for the Interstate Highway System. It also established the Federal Bridge Gross Weight Formula as law, which governed the weight-to-length ratio of trucks in order to protect highway bridges and infrastructure.

See also


  1. ^ "A Chronology of Dates Significant in the Background, History and Development of the Department of Transportation".  

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