Federal-Aid Highway Amendments of 1974
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The Federal-Aid Highway Amendments of 1974 was signed into law by
President of the United States The president of the United States (POTUS) is the head of state and head of government of the United States of America. The president directs the executive branch of the federal government and is the commander-in-chief of the United Stat ...
Gerald Ford Gerald Rudolph Ford Jr. ( ; born Leslie Lynch King Jr.; July 14, 1913December 26, 2006) was an American politician who served as the 38th president of the United States from 1974 to 1977. He was the only president never to have been elected ...
on January 4, 1975. 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 The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. Th ...
. It also established the
Federal Bridge Gross Weight Formula The Federal Bridge Gross Weight Formula, also known as Bridge Formula B or the Federal Bridge Formula, is a mathematical formula in use in the United States by truck drivers and Department of Transportation (DOT) officials to determine the appr ...
as law, which governed the weight-to-length ratio of trucks in order to protect highway bridges and infrastructure.


See also

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Federal-Aid Highway Act The following bills and Acts of Congress in the United States have been known as the Federal-Aid Highway Act or similar names: * Federal Aid Road Act of 1916: July 11, 1916, ch. 241, (first) * Federal Aid Highway Act of 1921 (Phipps Act): Novemb ...
*
Speed limits in the United States Speed limits in the United States are set by each state or territory. States have also allowed counties and municipalities to enact typically lower limits. Highway speed limits can range from an urban low of to a rural high of . Speed limits ...


References

1974 in law United States federal transportation legislation Interstate Highway System Presidency of Gerald Ford {{Interstate-stub