Federal-Aid Highway Amendments of 1974

The Federal-Aid Highway Amendments of 1974 was signed into law by President 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.

Long titleAn Act to authorize appropriations for the construction of certain highways in accordance with title 23 of the United States Code, and for other purposes.

Enactedbythe 93rd United States Congress

Public lawPub. L. 93–643

Statutes at Large88 Stat. 2281

Quick facts Long title, Enacted by ...

Federal-Aid Highway Amendments of 1974

Long title	An Act to authorize appropriations for the construction of certain highways in accordance with title 23 of the United States Code, and for other purposes.
Enacted by	the 93rd United States Congress
Citations
Public law	Pub. L. 93–643
Statutes at Large	88 Stat. 2281
Codification
Acts amended	Emergency Highway Energy Conservation Act
Legislative history
Introduced in the Senate by Lloyd M. Bentsen (D‑TX) on August 20, 1974 Committee consideration by Senate Public Works Passed the Senate on September 11, 1974 (85-0) Passed the House on December 16, 1974  Signed into law by President Gerald Ford on January 4, 1975

Close