The 55 mph (90 km/h) National Maximum Speed Limit was made permanent when Congress enacted and President Gerald Ford signed into law the Federal-Aid Highway Amendments of 1974 on January 4, 1975. [21]

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Media in category "55 mph speed limit road signs in the United States" The following 141 files are in this category, out of 141 total. 09 U.S. Route 6 in Colorado - Garfield County, US Highway System.jpg 3,030 × 2,020; 3.19 MB

SPEED LIMIT 55 MPH Sign 18"X24" 3M Engineer Grade Prismatic Reflective. By Highway Traffic Supply. Only 7 left in stock - order soon.

Sep 23, 2022 · 55 MPH Signs (35457) Control speeders on your freeway but cutting off the driving speed at 55 miles per hour. 55 MPH signs are made from heavy-duty aluminum 3M film and have a 10-year warranty.

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Aug 16, 2011 · Look up the old 55mph speed limit laws that used to be in place. ever heard the song "I can't drive 55". Thats because there was a time where nationally you could drive no faster than 55 mph.

After oil shortages in the 1970s, Congress established a national maximum speed limit of 55 mph. New, federal mandate for speed limits was signed into law by President Richard Nixon, and adopted by every U.S. state in 1974.