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2006 - the Year of the Interstate

Celebrating 50 years of public safety and economic progress

The Wisconsin Department of Transportation is proud to join transportation agencies throughout the nation in recognizing the 50-year anniversary of the Interstate highway system.

In 1956, President Dwight Eisenhower signed federal legislation that initiated development of what many consider our nation's greatest public works achievement. Today, the U.S. Interstate system stretches some 46,775 miles and serves a crucial economic role in supporting the safe and efficient movement of people and commerce.

Wisconsin has long served as a transportation leader - being the first state to establish a system of numbered state highways, one of the first states to complete construction of its primary Interstate routes, and a national trend-setter when it comes to public involvement in building quality transportation facilities while minimizing environmental impacts.

This Web site provides additional information on the development of Wisconsin's and the nation's Interstate highway system as we celebrate the "Year of the Interstate."

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Last modified: May 23, 2013

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