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Historical Interstate photos

Governer Knowles speaks during 1965 ribbon-cutting ceremony.

Wisconsin Governor Warren Knowles speaks during the ribbon-cutting ceremony for the final section of I-94 in Jefferson County on October 27, 1965.

Governor Knowles cuts the ribbon on the final section of I-94.

Wisconsin Governor Warren Knowles cuts the ribbon on the final section of I-94 in Jefferson County on October 27, 1965, creating a continuous 78-mile Interstate route between Madison and Milwaukee.

I-94 under construction in 1963

I-94 under construction west of Oconomowoc in Waukesha County in November 1963. The first section of Interstate highway to be completed in Wisconsin was a one-mile segment of I-94 near Johnson Creek in Jefferson County in 1958.

I-94 under construction

I-94 under construction between Hudson and Menomonie in western Wisconsin in October, 1958. A year later (October 29, 1959), a ceremony was held dedicating the 59-mile segment of I-94 between Hudson and Eau Claire. It represented, at that time, the nation's longest single section of Interstate highway to be officially dedicated.

Portage rest area in 1967

Rest area south of Portage along I-90/94 in June of 1967. Wisconsin was one of the first states to provide Interstate rest areas. Currently, Wisconsin is home to 32 rest areas that are widely acclaimed for their amenities and cleanliness.

Telephone pole used as a highway sign

Early Wisconsin highway markers could be found on telephone poles, other roadside posts and culverts.

Two highway signs W15 and W16

Wisconsin pioneered the concept of numbered highways. A 1917 state law creating a State Trunk Highway System included a provision requiring uniform guide and warning signs.

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Last modified: January 6, 2010

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