Interstate 39 is an interstate highway in the midwestern
United States. It goes from
Normal, Illinois at
Interstate 55 to
Wausau, Wisconsin[?].
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Future plans call for Interstate 39 to be extended north from Wausau to
Merrill, Wisconsin[?] along the
United States Highway 51[?] freeway, which is Interstate standard, but it is not signed as Interstate as of December 2001.