Interstate 43 (abbreviated I-43) is an intrastate interstate highway located entirely within the state of Wisconsin, United States. Its southern terminus is at an intersection with Interstate 39 and Interstate 90 in Beloit, Wisconsin; its northern terminus is in Green Bay, Wisconsin at an intersection with U.S. Highway 41.

I-43 north of Milwaukee was originally planned as a northern section of Interstate 57; it would not have run concurrently with Interstate 94 in between.

Length

Miles	km	state
191.55	308.27	Wisconsin
191.55	308.27	Total *

Major cities

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Bolded cities are officially-designated control cities for signs.

• Beloit
• Milwaukee
• Sheboygan
• Manitowoc
• Green Bay

Intersections with other interstates

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• Interstate 90 in Beloit, Wisconsin
• Interstate 39 in Beloit, Wisconsin
• Interstate 894 in Milwaukee
• Interstate 94 and Interstate 794 in Milwaukee at the Marquette Interchange

References

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• 2005 Rand McNally "The Road Atlas 2005"

External links

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• Interstate lengths from the United States Department of Transportation
• Interstate 43 at Larry's Phat Page

Interstate Highway System | Interstate Highways in Wisconsin