Gov. Scott Walker announced today U.S. 41 has officially been added to the Interstate System as I-41.
Installation of about 3,000 new signs will take place beginning this summer and into November.
The Federal Highway Administration officially approved the interstate designation, a final step in a process begun nearly 10 years ago, according to Walker’s office.
Technically, U.S. 41 will still exist but run concurrently with I-41 for its entire route. It begins at the I-94/U.S. 41 interchange about a mile south of the Wisconsin-Illinois border, follows I-94 north to the Mitchell Interchange, I-894 and U.S. 45 around Milwaukee and then joins U.S. 41 north to Green Bay, where it ends at the I-43 interchange.
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