I-43 at National Avenue Study - Milwaukee County

View the four concepts.

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Study Overview | Concepts | Public Input | Contact

Study Overview

The Wisconsin Department of Transportation (WisDOT) is conducting a planning and environmental linkages (PEL) study exploring potential changes to the vicinity of the I-43 National Avenue Interchange in Milwaukee County. The purpose of this study is to evaluate alternatives that address safety and operational conditions and better connect the surrounding area. This study is a response to community calls to address safety at the ramps and better connect the area.

Study timeline, explored community vision in fall 2025, gathered feedback on concepts in spring 2026, and will share study results in Fall 2026

Concepts

Based on the purpose and need and initial community feedback, WisDOT developed four concepts for potential changes to the interchange.

​​Public Input

Thank you for attending the second public involvement meeting! The online comment form is open until July 10, 2026!
The open-house style meeting held June 3, 2026, featured the following materials about four concepts for potential changes to the interchange.​

Comment Form


Missed the meeting? Review the materials above and submit your comments. A physical version is also available to print. The comment form, which asks what you like and do not like about each potential concept, will be open until July 10, 2026.​

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Contact

Join our contact list to receive email updates.

Jason Dahlgren
WisDOT Project Manager
(414) 750-3278
jason.dahlgren@dot.wi.gov

Dan Sellers
WisDOT Communications Manager
(262) 548-6702
daniel.sellers@dot.wi.gov

Wisconsin Department of Transportation Southeast Region
141 NW Barstow Street
P.O. Box 798
Waukesha, WI 53167-0798

Phone: (262) 548-5902
Fax: (262) 548-5662
WI Telecommunications Relay System (TTY): 711

ser.dtsd@dot.wi.gov