I-94 between 70th Street and 16th Street in Milwaukee County

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Project Overview

The Interstate 94 (I-94) East-West project is underway, with construction beginning in late 2025. The project covers approximately 3.5 miles of I-94 between 70th Street and 16th Street in Milwaukee County and includes the Stadium Interchange and five local/service interchanges. As part of the larger I-94 corridor, it connects the major federal and state investments at the Marquette Interchange and the Zoo Interchange.

After many years of study and public outreach, the corridor project is moving forward to final design and construction. Learn more about how this project will modernize the corridor by improving safety, replacing aging infrastructure and reducing congestion.

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What’s Happening Now on I-94?

The Federal Highway Administration (FHWA) signed the Supplemental Final Environmental Impact Statement/Record of Decision, which announced the agency’s final decision and approval to reconstruct the I-94 East-West Corridor to an eight-lane freeway with design and safety improvements. With the March 2024 FHWA Record of Decision, the project can move to final design and construction with federal funding.

Thank you to everyone who attended the March 18th and 19th I-94 East-West public involvement meetings.

This rendered image shows WisDOT's redesigned concept for the Stadium Interchange, which includes a diverging diamond interchange (DDI). I-94 travels over WIS 175/Brewers Boulevard, and the highest point of the DDI matches the existing interchange elevation. Find detailed design here.

Four people having a discussion over a model of the I-94 project.

WisDOT has a scale model of the I-94 East-West project complete with miniature road signs, homes and landmark buildings that surround the corridor. The model also shows the diverging diamond Stadium Interchange. The model helps viewers visualize how the corridor will look and operate when construction is completed.

The underside of a bridge over I-94 with deteriorating concrete.

Built in the early 1960s, the underlying physical condition of I-94 is declining. Bridge conditions have deteriorated from age, heavier-than-expected traffic, road salt and freeze-thaw cycles.

Vehicles driving on I-94 past the Spring Hill Cemetery.

The project will have no adverse effect on historic properties or archaeological resources. Alternatives were designed to stay within existing right-of-way as much as possible to minimize the impact on historic properties and archaeological resources adjacent to I-94.

Project Timeline

The Environmental and Alternatives analysis phase concentrates on developing and refining alternatives to improve the freeway corridor while also considering how the project could benefit or impact the surrounding built and natural environment. The design phase includes refining and finalizing plans and specifications; appraising and acquiring real estate; finalizing cost estimates; planning and coordinating traffic management and incident response with local municipalities, law enforcement, and emergency responders. Construction of utilities and roadways is the most visible phase with construction itself, plus behind the scenes work on contracting, safety, and coordination with local stakeholders.