SW Johnson County Interchange

I-35 SW Johnson County Interchange

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The Kansas Department of Transportation along with Johnson County and City of Edgerton officials broke ground on March 16, 2012 for the I-35 and Homestead Lane interchange project in southwest Johnson County. This $33 million project is estimated to provide more than $600 million in economic impact to the region.

Video of the Groundbreaking

Pictures from the Groundbreaking

The Project In A Nutshell

The Kansas Department of Transportation (KDOT) has determined that transportation improvements are needed to handle the growth and economic development occurring in southwest Johnson County. Specifically, the I-35 Southwest Johnson County Interchange at Homestead Lane is necessary to address increasing traffic and support economic development in the region. In addition to the new interchange, a new section of Homestead Lane will be constructed as a paved road from 199th Street north to the intersection of 191st Street as part of this project.

The Homestead Lane location was chosen as the site for the new interchange over other alternatives for the following reasons:

  • It provides the best spacing between the existing Gardner Road and Sunflower Road interchanges
  • It creates the least impacts to air quality, farmland, right-of-way and the surrounding environment
  • It is the least expensive option


KDOT has also selected a Diverging Diamond Interchange (DDI) design as the best solution to manage the volume and type of traffic now and in the future. The DDI will move traffic on Homestead Lane briefly to the opposite side of the road. Click here, to view a video on how the new interchange will work.


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Kansas Department of Transportation

Date last revised: March 21st, 2012