US 151 Freeway Conversion Study

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The Wisconsin Department of Transportation, Southwest Region, retained Ayres to provide an analysis of the US 151 corridor between Columbus and Waupun in Dodge County. Services included gathering data, coordinating with agencies, meeting with the public, and performing conceptual engineering analysis to determine the feasibility of converting the four-lane expressway into a freeway.

Services included the following:

  • Agency coordination

  • Public involvement and local official coordination

  • Highway access concepts

  • Local roadway circulation enhancements

  • Safety analysis

  • Land use and corridor mapping

  • Stakeholder surveys, including EMS, school bus, agricultural

  • Freeway conversion report

  • Environmental scan

Project Information

Client's Name

Wisconsin Department of Transportation, Southwest Region


Dodge County, WI

Primary Service

Roadway Design


State + Federal + Tribal