US 18/151 Freeway Conversion Study - Environmental information

​Finding of No Significant Impact (FONSI)

Environmental Assessment (EA)

  • View the EA - Complete OR view specific sections in the individual files below:
    • US 18/151 EA
      • Cover page
      • Basic sheets
      • Evaluations
    • US 18/151 EA Exhibits
      • Exhibit 1: Project Location Map
      • Exhibit 2: Preferred Alternative Overview
      • Exhibit 3: Preferred Alternative - Detail
      • Exhibit 4: Alternatives Not Selected
      • Exhibit 5: Noise Receptor Locations
      • Exhibit 6: Level Of Service (LOS) Summary Table
      • Exhibit 7: Roadway Characteristics and Design Notes
    • US 18/151 EA Appendix A thru F
      • Appendix A: Project Initiation and Scoping Letters
        • A1: Project Initiation Letter
        • A2: Agency Scoping Letter
        • A3: Tribal Scoping Letter
      • Appendix B: Traffic Forecasts Report
      • Appendix C: Correspondence
        • Appendix C1: Utility Correspondence
        • Appendix C2: Driftless Area Land Conservancy Correspondence
        • Appendix C3: Local Government Correspondence From – Iowa County
        • Appendix C4: Local Government Correspondence From – Dane County
        • Appendix C5: State Agency Correspondence
        • Appendix C6: Federal Agency Correspondence
        • Appendix C7: Tribal Correspondence
      • Appendix D: Agricultural Impact Statement
      • Appendix E: Section 106 Review Form
      • Appendix F: CPA-1006 Form for NRCS
    • US 18/151 EA Appendix G thru J
      • Appendix G: Conceptual Stage Relocation Plan
      • Appendix H: Indirect and Cumulative Effects Analysis
      • Appendix I: De Minimus Section 4(f)
      • Appendix J: Noise Notification Letters

To make arrangements to view the reports, or to obtain a printed copy, or a copy on CD contact:

Tom Koprowski, WisDOT Project Manager
WisDOT Southwest Region
2101 Wright Street, Madison, WI 53704-2583

There will be a charge for hard copies and CDs. You will be notified of any charges prior to the material being sent.

WisDOT environmental information

WisDOT projects and construction sometimes change the natural environment around a project area. To minimize the effects of road construction and development WisDOT works to reduce change to the natural environment and leads several efforts to restore project areas. View more information about WisDOT environmental processes.