The schedule followed a 20-month timeframe. Public drafts of the US 93 Polson-Somers Corridor Study and Access Management Plan were available for public review beginning in July 2025 through September 2025. All work was completed by October 2025.
US 93 Polson-Somers Corridor Study - Schedule
Links
Overview
Study Area
Schedule
Documents
Frequently Asked Questions
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Use MDT’s commenting form to submit a comment about this study. Please select US 93 Polson-Somers Corridor Study in the “Commenting on a project or activity?" drop down.
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Contacts
Sarah Nicolai, PE PTP
Robert Peccia & Associates (RPA)
Consultant Project Manager
3147 Saddle Drive
Helena, MT 59601
406-447-5038 |
Jackson Lang
Montana Department of Transportation (MDT)
MDT Project Manager
2701 Prospect Ave
PO Box 201001
Helena, MT 59620
406-447-3246 |