Montana Department of Transportation

Draft Analysis Study

• Complete Report including figures/appendices (13 mb)
• Report Only (1.8 mb)



• Figures (1.1 mb)



• Appendix 4a: Public Meeting Comments & Presentations
• Appendix 6a: Sources for Data Elements
• Appendix 6b: Costs Assigned to Geologic Types
• Appendix 6c: MDT Road Design Criteria & Typical Sections
• Appendix 6d: Great Falls South Arterial Environmental Scan
• Appendix 6d-a: Map & Description of Farmland Classification Types
• Appendix 6d-b: Intermountain Seismic Belt
• Appendix 6d-c: Alluvium Geologic Map
• Appendix 6d-d: Great Falls 2007 Consumer Confidence Report
• Appendix 6d-e: Public Water Supplies in Cascade County
• Appendix 7a: Purple Alignment
• Appendix 8a: Current Traffic Counts on Impacted Roadways
• Appendix 8b: Model Analysis for Recommended Full South Arterial Alignment
• Appendix 8c: Model Analysis for Full South Arterial National Historic Landmark Avoid Alignment
• Appendix 8d: Model Analysis for Recommended Partial Arterial

The draft Arterial Alignment Study document can be reviewed in hard copy format at the following Great Falls locations:


We welcome your comments on the draft study. Please submit all comments by October 31, 2008.

Public Meeting Documents

• Public Meeting - September 25, 2008
  - Announcement
• Public Meeting - October 9, 2007
  - Information sheet
  - Project map
• Public Meeting - February 15, 2007
  - Information sheet