Montana Department of Transportation

Malcolm “Mack” Long, Director

COVID-19

View the Governor’s Coronavirus Task Force site for more information.

Main Content

Butte Interstate Traffic Study

Butte Interstate Traffic Study

Phase I Documents

Appendix A - Geometric Features

Truck Turning Movements

Existing Geometry Features

Appendix B - Safety Analysis

Appendix D - Future Traffic Analysis

Appendix E - Noise Study