Completed Projects

Corridor Planning Studies

MDT uses corridor planning studies to determine cost-effective ways to address corridor transportation needs.

View a list of Corridor Planning Studies.

Traffic Studies

Traffic studies examine traffic volumes and patterns on a specific roadway or corridor.

Butte Traffic Study

Transportation Plans

Transportation plans provide state, local, and tribal governments with a valuable way to determine and address future transportation needs in their jurisdictions based on public input and technical analysis.

Anaconda-Deer Lodge County
Belgrade - 2018
Billings - 2023
Bozeman - 2017
Butte - Silver Bow
Columbia Falls - 2021
Great Falls - 2018 Update | Appendices
Hamilton - 2009
Helena Area - 2014 Update
Kalispell - 2021
Laurel - 2014
Livingston - 2017
Miles City - 2017
Missoula - 2021
Polson - 2011 | Appendix A
Shelby - 2014
Whitefish - 2022