Montana Department of Transportation

Malcolm “Mack” Long, Director


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

Plans, Studies, Design, and Construction Projects


Urban Area Plans and Maps

Take a tour of the Montana Urban Areas and view their respective planning documents and Urban Area maps.


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.

Other Plans



Corridor Planning Studies

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

Environmental Studies

Environmental studies determine affects on the social, economic or natural environment and may result in the preparation of an Environmental Assessment (EA) or Environmental Impact Statement (EIS).

Feasibility Studies

Feasibilities studies are used to determine the practicability, constructability, and level of impact of proposed projects.

Disparity Study


Design and Construction Projects

Billings District

Billings area

Lewistown area

Other Billings District areas

Butte District

Bozeman/Belgrade area

Butte area

Other Butte District areas

Glendive District

Miles City area
Sidney area

Other Glendive District areas

Great Falls District

Great Falls area

Helena area

Other Great Falls District areas

Missoula District

Kalispell/Whitefish area

Missoula area

Other Missoula District areas

You may use the online comment form to comment on a study or project. Email & phone numbers are also on each study or project page.

The project you're looking for may not have a webpage. See if it's on the STIP or check the Construction Report. You can find active construction project details on the on the interactive Travinfo Map.

Still can't find it? Call MDT at 406-444-6200 or send us your question.