Project Development & Construction
Design and Construction Projects
The following project webpages provide information on many of the major highway and bridge projects MDT is designing and constructing.
View the active project maps for a statewide look at all MDT projects:
Active Projects Map
Active Projects Map (Mobile)
Check MDT's Tentative Construction Plan Map to see what is planned:
Statewide - Federal and State Tentative Construction Plan (TCP) Map 2025 - 2029
Know before you go - current road conditions and construction delays:
MDT 511
Billings District
Billings Area
Billings Airport Road & Main Street
Curve at 64th Street & Laurel Airport Road
Exposition Drive & 1st Avenue North
King Avenue & 64th Street – Billings
Lockwood Interchange Reconstruction
Lewistown Area
Lewistown Area Bridges – DAR Structures
Other Billings District Areas
Clarks Fork – 9M S Belfry (Chance Road Bridge)
Highway 78 – Red Lodge to Luther
Red Lodge Emergency Flood Repairs
US 191 – Mobridge Slide Repairs
Butte District
Bozeman/Belgrade Area
7th Avenue North Intersections
Amsterdam Road Intersection Improvements
Belgrade Intersection Improvements
I-90 Bear Canyon to Jackson Creek
Jackrabbit – Madison to Main – Belgrade Urban
Kagy Blvd – S. 19th to Willson
Kagy Boulevard & Sourdough Road Intersection Improvements
US 191/MT 64 Optimization Plan
Butte Area
Highway 84 – East of Norris Corridor Study
Other Butte District Areas
Anaconda & Deer Lodge Signal Upgrades
Cougar Creek Bridge W. Yellowstone
Granite Creek – 3mi NW of Virginia City
Southwest of Grant – Southwest
Glendive District
Miles City Area
Circle and Terry ADA Sidewalks
Sidney Area
Other Glendive District Areas
Glendive District Bridge Deck Rehabilitation
Great Falls District
Great Falls Area
Watson Coulee Road Reconstruction
Helena Area
I-15 Sieben North Pavement Preservation
Lincoln – Applegate Intersection
Lincoln Road Reconstruction – S 279
Lola Shephard Intersection Improvement
Other Great Falls District Areas
Havre Northwest Reconstruction
MT 21 Bridges – Elk Creek and Hogan Slough
Missoula District
Kalispell/Whitefish Area
Batavia Intersection Improvements
Groom / Hall Creek – 1 M W of Swan Lake
Kalispell-Whitefish Access Plan
Old Reserve Drive Rural Reconstruction
Reserve Drive: Hutton Ranch Road to Whitefish Stage Road
US 2 Rose Crossing to Glacier Airport
Woodland and 2nd Street / Conrad Intersection Improvements
Missoula Area
Bitterroot River Bridge, Missoula
Mullan Road – Pulp Mill to Deschamps
US 93 Post Creek Hill and Ninepipe Eagle Pass Trail
Other Missoula District Areas
Clearwater Junction Intersection
Plans & Studies
Urban Area Plans and Maps
Take a tour of the Montana Urban Areas and view their respective planning documents and Urban Area maps.
Plans
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
Montana Freight Plan
Montana Rail Plan
Montana Rest Area Plan
Montana Pedestrian & Bicycle Plan
Statewide Transportation Improvement Program (STIP)
TranPlanMT
Billings Community Transportation Safety Plan, 2022-2023
Greater Helena Area Community Transportation Safety Plan, 2013
Missoula Community Transportation Safety Plan, 2019
Corridor Planning and Other Studies
MDT uses corridor planning studies to determine cost-effective ways to address corridor transportation needs.
Corridor Planning Studies
Mapped Study Locations
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.