Heat and Summer Streets
Montana's summer brings sunshine, longer days, and rising temperatures. For people who bike, walk, and roll through their communities, the season can include long periods of heat and direct sunlight.
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Wildfire Smoke and Travel for People Who Bike and Walk
Montana's summer often brings longer days and more opportunities to bike, walk, and roll through local communities. However, wildfire smoke can create hazardous conditions for people traveling outdoors, even when a fire is many miles away.
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Montana Drivers - Know the New Roundabout Rules
Towing vehicles can legally occupy both lanes. Don't drive beside them.
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Who We Are
We are a diverse workforce of over 2,000 people across Montana.
Learn About How MDT is Working for You
What We Do
Our employees are determined to do all we can so that you arrive at your destination safely.
Learn About How MDT is Working for You
Helping Your Drive
We maintain over 24,000 lane miles of highway.
Learn About How MDT is Improving Your Travel
Know Before You Go
Check current road conditions, camera views, and more.
Learn About How MDT is Working for You
Active Projects
Find out which projects are happening near you.
Learn About Active Projects
Protecting Your Investment
Motor Carrier Services works hard to protect our infrastructure.
Learn About How MDT is Protecting Your Investments
What's Next?
Contingent on funding availability, find out which projects are coming.
Visit the Tentative Construction Plan
Your Department of Transportation
MDT is a workforce of over 2,000 people across Montana determined to do all we can so that you arrive at your destination safely.
We know a well-planned and functioning transportation system contributes to the quality of life of Montana residents and the economies of our communities.
Whether you are riding, walking, biking, driving, using public transit, or even flying, MDT has played a part in getting you where you are going.
Fatalities on Montana's Roads in 2026
As of July 29, 2026,
98
lives have been lost,
compared to 118 fatalities for
this same time in 2025.
DEADLY
behaviors that contributed to fatalities
56
Impaired
Driving*
Driving*
53
Improper
Restraint*
Restraint*
*Unconfirmed Factors: this information is taken from Montana Highway Patrol crash data. These investigations remain ongoing. The data and contributing factors should be viewed as preliminary only and are subject to change.
98
Motorists*
14
Motorcyclists*
7
Pedestrians*
1
Bicyclists*
Flathead River Bridge Project