Montana Department of Transportation

Malcolm “Mack” Long, Director


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



Please for any questions at 406-444-6119.

You will find our road condition maps in the Traveler Information space.

for a variety of informational maps.

The mileage calculator has been removed from MDT’s Internet site due to it being a cost prohibitive process to maintain and prone to inaccuracies or errors. There are publicly available tools such as Google Maps, Bing Maps, MapQuest, or OpenStreetmap that could meet your needs.

Official Montana Highway Travel Map

Highway Maps

Active Projects Map

City, County & Urban Maps

Bicycle/Pedestrian Maps


Environmental Maps

Road Condition/Camera/Weather Maps

Traffic Maps