This information allows MDT's Maintenance Division to schedule personnel and equipment based on current weather and pavement surface conditions. Real time weather information improves response time, increases winter maintenance efficiency and minimizes the traveling public's exposure to hazardous weather related roadway conditions.
Future Specification Updates - Effective 2026 January 15 June 25 Final Specification Revisions 2026 January 2026 2025 June 2025 January 2025 2024 June V5.1 January V5.0 2023 June V4.0 Specification Revision Process Please send comments and proposed specification changes to: MDT Specifications. Please email John MacMillan for prior versions of ...
On this site you’ll find the information you need to keep abreast of the latest news, laws, and regulations. You’ll also find convenient services such as online permitting, road conditions, and more. If there’s something you can’t find, please let us know. — Motor Carrier Services, MDT
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.
MDT requirements for design elements requiring design exceptions and variances, and their baseline criteria are detailed in this guide and are applicable to all On-System routes and State Highways.
These projects reflect MDT’s commitment to innovation, accountability, and the effective use of technology to better serve the public and industry partners. To learn more about HaulHub and InfoTech DocExpress you can select the provided links below.
MDT reviews the Site Analysis, Right-of-Way, Hydraulics, Environmental & Traffic Impact Study and identifies conditions for concurrence with the development’s identified needs and the associated impacts and mitigation measures to be addressed.
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.
