Welcome to MDT

Thanks for your interest in Montana's transportation system and the Montana Department of Transportation.

This site provides an overview of the department's responsibilities as well as specifics related to Montana's highway system, rail system, and air service. After reviewing the site, please feel welcome to contact us for additional information. We'll do everything we can to accommodate your request.

At MDT, we take seriously our mission of planning, building, operating, and maintaining a safe and resilient transportation infrastructure to move Montana forward.

Again, thanks for visiting this site, and contact us if you need additional information.