TRANSPORTATION / HIGHWAY TRAVEL

The Interstate Highways in Montana are the segments of the Dwight D. Eisenhower National System of Interstate and Defense Highways owned and maintained by the Montana Department of Transportation (MDT) in the U.S. state of Montana. The following high-speed arteries facilitate traffic movement:

Interstates I-15, I-90, I-94, I-115, I-315


Statewide Travel

Montana Transportation Department

General Inquiries
406-444-6200
https://www.mdt.mt.gov/

Montana Roadway Conditions
Dial 511
https://www.mdt.mt.gov/travinfo/511.shtml

 

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