Interstate Highways In Montana
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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 The Montana Department of Transportation (MDT) is a governmental agency in the U.S. state of Montana, responsible for numerous programs related to the construction, maintenance, and monitoring of Montana's transportation infrastructure and oper ...
(MDT) in the U.S. state of
Montana Montana ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, an ...
. The state's Interstate highways, totaling , were built between 1956 and 1988 at a cost of $1.22 billion. 95 percent of the system serves rural areas, the highest proportion of any state under Interstate program. The entire Interstate system in Montana was designated as the
Purple Heart Trail Purple Heart Trail can refer to: *Interstate 5 in California, Oregon and Washington *Interstate 10 in Alabama and Arizona *Interstate 15 in Montana **Interstate 115 in Montana **Interstate 315 in Montana *Interstate 35 in Kansas and Texas ** Inters ...
in 2003. __TOC__


Mainline highways


Business routes


See also

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References


External links

*{{commons category-inline, Interstate Highways in Montana
Interstate The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, or the Eisenhower Interstate System, is a network of controlled-access highways that forms part of the National H ...