Interstate 90 in Montana
Section of Interstate Highway in Montana, United States / From Wikipedia, the free encyclopedia
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This article is about the section of Interstate 90 in Montana. For the entire route, see Interstate 90.
Interstate 90 (I-90) is an east–west transcontinental Interstate Highway across the northern United States, linking Seattle to Boston. The portion in the state of Montana is 552.54 miles (889.23 km) in length, passing through 14 counties in central and southern Montana. It is the longest segment of I-90 within a single state.[2]
Quick Facts Route information, Length ...
Route information | ||||
---|---|---|---|---|
Maintained by MDT | ||||
Length | 552.46 mi[1] (889.10 km) | |||
Existed | 1957–present | |||
History | Completed in 1987 | |||
NHS | Entire route | |||
Major junctions | ||||
West end | I-90 at Idaho state line | |||
Major intersections | ||||
East end | I-90 / US 87 at Wyoming state line | |||
Location | ||||
Country | United States | |||
State | Montana | |||
Counties | Mineral, Missoula, Granite, Powell, Deer Lodge, Silver Bow, Jefferson, Broadwater, Gallatin, Park, Sweet Grass, Stillwater, Yellowstone, Big Horn | |||
Highway system | ||||
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