Interstate 15 North - Dillon to Butte

The Pioneer Mountains spread to the west within Beaverhead National Forest along Interstate 15 north to the Big Hole River.
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Camp Creek Road connects Interstate 15 with Old Highway 91 and the rural community of Melrose west of forthcoming Exit 93.
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Camp Creek and the Silver Bow County line cross Interstate 15 within the diamond interchange at Exit 93.
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Interstate 15 navigates through an S-curve north of mile marker 95 and the Soap Gulch Road overpas.
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Frontage Road (Old U.S. 91) runs along the west side of Interstate 15 from mile marker 97 north to Exit 99.
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Moose Creek Road spurs 3.63 miles east from Frontage Road (Old U.S. 99) and the diamond interchange at Exit 99 along Moose Creek to the north of Old Glory Mountain.
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The east end of MT 43 ties into Interstate 15 at Exit 102 and the rural community of Divide.
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Montana State Highway 43 travels 77.39 miles west from the diamond interchange at Exit 102 to S-278 at Wisdom and U.S. 93 at Lost Trail Pass on the Idaho state line.
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Photo Credits:
- Alex Nitzman: 07/05/16
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Page Updated Tuesday January 20, 2026.


