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Montana

Interstates

	Interstate	ID border, Monida Pass - Dillon - Butte (I-90, I-115) - Helena - Great Falls (I-315) - Conrad - Shelby - Sweet Grass, CDN-AB border
	Interstate	WA border, Lookout Pass - Missoula - Deer Lodge - Butte (I-15, I-115) - Bozeman - Billings (I-94) - Hardin - Wyola, WY border
	Interstate	Billings (I-90) - Miles City - Glendive - Wibaux, ND border
	Interstate	I-15/I-90 - Butte
	Interstate	I-15 - Great Falls

Standards

Freeway standard

Under construction U/C
Planned

Page was last modified on 23 November 2005