List of state, US, and interstate highways in Montana

The following lists provide an overview of the highways in the state of Montana of the United States is:

Interstate highways

route	Beginning	The End	Length in mi	Length in km
	at Monida	in sweetgrass	396	637
	at Mullan	at Ranchester	552	888
	in Billings	at Beach	249	401
	in Butte	Butte	1	2
		Great Falls	1	1

US highways

route	Beginning	The End
	west of Troy	east of Bainville
	west of Lolo Hot Springs	at Marmarth
	at Henrys Lake	in Yellowstone National Park
	at Ranchester	at Havre
	in Yellowstone National Park	at Carway
	at the Lost Trail Pass	in Roosville
	in Yellowstone National Park	north of Loring
	in Yellowstone National Park	at Cooke City
	in Yellowstone National Park	at Choteau
	at Frannie's	in Laurel

1st order state highways (primary)

route	Beginning	The End
	Opportunity	Drummond
	Three forks	Butte
	Billings	Great Falls
	Scobey	North Dakota border at Westby
	Ekalaka	Wibaux
	Billings	Billings
	Circle	Scobey on the Saskatchewan , Canada border
	Glendive	Regway on the Saskatchewan, Canada border
	at Kennedy Creek	Chief Mountain Border Station on the Alberta , Canada border
	Roy	Grass range
	Augusta	Simms
	Sidney	North Dakota border
		Opheim border station on the Saskatchewan, Canada border
	Wolf Point	Bridge Park
	Plains	Elmo
	Polson	Evergreen
	Libby	Eureka
	Grantsdale	Porter's Corners
	Forsyth	Lame Deer
	Whitefish	Columbia Falls
	Dillon	Vendome Station
	near Glasgow	Glasgow
	Lost Trail Pass	Divide
	north of Dupuyer	at exit 348
	Custer	Hardin
	Mill Creek	Warm Springs
	East Glacier Park	north of Kiowa
	at Parsons Bridge	Whitehall
	Troy	at Noxon
	Wyoming border south of Biddle	Jordan
		Big Sky
	Fort Belknap Agency
	Whitehall	Boulder
	Wyoming border south of Belfry	Bridger
	Red Lodge	Columbus
	Fort Benton	Stanford
	Coffee Creek	Brooks
	Bigfork	Somers
	Clearwater Crossing	Bigfork
	Bozeman Hot Springs	Norris
	Bozeman Hot Springs	Belgrade
	Bozeman	Wilsall
	Idaho border at Raynolds Pass	at Cliff Lake
	Dillon	Dillon
	Nashua	Fort Peck
	St. Regis	at Paradise
	Avon	Mineral Hill
	Heron	Fairview
	at Circle	at Glendive
	Twin bridges	Ennis

Individual evidence

1. ^ Interstate Routes in Each of the 50 States, District of Columbia, and Puerto Rico. US Department of Transportation - Federal Highway Administration, accessed April 11, 2013 . 

Web links

Commons : Streets in Montana  - Collection of pictures, videos, and audio files

• Montana Highway System Routes. (pdf, 3.2 MB) State of Montana - Department of Transportation, accessed April 12, 2013 (English, map).