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Interstate 94

I-94 highlighted in red

Route information

Maintained by MDT

Length

249.606 mi^[1] (401.702 km)

NHS

Entire route

Major junctions

West end

I-90 / US 87 / US 212 in Lockwood

US 12 near Forsyth

MT 59 in Miles City
US 12 in Miles City

MT 16 in Glendive

East end

I-94 at North Dakota state line

Location

Country

United States

State

Montana

Counties

Yellowstone, Treasure, Rosebud, Custer, Prairie, Dawson, Wibaux

Highway system

Interstate Highway System

Montana Highway System

←

US 93

→

MT 117

Interstate 94 (I-94) is an east–west Interstate Highway, which links Billings, Montana, to the Canada–US border in Port Huron, Michigan. The portion in the US state of Montana is 250 miles (400 km) long, linking seven counties through the central part of the state.

The speed limit has been 80 mph (130 km/h) since January 2016, except near Billings where it is 65 mph (105 km/h).

Route description

Yellowstone County

I-94 starts in Yellowstone County in Billings at I-90 and travels northeast to the towns of Huntley, Ballantine, Pompeys Pillar, and Custer.

Treasure, Rosebud, and Custer counties

Entering Treasure County, I-94 passes near the small towns of Bighorn and Hysham; there is a little ranch access at milemarker 63.01. After entering Treasure County, the next county is Rosebud County, about 15 miles (24 km) east. There are two intersections of US Highway 12 (US 12) and Montana Highway 59 (MT 59) before entering Forsyth, after that is Custer County which is the east end of US 12 after crossing the city of Miles City.

Prairie, Dawson, and Wibaux counties

After entering Prairie County after passing the small towns of Terry and Fallon, the next county is Dawson County, entering the cities of Glendive which connects with MT 16 and entering the city of Wibaux before entering the North Dakota state line.

History

This section needs expansion. You can help by adding to it. (July 2023)

Between its western terminus in Billings and the North Dakota state line, I-94 replaced US 10.

Exit list

County	Location	mi^[2]	km	Exit	Destinations	Notes
Yellowstone	Billings	0.000	0.000	0	I-90 / US 87 / US 212 – Billings, Sheridan	Western terminus; I-90 exit 456
	Huntley	6.069	9.767	6	S-522 – Huntley
	Ballantine	14.705	23.665	14	Ballantine, Worden
	Pompeys Pillar	23.124	37.214	23	Pompeys Pillar (S-568)
		35.890	57.759	36	Waco
	Custer	47.068	75.749	47	Custer (S-310)
		49.392	79.489	49	MT 47 south – Hardin
Treasure		52.552	84.574	53	Bighorn
		62.504	100.590	63	Ranch Access
		67.379	108.436	67	Hysham (S-311)
		71.468	115.017	72	S-384 (Sarpy Creek Road)
Rosebud		81.405	131.009	82	Reservation Creek Road
		87.070	140.126	87	MT 39 – Colstrip
	Forsyth	93.038	149.730	93	US 12 west – Forsyth, Roundup	West end of US 12 overlap
	Forsyth	94.666	152.350	95	Forsyth
		103.447	166.482	103	S-446 (Rosebud Creek Road) / S-447 – Rosebud
		106.563	171.497	106	Butte Creek Road – Rosebud
		117.333	188.829	117	Hathaway
Custer		125.839	202.518	126	Moon Creek Road
		128.353	206.564	128	Local Access
	Miles City	135.098	217.419	135	I-94 BL east – Jordan, Miles City
	Miles City	137.876	221.890	138	MT 59 – Miles City, Broadus
		140.743	226.504	141	I-94 BL west / US 12 east – Baker, Miles City	East end of US 12 overlap
		148.534	239.042	148	Valley Access
		158.841	255.630	159	Diamond Ring
Prairie		168.299	270.851	169	Powder River Road
		175.677	282.725	176	S-253 – Terry
		184.860	297.503	185	S-340 – Fallon
Dawson		191.788	308.653	192	Bad Route Road
		197.852	318.412	198	Cracker Box Road
		203.439	327.403	204	Whoopup Creek Road
		205.693	331.031	206	Pleasant View Road
		209.621	337.352	210	I-94 BL east / MT 200S – Glendive, Circle, West Glendive
	West Glendive	210.790	339.234	211	MT 200S – Circle	Westbound exit and eastbound entrance
	West Glendive	212.594	342.137	213	MT 16 – Glendive, Sidney
	Glendive	214.672	345.481	215	I-94 BL west – Glendive City Center
		223.502	359.692	224	Frontage Road – Griffith Creek
		230.636	371.173	231	Hodges Road
Wibaux		235.409	378.854	236	Ranch Access
	Wibaux	241.079	387.979	241	MT 7 / S-261 – Baker, Wibaux	Eastbound exit and westbound entrance
	Wibaux	241.698	388.975	242	MT 7 / S-261 – Baker, Wibaux	Westbound exit and eastbound entrance
		248.073	399.235	248	Carlyle Road
		249.377	401.333	Montana–North Dakota state line
Golden Valley					I-94 east – Medora, Bismarck	Continuation into North Dakota
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus Incomplete access