Interstate 94 in Montana

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 249.15 miles (400.97 km) long, linking seven counties through the central part of the state.

Interstate 94
I-94 highlighted in red
Route information
Maintained by MDT
Length	249.15 mi[1] (400.97 km)
Major junctions
West end	I-90 / US 87 / US 212 in Billings
	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
Counties	Yellowstone, Treasure, Rosebud, Custer, Prairie, Dawson, Wibaux
Highway system
Interstate Highway System Main Auxiliary Suffixed Business Future Montana Highway System Interstate U.S. State Secondary ← US 93 → MT 117

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

Route description

Yellowstone County

Interstate 94 starts in Yellowstone County in Billings at Interstate 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 mile marker (63.01). After entering Treasure County, the next county is Rosebud County, about 15 miles east, there are two intersections of U.S. 12 and MT 59 before entering Forsyth, after that is Custer County which is the east end of U.S. 12 after crossing the city of Miles City.

Prairie, Dawson and Wibaux counties

After entering Prairie 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.

Exit list

County	Location	mi[2]	km	Exit	Destinations	Notes
Yellowstone	Billings	0.000	0.000	—	I-90 / US 87 / US 212 – Billings, Sheridan	Exit 0 is for I-90 east; 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
		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
		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 only
		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 only
		241.698	388.975	242	MT 7 / S-261 – Baker, Wibaux	Westbound exit and eastbound entrance only
	​	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

References

1. "Table 1: Main Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways". Route Log and Finder List. Federal Highway Administration. October 31, 2002. Retrieved November 8, 2010.
2. "Montana Road Log" (PDF). Montana Department of Transportation. pp. 18–22. Retrieved February 8, 2012.