Interstate 90

Interstate 90
Game	American Long Haul American Truck Simulator: Washington Idaho Wyoming Montana
State	Washington, Idaho, Montana, Wyoming
Length	1172 mi (1886 km)
Speed Limit	40–80 mph (64–129 km/h)
Route
	0 mi (0 km) IS5 I-5 in Seattle
	WA 0–290 mi (0–467 km) IS82IS405 I-82, I-405 US2US97US395 US 2, US 97, US 195, US 395 WA261 SR 171, SR 261
	ID 290–365 mi (467–587 km) US95 US 95
	MT 365–971 mi (587–1564 km) IS15IS94IS115 I-15, I-94, I-115 US12US87US89US93US191US212US287US310 US 12, US 87, US 89, US 93, US 191, US 212, US 287, US 310 MT3MT47MT135MT200 MT 3, MT 47, MT 135, MT 200
	WY 971–1172 mi (1564–1886 km) IS25 I-25 US14US16US87 US 14, US 16, US 87 WY50WY51WY59WY339 WYO 50, WYO 51, WYO 59, WYO 338, WYO 339
	1172 mi (1886 km) US14US16 US 14 and US 16 in Moorcroft
Map
Highway System
Previous	← I-86
	IS
Next	I-94 →
← I-82
WA
US 97 →
← US 89
ID
US 91 →
← US 89
MT
US 93 →
← WYO 89
WY
WYO 94 →

Interstate 90 (I-90) is an east–west Interstate Highway in central Washington, northern Idaho, southwestern Montana, and northeastern Wyoming in American Truck Simulator. It runs from Interstate 5 in Seattle to US 14 and US 16 in Moorcroft. The highway also continues to Boston, Massachusetts in older games.

In real life, Interstate 90 runs from Seattle to Boston. It is the longest Interstate Highway in the United States and the ninth longest in the world.

Course

Interstate 90 begins at its junction with Interstate 5 in Seattle, WA, and starts its transcontinental run by passing below the neighborhoods of Judkins Park and Mt. Baker through the Mt. Baker Tunnel, and proceeds over Lake Washington via the Homer M Hadley and Lacey V Murrow Memorial Bridges, which offer an excellent view of Mt. Rainier, the highest point of Washington and one of the most prominent mountains in the US. These bridges are notable for being floating bridges, meaning they are supported by floating pontoons instead of anchored supports; at over a mile in length, these are among the longest floating bridges in the world. After crossing Lake Washington, the highway passes to the south of Bellevue, where it intersects with Interstate 405, which provides access to Renton. The highway then crosses the Cascade Mountains via Snoqualmie Pass; although this pass isn't especially high, it's rather scenic, as a large gap separates the east and westbound lanes (the latter supported by a long viaduct), and in this gap is the forked Franklin Falls. East of the pass are east and westbound weigh stations, followed by rest areas and the town of Ellensburg, where US 97 intersects with the highway. Shortly east of Ellensburg is the intersection with Interstate 82 at its western terminus, and after passing below a high abandoned rail bridge it descends into the gorge of the Columbia. The highway crosses the Columbia River via the Vantage Bridge, and after a hard turn to the north climbs out of the gorge; near the top of this grade are east and westbound overlooks, the latter featuring a viewpoint. The highway then proceeds across the plains of the Columbia Plateau, which features east and westbound rest areas and the town of Moses Lake. At Ritzville the highway meets with US 395, which begins a concurrency here. The highway trends northeast past Sprague Lake to US 2, which runs concurrent with the highway for a short distance. After crossing high over Latah Creek, I-90 enters Spokane, where US 2 and 395 break away. After entering Idaho a westbound weigh station is passed, and the highway crosses through Coeur d'Alene.

I-90 soon after crosses the Bitterroot Range via Lookout Pass (4710 ft/1436 m), where the highway enters Montana; at the summit of the pass is a rest area and the western end of a challenging hidden road leading to Thompson Falls. On the descent from the pass, a weigh station/rest area is located in the median of the highway, and shortly afterwards the highway passes the town of Haugan, where services are offered at the 50,000 Silver Dollar Inn. At St. Regis the 90 intersects with MT 135, which provides access to MT 200 and Thompson Falls, and soon after intersects with US 93 at Wye. The 90 then passes the city of Missoula, where it intersects with US 12, and runs along the Clark Fork River to Bonner-West Riverside and a short spur of MT 200. After following the Clark Fork through gorges deep in the mountains, the highway heads south across the Deer Lodge Valley, between the Flint Creek Range to the west and the Boulder Mountains to the east, and shortly after begins running concurrent with I-15. After passing the town of Rocker and its multiple truck stops, and a WB weigh station, the highway passes the city of Butte. I-15 then separates from the 90, which then climbs up the Boulders to Homestake Pass, where the highway passes between the Boulders to the north and the Highlands to the south, and over the Great Continental Divide; at 6329 feet (1929 m), this is the highest point on I-90. After descending from the pass, the highway crosses the Madison River north of the town of Three Forks; to the north of the highway at this point is the headwaters of the Missouri River, formed by the confluence of the Jefferson, Madison, and Gallatin Rivers, although I-90 only crosses the Madison in the game. Shortly afterwards, in the shadow of the Bridger Range to the north, the highway passes the city of Bozeman, where it intersects with US 191. East of Bozeman, the 90 passes between the Bridgers to the north and the Gallatins to the south via Bozeman Pass (5702 ft/1738 m) and intersects with US 89. The 90 then runs along the Yellowstone River, north of the Absaroka Range; the valley of the Yellowstone features landmarks such as Sheep Mountain, the Greycliff Mill (the Montana Mill in the game), and the Crazy Mountains, as well as east and westbound rest areas. At Laurel the highway intersects with US 310, and after east and westbound weigh stations/rest areas, Billings, the largest city in Montana, is reached, and it's here where US 87 begins running concurrent with I-90. Just east of Billings, at the town of Lockwood, I-90 continues via a TOTSO at its junction with I-94. After passing through Forsyth, the 90 then veers southward across the Crow Nation and the town of Crow Agency, and heads towards Wyoming with the Bighorn Mountains to the west.

After entering Wyoming, I-90 meets US 14, which begins running concurrent with the highway. After passing the Sheridan Port of Entry, the city of Sheridan is reached, where the 14 ends its concurrency. Just out of Sheridan the 90 meets I-25 at its northern end, and it's here where US 87 ends its concurrency with the 90 and begins following the 25. Here the 90 resumes its eastward course, and sets across the Powder River Basin to the city of Gillette, where the highway intersects with WY 59, and where US 14 once again joins the Interstate. Not far east of Gillette, the highway reaches Moorcroft, where the 14 breaks away to the north and I-90 currently ends, to eventually be extended into South Dakota.

Cities

Washington

• Seattle
• Spokane

Scenery towns

• Bellevue
• Ellensburg
• Moses Lake
• Ritzville

Idaho

• Coeur d'Alene

Montana

• Missoula
• Butte
• Bozeman
• Laurel
• Billings

Scenery towns

• St. Regis
• Wye
• Rocker
• Hardin
• Crow Agency

Wyoming

• Sheridan
• Gillette

Scenery towns

• Buffalo
• Moorcroft

Exit list

Washington

Location	mi	km	Exit	Destinations	Facilities	Notes
Seattle	0	0	2 B-C	IS5 I-5 – Portland, Vancouver B.C.		Western terminus in game I-5 exit 164 A
Bellevue	12	20	10	IS405 I-405 – Renton, Bellevue		I-405 exit 11
	70	112	--	Weigh station		Westbound only rest area
	76	123	--	Rest area
Ellensburg	91	147	106	US97 US 97 North – Ellensburg, Wenatchee		West end of US 97 concurrency
	110	177	110	IS82US97 I-82 East / US 97 South – Yakima		East end of US 97 concurrency
	145	234	139	Scenic view, Vantage Bridge		Westbound only viewpoint
	169	272	--	Rest area
Moses Lake	189	304	176	SR 171 North – Moses Lake		Inaccessible
Ritzville	214	345	220	US395 US 395 South – Kennewick, Ritzville		West end of US 395 concurrency
	229	369	221	WA261 SR 261 South – Ritzville, Washtucna
	266	428	277	US2 US 2 West – Spokane Airport, Orondo		West end of US 2 concurrency
Spokane	274	441	279	US 195 South – Colfax, Pullman		Inaccessible
	285	459	281	US2US395 US 2 East / US 395 North (Division Street) – Newport, Colville		East end of US 2 / US 395 concurrency
	287	461	286	Broadway Avenue		Eastern terminus in Washington DLC

Idaho

Location	mi	km	Exit	Destinations	Facilities	Notes
	290	467	--	Weigh station		Westbound only
Coeur d'Alene	297	478	11	Downtown Coeur d'Alene – Northwest Boulevard		Western terminus in Idaho DLC
	305	491	12	US95 US 95 – Lewiston, Sandpoint, Canada
	318	513	15	Sherman Avenue – Fernan		Eastern terminus in Idaho DLC
	350	564		Historical Site		Signs on the Murray Goldfields and the bad fire

Montana

Location	mi	km	Exit	Destinations	Facilities	Notes
Lookout Pass	365	587	0	Lookout Pass		Western terminus in Montana DLC
	383	616	--	Weigh Station		Left exit
Haugen	393	633	16	Haugen
St. Regis	416	671	33	MT135 MT 135 North – St. Regis
Missoula	440	709	96	US93MT200 US 93 North / MT 200 West – Kalispell		West end of US 93 / MT 200 concurrency
	452	729	101	BU90US93 I-90 BL East / US 93 South (Reserve Street) – Lolo		East end of US 93 concurrency
	471	758	105	BU90US12 I-90 BL / US 12 West (Van Buren Street) – City Center		West end of US 12 concurrency
Bonner-West Riverside	481	775	109	MT200 MT 200 East – Bonner, Great Falls		East end of US 12 / MT 200 concurrency
Butte	556	894	219	IS15 I-15 South – Dillon, Idaho Falls		West end of I-15 concurrency I-15 exit 121
	567	913	122	Rocker
	572	921	--	Weigh Station		Westbound only
	579	932	124	IS115 I-115 North – City Center		Left exit Eastbound exit, westbound entrance
	585	942	126	Montana Street
	596	960	227	IS15 I-15 North – Helena		East end of I-15 concurrency I-15 exit 129
Bozeman	665	1070	306	BU90US191 I-90 BL East (North 7th Street) to US 191
	681	1096	309	BU90US191 I-90 BL West / US 191 South (Main Street)		West end of US 191 concurrency
	712	1145	340	US89 US 89 North – White Sulfur Springs		East end of US 191 concurrency
	750	1207	--	Rest Area
Laurel	800	1288	434	US212US310 US 212 / US 310 West – Laurel, Red Lodge		West end of US 212 concurrency
	812	1306	--	Weigh Station
Billings	832	1339	450	MT3 MT 3 North (27th Street) – Billings
	851	1370	452	BU90US87 I-90 BL West / US 87 North – Lockwood, Roundup		West end of US 87 concurrency
	863	1389	455	Johnson Lane
	874	1407	456	IS94 I-94 East – Bismarck		I-94 exit 0
Hardin	890	1432	495	BU90MT47 I-90 BL East / MT 47 – Hardin city center		Eastern terminus in Montana DLC
	918	1477	509	Crow Agency, Baaxuwuaashe		Inaccessible East end of US 212 concurrency

Wyoming

Location	mi	km	Exit	Destinations	Facilities	Notes
	983	1583	9	US14 US 14 West – Greybull, Lovell		Western terminus in Wyoming DLC West end of US 14 concurrency
	998	1606	16	Port of Entry WY339 WYO 339 – Decker, MT
Sheridan	1008	1622	20	BU90 I-90 BL East (North Main Street) WYO 338 (Decker Rd)		WYO 338 inaccessible
	1029	1656	25	BU90 I-90 BL West – Sheridan, Big Horn US14 US 14 East – Ucross		East end of US 14 concurrency
Buffalo	1055	1698	56	IS25US87 I-15 / US 87 South – Casper		East end of US 87 concurrency Westbound left exit
Gillette	1100	1770	124	BU90WY50US14US16 I-90 BL East / WYO 50 North to US 14 / US 16 West – Gillette
	1119	1801	126	WY59 WYO 59 – Douglas
	1136	1828	128	BU90US14US16 I-90 BL / US 14 / US 16 West – Gillette Port of Entry		West end of US 14 / US 16 concurrency
	1149	1849	129	Garner Lake Road
Moorcroft	1172	1886	154	BU90US14US16 I-90 BL / US 14 / US 16 East – Moorcroft, Newcastle		Eastern terminus in game

Business Routes

Interstate 90 Business Loop shield

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Cities

Interstate 90 has business routes in 7 cities:

• Missoula
• Bozeman
• Billings
• Hardin
• Sheridan
• Gillette
• Moorcroft

Wyoming

Sheridan

Main article: Business Interstate 90, US 14 Business, and US 87 Business

Gillette

Interstate 90 Business is a business loop of Interstate 90 in Gillette. It runs from a diamond interchange at exit 124 of I-90 and carries the north end of WYO 50, US 14, and US 16. A Port of Entry can be found at the east end of the business loop and at exit 128 of I-90.

Moorcroft

I-90 Bus. - Moorcroft, WY

Interstate 90 Business is a business loop of Interstate 90 in Moorcroft. The road begins at an intersection serving East Converse Street and North Yellowstone Ave (US 14 and US 16). The highway runs to the east until the road turns to the north following US 14 towards exit 154 of I-90.

History

• In the initial version of the Washington map expansion DLC, the section of Interstate 90 from Interstate 5 in Seattle to Broadway Avenue in Spokane was added.

• In the initial version of the Idaho map expansion DLC, the section of Interstate 90 from Broadway Avenue in Spokane to Sherman Avenue in Coeur d'Alene was added.

• In the initial version of the Wyoming map expansion DLC, the section of Interstate 90 from US 14 and US 87 northwest of Sheridan to US 14 and US 16 in Moorcroft was added.

• In the initial version of the Montana map expansion DLC, the section of Interstate 90 from Sherman Avenue in Coeur d'Alene to US 14 and US 87 northwest of Sheridan was added.

Gallery

• 

  Seattle

• 

  Bellevue

• 

  Ellensburg

• 

  Moses Lake

• 

  Ritzville

• 

  Spokane

See also

• Information about Interstate 90 in real life