Business routes of Interstate 90
Interstate 90 Business may refer to several business routes of the Interstate Highway System that connects Interstate 90 with the central business district of various cities bypassed by I-90. Each business route can be either a business loop or a business spur, depending on whether both ends connect to I-90. The business route in each community is considered a unique route. In many cases, these routes are a former section of a U.S. Route.
Washington
- Interstate 90 Business (Ellensburg, Washington)
- Interstate 90 Business (Moses Lake, Washington)
- Interstate 90 Business (Spokane, Washington)
Idaho
Montana
- Interstate 90 Business (Missoula, Montana)
- Interstate 90 Business (Deer Lodge, Montana)
- Interstate 90 Business (Butte, Montana) (concurrent with Interstate 15 Business (Butte, Montana))
- Interstate 90 Business (Bozeman, Montana)
- Interstate 90 Business (Livingston, Montana)
- Interstate 90 Business (Big Timber, Montana)
- Interstate 90 Business (Laurel, Montana)
- Interstate 90 Business (Billings, Montana)
- Interstate 90 Business (Hardin, Montana)
Wyoming
South Dakota
- Interstate 90 Business (Spearfish, South Dakota)
- Interstate 90 Business (Sturgis, South Dakota)
- Interstate 90 Business (Rapid City, South Dakota)
- Interstate 90 Business (Wall, South Dakota)
- Interstate 90 Business (Kadoka, South Dakota)
- Interstate 90 Business (Belvidere, South Dakota)
- Interstate 90 Business (Murdo, South Dakota)
- Interstate 90 Business (Vivian, South Dakota)
- Interstate 90 Business (Presho, South Dakota)
- Interstate 90 Business (Chamberlain, South Dakota)
- Interstate 90 Business (White Lake, South Dakota)
- Interstate 90 Business (Plankinton, South Dakota)
- Interstate 90 Business (Mitchell, South Dakota)
- Interstate 90 Business (Sioux Falls, South Dakota)
Minnesota
- Interstate 90 Business (Worthington, Minnesota)
- Interstate 90 Business (Fairmont, Minnesota)
- Interstate 90 Business (Austin, Minnesota)
Wisconsin
Illinois
Indiana
Ohio
Pennsylvania
New York
Massachusetts