List of bannered highways in Michigan

Below is a list of the many Business Routes or Connector Routes in Michigan. Routes in italics are decommissioned. Those marked with an asterisk (*) are spur routes. Spurs, unlike loops, do not connect back to the mainline at the other end.

Interstate Business Loops

Interstate 69
Coldwater
Interstate 75
Pontiac
Grayling
Interstate 94
Benton Harbor/St. Joseph
Jackson
Interstate 96
Portland*
Interstate 196
South Haven
Other Interstate Business Loops
I-375 - Detroit*

US Route Bannered Routes

US 2
Business - Ironwood*
US 10
Business - Reed City
US 12
Business - Niles
Business - Marshall
US 16
Alternate - Nunica/Muskegon
US 23
Business - Ann Arbor
Alternate - Standish
US 24
Alternate- Erie
US 25
Alternate - Erie
US 27 all business routes are now BUS US 127 or BL I-69 routes
Business - Charlotte
Business - Alma
US 31
Business - Niles*
Business - Hart*
US 41
Business - Marquette
US 112 all business routes are now BUS US 12 routes
Business - Niles
US 127
Business - Jackson
Business - Alma
US 131
Business - Three Rivers
Business - Cadillac
US 223
Business - Adrian

Bannered Michigan State Highways

Business Routes
Business M-17 Ypsilanti
Business M-28 Newberry
Business M-55 Houghton Lake Heights
Connector Routes
Connector M-13 Standish
Other Routes
Bypass M-21 Grand Rapids