Business U.S. Federal Route 131 use to be north-south loop into Downtown Kalamazoo. It ran between exits 41 and 36 of U.S. Rt. 131.
In January, 2019, the City of Kalamazoo and the Michigan Department of Transportation reached an agreement to turn jurisdiction of several streets with in Kalamazoo to be turned over to the city jurisdiction from the states. This eliminated BUSN Loop I-94. BUSN U.S. Rt. 131, and Michigan State Route 43 were eliminated within the city. BUSN U.S. Rt. 131 now runs as a short spur on the north of the city. Michigan State Route 43 was rerouted along U.S. Rt. 131 to Michigan State Route 89. BUSN Spur I-94 and Michigan State Route 343 were created to take the numbering of the highways the state retained where the other highways were removed.
Now BUSN Loop 131 runs from U.S. Rt. 131/Michigan State Route 43, northwest of Kalamazoo to Douglas Avenue.
Below contains information from the current and former alignment. BUSN U.S. Rt. 131 passes through the following town in Kalamazoo County. Kalamazoo
BUSN U.S. Rt. 131 is multi-plexed in Kalamazoo County. BUSN Loop I-94, at Kalamazoo. (Prior to January, 2019)