Business Spur Interstate 94 runs just under three miles on the east side of Kalamazoo. This is along a former section of Business Loop Interstate 94 at Kalamazoo. It goes from the Kalamazoo city limits on the eastern side of the city to Interstate 94 at Exit 81.
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. BUSN Loop I-94 passes through the following towns in Kalamazoo County. Kalamazoo
BUSN Spur I-94 does not pass through any towns in Kalamazoo County. BUSN Spur I-94 is not multi-plexed in Kalamazoo County. BUSN Spur I-94 intersects the following highways in Kalamazoo County. Interstate 94, near Kalamazoo. Michigan State Route 96, near Kalamazoo.