U.S. Federal Route 131 is a north-south highway. From south of the Kalamazoo Area to th Kalamazoo/Allegan County Line, this highway is a expressway. It is one of the main highways in Western Kalamazoo County. U.S. Rt. 131 passes thorugh the following towns in Kalamazoo County. Schoolcraft Portage
U.S. Rt. 131 is multi-plexed in Kalamazoo County. BUSN Loop I-94, from Kalamazoo to Portage.
U.S. Rt. 131 intersects the following highways in Kalamazoo County. Interstate 94, at Portage.