U.S. Federal Route 131 is a north-south highway in Western Montcalm County. It runs from the Kent/Montcalm County Line, near Sand Lake, to the Montcalm/Mecosta County Line, near Morley. U.S. Rt. 131 does not pass through any towns in Montcalm County. U.S. Rt. 131 is multi-plexed in Montcalm County. Michigan State Route 46, near from the Kent/Montcalm County Line, to near Howard City.
NB U.S. Rt. 131/EB MI St Rt 46 near Kendallville Road. NB U.S. Rt. 131/EB MI St Rt 46 at MI St Rt 82. A junction marker on EB MI St Rt 82. A guide sign on EB MI St Rt 82. A guide sign on EB MI St Rt 82. NB U.S. Rt. 131/EB MI St Rt 46 south of east MI St Rt 46. NB U.S. Rt. 131 north of east MI St Rt 46. NB U.S. Rt. 131 north of east MI St Rt 46.
