U.S. Federal Route 131 is a north-south freeway in Eastern Allegan County. It runs mostly through rural areas of the county. U.S. Rt. 131 passes through the following towns in Allegan County. Otsego
Plainwell
U.S. Rt. 131 is multi-plexed in Allegan County. Michigan State Route 43, from the Allegan/Kalamazoo County Line to Plainwell.
SB U.S. Rt. 131 south of the Kent/Allegan County Line. SB U.S. Rt. 131 ar Rabbit River. SB U.S. Rt. 131 south of MI St Rt 179. SB U.S. Rt. 131 north of MI St Rt 222. A junction marker on EB MI St Rt 222. SB U.S. Rt. 131 south of MI St Rt 222. SB U.S. Rt. 131 south of MI St Rt 222. SB U.S. Rt. 131 north of 110th. SB U.S. Rt. 131 at 106th. SB U.S. Rt. 131 at 106th. SB U.S. Rt. 131 at MI St Rt 43/89. A junction marker on EB MI St Rt 89. A BGS on EB MI St Rt 89. SB U.S. Rt. 131/WB MI St Rt 43 south of MI St Rt 89. NB U.S. Rt. 131/EB MI St Rt 43 at the Allegan/Kalamazoo County Line.
