Michigan State Route 86 runs east-west across Central St. Joseph County. It goes from BUSN U.S. Rt. 131/MI St Rt 60, at Three Rivers, to the Branch/St. Joseph County Line, near Colon. MI St Rt 86 passes through the following towns in St. Joseph County. Three Rivers
Centreville
Nottawa
Colon MI St Rt 86 is multi-plexed in St. Joseph County. Michigan State Route 66, near Nottawa.
A guide marker on NB U.S. Rt. 131/EB MI St Rt 60. A junction marker on NB BUSN U.S. Rt. 131/EB MI St Rt 60. A junction marker on SB U.S. Rt. 131. A junction marker on SB BUSN U.S. Rt. 131. EB MI St Rt 86 in Three Rivers. EB MI St Rt 86 near Centreville. EB MI St Rt 86 in Centreville. EB MI St Rt 86 near Nottawa. EB MI St Rt 86 west of Nottawa. EB MI St Rt 86 east of Nottawa.