Business U.S. Federal Route 131 runs through Three Rivers in West-Central St. Joseph County. The mainline U.S. Rt. 131 by-passes with a four-lane highway on the westside of Three Rivers. BUSN U.S. Rt. 131 passes through the following towns in St. Joseph County. Three Rivers
BUSN U.S. Rt. 131 is multi-plexed in St. Joseph County. Michigan State Route 60, at Three Rivers.
BUSN U.S. Rt. 131 intersects the following highways in St. Joseph County. U.S. Rt. 131, at Three Rivers.
A junction marker on SB U.S. Rt. 131. SB BUSN U.S. Rt. 131 south of U.S. Rt. 131 in Three Rivers. SB BUSN U.S. Rt. 131 in Downtown Three Rivers. A junction marker on NB BUSN U.S. Rt. 131/EB MI St Rt 60. NB BUSN U.S. Rt. 131/EB MI St Rt 60 in Three Rivers. A junction marker on NB U.S. Rt. 131/EB MI St Rt 60. The southern end marker.
