Indiana State Route 25 runs east-west across Southern Marshall County. This highway runs just north of the Fulton County Line. It goes from the Kosciusko County Line, near Mentone, to the Fulton County Line, north of Talma. IN St Rt 25 does not pass through any towns in Marshall County. IN St Rt 25 is not multi-plexed in Marshall County. IN St Rt 25 intersects the following highways in Marshall County. Indiana State Route 331, near Tippecanoe.
SB IN St Rt 25 at the Marshall/Koscisko County Line.