Indiana State Route 25 is a north-south highway in Fulton County. It runs from the Marshall/Fulton County Line, north of Talma, to the Fulton/Cass County Line, near Metea. IN St Rt 25 passes through the following towns in Fulton County. Talma Rochester Fulton IN St Rt 25 is multi-plexed in Fulton County. Indiana State Route 14, at Rochester.