Indiana State Route 71 is a north-south highway in Southwestern Newton County. It runs from U.S. Rt. 24/52 to the Newton/Benton County Line. IN St Rt 71 does not pass through any towns in Newton County. IN St Rt 71 is not multi-plexed in Newton County. IN St Rt 71 intersects the following highways in Newton County. U.S. Rt. 24, near Effner. U.S. Rt. 52, near Effner.