Indiana State Route 63 is a north-south highway in South-Central Warren County. This is a continuance of the U.S. Rt. 41 expressway. IN St Rt 63 does not pass through any towns in Warren County. IN St Rt 63 is not multi-plexed in Warren County. IN St Rt 63 intersects the following highways in Warren County. U.S. Rt. 41, near Carbondale.