Indiana State Route 68 runs east-west across the southern tip of Gibson County. It runs between Posey and Warrick County. IN St Rt 68 does not pass through any towns in Gibson County. IN St Rt 68 is multi-plexed in Gibson County. Indiana State Route 57, at the near Elberfeld. IN St Rt 68 intersects the following highway in Gibson County. U.S. Rt. 41, near Haubstadt. Interstate 69, near Elberfeld. Indiana State Route 57, near Elberfeld.