Indiana State Route 64 is the main-east west highway in Gibson County. This is one of the main access routes to Princeton from U.S. Rt. 41. IN St Rt 64 passes through the following towns in Gibson County. Princeton Francisco Oakland City IN St Rt 64 is multi-plexed in Gibson County. Indiana State Route 65, near Princeton.
IN St Rt 64 intersects the following highways in Gibson County. Indiana State Route 65, near Lyles Station.