Indiana State Route 69 is a north-south highway in Posey County. It runs from a junction with Interstate 64, near Griffin, to the Hovey Lake State Fish & Wildlife Area. IN St Rt 69 passes through the following towns in Posey County. Farmersville Mt. Vernon Hovey IN st Rt 69 is multi-plexed in Posey County. Indiana State Route 62, near Mt. Vernon. IN St Rt 69 intersects the following highways in Posey County. Interstate 64, near Griffin. Indiana State Route 68, near New Harmony. Indiana State Route 66, near New Harmony. Indiana State Route 62, near Mt. Vernon. Indiana State Route 62, near Mt. Vernon.