Kentucky State Route 9 runs acorss the northern portion of the county. This highway by-passes several smaller communities in the county. KY 9 does not pass through any towns in Carter County. KY St Rt 9 is multi-plexed in Carter County. Kentucky State Route 7, near Carter. KY St Rt 9 intersects the following highways in Carter County. Kentucky State Route 1, near Grayson. Kentucky Secondary State Route 1959, near Grayson. Kentucky State Route 7, near Iron Hill. Kentucky State Route 7, near Iron Hill. Kentucky State Route 2, near Kehoe. Kentucky State Route 7, near Kehoe. Kentucky Secondary State Route 1773, near Boone Furnace.
