The highway connects mostly rural areas of Simpson County with Franklin.

It curves to the northeast and has an intersection with the eastern terminus of KY 591 (Adairville Road).

It curves to the north-northeast and intersects the eastern terminus of KY 664 (Sulphur Springs Church Road).

The highway heads to the east and intersects the northern terminus of KY 816 (Schweizer Road).

It curves to the east-southeast and meets its northern terminus, an intersection with U.S. Route 31W (South Main Street).