The highway connects Campton and West Liberty with mostly rural areas of Wolfe and Morgan counties.

It travels to the northeast and immediately curves to the east-northeast before it intersects the western terminus of KY 2490 (Drake Street).

It curves to the east-southeast and intersects the southern terminus of KY 746 (Callaboose Ridge Road).

In Daysboro, it intersects the northern terminus of KY 1419 (Upper Gilmore Road).

They curve to the southeast and enter Helechawa, where they begin paralleling the Mountain Parkway.

A short distance after leaving Helechawa, the highway enters Morgan County.

[1][2] KY 191 continues to the southeast and crosses over State Road Fork twice before entering Adele.

There, it travels just north of Morgan County High School and meets its eastern terminus, an intersection with U.S. Route 460 (US 460; West Main Street).