Christian County KY 107's southern terminus is located just south of the Christian County community of LaFayette, near an entrance to the
Fort Campbell Military Reservation, falling just short of the
Tennessee state line. The highway starts its course as LaFayette Road from there until downtown
Hopkinsville. The highway's first go through mainly rural areas of southern Christian County, with intersections at
KY 117 at Herndon, and
KY 345 at
Beverly. At mile marker 10.8, KY 107 crosses over
I-24 via an overpass. It enters the city of Hopkinsville after crossing the US 68 Bypass/US 68 Truck Route. In downtown Hopkinsville, KY 107 joins the eastbound lanes of the actual alignment of
US 41/
US 68,
KY 80, and (within downtown only)
KY 109. It follows US 41/US 68 and KY 80/KY 109 until it reaches Campbell Street. KY 107 turns off on Campbell Street, and makes a right turn onto East 7th Street. It then goes over
I-169 (the
Edward T. Breathitt Pennyrile Parkway), and then makes a turn to the north-northeast at an intersection with
KY 507 (Pilot Rock Road). It leaves town after the junction with
KY 1682, the Hopkinsville Bypass. KY 107 then goes through the communities of
Fearsville, where it crosses
KY 189.
Todd and Logan Counties After exiting Fearsville, KY 107 enters the northern segment of
Todd County near
Kirkmansville where it meets
KY 171. It then gets co-signed with
KY 181 at
Clifty. The co-signing of the two state routes lasts for . KY 107 after separating from KY 181 is known as Todd-Deer Lick Road, and becomes known simply as Deer Lick Road upon entry into
Logan County. The junction with
KY 1293 at Deer Lick provides access to Lake Malone. KY 107 ends at
Lewisburg, where it intersects with
US 431 during that route's section that is co-signed with
KY 106. ==History==