Kentucky Route 399 (KY 399) is a 15.522-mile-long (24.980 km) state highway in the U.S. state of Kentucky. The highway connects mostly rural areas of Owsley and Lee counties with Vincent, Idamay, and Heidelberg.

This article relies largely or entirely on a single source. (June 2016)

Quick Facts Route information, Length ...

Kentucky Route 399
KY 399 highlighted in red
Route information
Maintained by KYTC
Length	15.522 mi[1][2] (24.980 km)
Major junctions
South end	KY 30 in Vincent
Major intersections	KY 587 in Idamay
North end	KY 52 in Daniel Boone National Forest
Location
Country	United States
State	Kentucky
Counties	Owsley, Lee
Highway system
Kentucky State Highway System Interstate US State Parkways
← KY 398 → KY 400

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KY 399 begins at an intersection with KY 30 in Vincent, within the north-central part of Owsley County. It travels to the north-northwest and curves to the north-northeast. It begins paralleling Duck Fork and curves to the north-northwest before entering Lee County.^[1] KY 399 heads to the north-northeast and curves to the north-northwest. It enters Idamay, where it crosses over Duck Fork and has a brief concurrency with KY 587. The two highways cross over Duck Fork and then split. The highway resumes its north-northwesterly routing, now along the western edge of Daniel Boone National Forest. It crosses over Duck Fork twice and curves to the northwest, where Duck Fork merges into Sturgeon Creek. The highway begins paralleling that creek, curves to the north-northeast, and enters the national forest proper. It curves to the north-northwest and crosses over the Kentucky River on the Heidelberg Bridge. It crosses over some railroad tracks of CSX and curves to the west-northwest before entering Heidelberg. There, it curves to the north and leaves the community. The highway heads to the north-northeast and curves to the north-northwest. It heads in an easterly direction and meets its northern terminus, an intersection with KY 52.^[2]

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