I-71 near Buckner Kentucky Route 393 (KY 393) is a 5.325-mile-long (8.570 km) state highway in Oldham County, Kentucky, that runs from Kentucky Route 1818 southeast of Centerfield to U.S. Route 42 north of Buckner.

It then splits south to continue for 2.5 miles (4.0 km) where it junctions KY 22 near Centerfield.

It follows KY 22 east for 1-mile (1.6 km) until it splits to the south.

It continues 1.5 miles (2.4 km) south and then terminates at Mount Zion Road.

There are no low clearances or weight limits on this particular state route.