SR 100 continues north as Pulaski–Giles Turnpike, which crosses Walker Creek at its confluence with Little Walker Creek and intersects SR 42 (Blue Grass Trail) at Poplar Hill.
SR 100 travels northward as the Pulaski–Giles Turnpike, crossing Walker Creek where it joins Little Walker Creek, and intersecting SR 42 (Blue Grass Trail) at Poplar Hill.