The state highway crosses over CSX's Alleghany Subdivision. SR 18 parallels the railroad tracks north under Interstate 64 to its northern terminus at Madison Street, which carries US 60 and US 220, south of downtown Covington.
The state highway traverses over CSX's Alleghany Subdivision. SR 18 follows the railroad tracks north under Interstate 64 to its northern terminus at Madison Street, which serves US 60 and US 220, south of downtown Covington.