Known for most of its length as Exeter Road, the state highway runs  from the Lee–Wise county line near Keokee, where the highway continues west as SR 606, east to U.S. Route 23 Business (US 23 Business) in Appalachia.
Known as Exeter Road for most of its length, the state highway travels from the Lee–Wise county line near Keokee, where it continues west as SR 606, and east to U.S. Route 23 Business (US 23 Business) in Appalachia.