Business U.S. Highway 21
, also known locally as "Business 21" is
the major arterial through downtown Beaufort. Starting at the US 21
split, the route travels eastward along Boundary Street to the Bellamy
Curve at the edge of the peninsula, then turns sharply towards the south
along Carteret Street until reaching the Woods Memorial Bridge
(drawbridge) over the Beaufort River. The route continues onto Ladys
Island
before rejoining US 21.